diff options
| author |   Christian Heim <phreak@gentoo.org> | 2007-03-07 09:41:31 +0000 |
|---|---|---|
| committer | Christian Heim <phreak@gentoo.org> | 2007-03-07 09:41:31 +0000 |
| commit | aa6ffa8feb268317070b2a7b05db97d6a8bef4b9 (patch) | |
| tree | 87ffe83305203c213062faa8bd7386ef462d1471 /vserver-sources/2.0.3_rc1 | |
| parent | Patchset for 2.3.0.11. (diff) | |
| download | misc-aa6ffa8feb268317070b2a7b05db97d6a8bef4b9.tar.gz misc-aa6ffa8feb268317070b2a7b05db97d6a8bef4b9.tar.bz2 misc-aa6ffa8feb268317070b2a7b05db97d6a8bef4b9.zip | |
Moving old patchsets ..
svn path=/; revision=542
Diffstat (limited to 'vserver-sources/2.0.3_rc1')
| -rw-r--r-- | vserver-sources/2.0.3_rc1/4410_vs2.0.3-rc1.patch | 22251 | ||||
| -rw-r--r-- | vserver-sources/2.0.3_rc1/4411_vs2.0.2-vesafb-cvirt-fix.patch | 12 |
2 files changed, 0 insertions, 22263 deletions
diff --git a/vserver-sources/2.0.3_rc1/4410_vs2.0.3-rc1.patch b/vserver-sources/2.0.3_rc1/4410_vs2.0.3-rc1.patch deleted file mode 100644 index 48b210a..0000000 --- a/vserver-sources/2.0.3_rc1/4410_vs2.0.3-rc1.patch +++ /dev/null @@ -1,22251 +0,0 @@ -Index: linux-2.6.18/Makefile -=================================================================== ---- linux-2.6.18.orig/Makefile -+++ linux-2.6.18/Makefile -@@ -1,7 +1,7 @@ - VERSION = 2 - PATCHLEVEL = 6 - SUBLEVEL = 18 --EXTRAVERSION = -+EXTRAVERSION = -vs2.0.3-rc1-gentoo - NAME=Avast! A bilge rat! - - # *DOCUMENTATION* -Index: linux-2.6.18/arch/alpha/Kconfig -=================================================================== ---- linux-2.6.18.orig/arch/alpha/Kconfig -+++ linux-2.6.18/arch/alpha/Kconfig -@@ -658,6 +658,8 @@ source "arch/alpha/oprofile/Kconfig" - - source "arch/alpha/Kconfig.debug" - -+source "kernel/vserver/Kconfig" -+ - source "security/Kconfig" - - source "crypto/Kconfig" -Index: linux-2.6.18/arch/alpha/kernel/entry.S -=================================================================== ---- linux-2.6.18.orig/arch/alpha/kernel/entry.S -+++ linux-2.6.18/arch/alpha/kernel/entry.S -@@ -873,24 +873,15 @@ sys_getxgid: - .globl sys_getxpid - .ent sys_getxpid - sys_getxpid: -+ lda $sp, -16($sp) -+ stq $26, 0($sp) - .prologue 0 -- ldq $2, TI_TASK($8) - -- /* See linux/kernel/timer.c sys_getppid for discussion -- about this loop. */ -- ldq $3, TASK_GROUP_LEADER($2) -- ldq $4, TASK_REAL_PARENT($3) -- ldl $0, TASK_TGID($2) --1: ldl $1, TASK_TGID($4) --#ifdef CONFIG_SMP -- mov $4, $5 -- mb -- ldq $3, TASK_GROUP_LEADER($2) -- ldq $4, TASK_REAL_PARENT($3) -- cmpeq $4, $5, $5 -- beq $5, 1b --#endif -- stq $1, 80($sp) -+ lda $16, 96($sp) -+ jsr $26, do_getxpid -+ ldq $26, 0($sp) -+ -+ lda $sp, 16($sp) - ret - .end sys_getxpid - -Index: linux-2.6.18/arch/alpha/kernel/osf_sys.c -=================================================================== ---- linux-2.6.18.orig/arch/alpha/kernel/osf_sys.c -+++ linux-2.6.18/arch/alpha/kernel/osf_sys.c -@@ -38,6 +38,7 @@ - #include <linux/uio.h> - #include <linux/vfs.h> - #include <linux/rcupdate.h> -+#include <linux/vs_cvirt.h> - - #include <asm/fpu.h> - #include <asm/io.h> -@@ -399,18 +400,20 @@ asmlinkage int - osf_utsname(char __user *name) - { - int error; -+ struct new_utsname *ptr; - - down_read(&uts_sem); -+ ptr = vx_new_utsname(); - error = -EFAULT; -- if (copy_to_user(name + 0, system_utsname.sysname, 32)) -+ if (copy_to_user(name + 0, ptr->sysname, 32)) - goto out; -- if (copy_to_user(name + 32, system_utsname.nodename, 32)) -+ if (copy_to_user(name + 32, ptr->nodename, 32)) - goto out; -- if (copy_to_user(name + 64, system_utsname.release, 32)) -+ if (copy_to_user(name + 64, ptr->release, 32)) - goto out; -- if (copy_to_user(name + 96, system_utsname.version, 32)) -+ if (copy_to_user(name + 96, ptr->version, 32)) - goto out; -- if (copy_to_user(name + 128, system_utsname.machine, 32)) -+ if (copy_to_user(name + 128, ptr->machine, 32)) - goto out; - - error = 0; -@@ -439,6 +442,7 @@ osf_getdomainname(char __user *name, int - { - unsigned len; - int i; -+ char *domainname; - - if (!access_ok(VERIFY_WRITE, name, namelen)) - return -EFAULT; -@@ -448,9 +452,10 @@ osf_getdomainname(char __user *name, int - len = 32; - - down_read(&uts_sem); -+ domainname = vx_new_uts(domainname); - for (i = 0; i < len; ++i) { -- __put_user(system_utsname.domainname[i], name + i); -- if (system_utsname.domainname[i] == '\0') -+ __put_user(domainname[i], name + i); -+ if (domainname[i] == '\0') - break; - } - up_read(&uts_sem); -@@ -607,30 +612,30 @@ osf_sigstack(struct sigstack __user *uss - asmlinkage long - osf_sysinfo(int command, char __user *buf, long count) - { -- static char * sysinfo_table[] = { -- system_utsname.sysname, -- system_utsname.nodename, -- system_utsname.release, -- system_utsname.version, -- system_utsname.machine, -- "alpha", /* instruction set architecture */ -- "dummy", /* hardware serial number */ -- "dummy", /* hardware manufacturer */ -- "dummy", /* secure RPC domain */ -- }; - unsigned long offset; - char *res; - long len, err = -EINVAL; - - offset = command-1; -- if (offset >= ARRAY_SIZE(sysinfo_table)) { -+ if (offset >= 9) { - /* Digital UNIX has a few unpublished interfaces here */ - printk("sysinfo(%d)", command); - goto out; - } - - down_read(&uts_sem); -- res = sysinfo_table[offset]; -+ switch (offset) -+ { -+ case 0: res = vx_new_uts(sysname); break; -+ case 1: res = vx_new_uts(nodename); break; -+ case 2: res = vx_new_uts(release); break; -+ case 3: res = vx_new_uts(version); break; -+ case 4: res = vx_new_uts(machine); break; -+ case 5: res = "alpha"; break; -+ default: -+ res = "dummy"; -+ break; -+ } - len = strlen(res)+1; - if (len > count) - len = count; -Index: linux-2.6.18/arch/alpha/kernel/ptrace.c -=================================================================== ---- linux-2.6.18.orig/arch/alpha/kernel/ptrace.c -+++ linux-2.6.18/arch/alpha/kernel/ptrace.c -@@ -283,6 +283,11 @@ do_sys_ptrace(long request, long pid, lo - goto out_notsk; - } - -+ if (!vx_check(vx_task_xid(child), VX_WATCH|VX_IDENT)) { -+ ret = -EPERM; -+ goto out; -+ } -+ - if (request == PTRACE_ATTACH) { - ret = ptrace_attach(child); - goto out; -Index: linux-2.6.18/arch/alpha/kernel/systbls.S -=================================================================== ---- linux-2.6.18.orig/arch/alpha/kernel/systbls.S -+++ linux-2.6.18/arch/alpha/kernel/systbls.S -@@ -447,7 +447,7 @@ sys_call_table: - .quad sys_stat64 /* 425 */ - .quad sys_lstat64 - .quad sys_fstat64 -- .quad sys_ni_syscall /* sys_vserver */ -+ .quad sys_vserver /* sys_vserver */ - .quad sys_ni_syscall /* sys_mbind */ - .quad sys_ni_syscall /* sys_get_mempolicy */ - .quad sys_ni_syscall /* sys_set_mempolicy */ -Index: linux-2.6.18/arch/alpha/mm/init.c -=================================================================== ---- linux-2.6.18.orig/arch/alpha/mm/init.c -+++ linux-2.6.18/arch/alpha/mm/init.c -@@ -20,6 +20,7 @@ - #include <linux/init.h> - #include <linux/bootmem.h> /* max_low_pfn */ - #include <linux/vmalloc.h> -+#include <linux/pagemap.h> - - #include <asm/system.h> - #include <asm/uaccess.h> -Index: linux-2.6.18/arch/arm/Kconfig -=================================================================== ---- linux-2.6.18.orig/arch/arm/Kconfig -+++ linux-2.6.18/arch/arm/Kconfig -@@ -908,6 +908,8 @@ source "arch/arm/oprofile/Kconfig" - - source "arch/arm/Kconfig.debug" - -+source "kernel/vserver/Kconfig" -+ - source "security/Kconfig" - - source "crypto/Kconfig" -Index: linux-2.6.18/arch/arm/kernel/calls.S -=================================================================== ---- linux-2.6.18.orig/arch/arm/kernel/calls.S -+++ linux-2.6.18/arch/arm/kernel/calls.S -@@ -322,7 +322,7 @@ - /* 310 */ CALL(sys_request_key) - CALL(sys_keyctl) - CALL(ABI(sys_semtimedop, sys_oabi_semtimedop)) --/* vserver */ CALL(sys_ni_syscall) -+ CALL(sys_vserver) - CALL(sys_ioprio_set) - /* 315 */ CALL(sys_ioprio_get) - CALL(sys_inotify_init) -Index: linux-2.6.18/arch/arm26/Kconfig -=================================================================== ---- linux-2.6.18.orig/arch/arm26/Kconfig -+++ linux-2.6.18/arch/arm26/Kconfig -@@ -234,6 +234,8 @@ source "drivers/usb/Kconfig" - - source "arch/arm26/Kconfig.debug" - -+source "kernel/vserver/Kconfig" -+ - source "security/Kconfig" - - source "crypto/Kconfig" -Index: linux-2.6.18/arch/arm26/kernel/calls.S -=================================================================== ---- linux-2.6.18.orig/arch/arm26/kernel/calls.S -+++ linux-2.6.18/arch/arm26/kernel/calls.S -@@ -257,6 +257,11 @@ __syscall_start: - .long sys_lremovexattr - .long sys_fremovexattr - .long sys_tkill -+ -+ .rept 313 - (. - __syscall_start) / 4 -+ .long sys_ni_syscall -+ .endr -+ .long sys_vserver /* 313 */ - __syscall_end: - - .rept NR_syscalls - (__syscall_end - __syscall_start) / 4 -Index: linux-2.6.18/arch/arm26/kernel/traps.c -=================================================================== ---- linux-2.6.18.orig/arch/arm26/kernel/traps.c -+++ linux-2.6.18/arch/arm26/kernel/traps.c -@@ -185,8 +185,9 @@ NORET_TYPE void die(const char *str, str - printk("Internal error: %s: %x\n", str, err); - printk("CPU: %d\n", smp_processor_id()); - show_regs(regs); -- printk("Process %s (pid: %d, stack limit = 0x%p)\n", -- current->comm, current->pid, end_of_stack(tsk)); -+ printk("Process %s (pid: %d[#%u], stack limit = 0x%p)\n", -+ current->comm, current->pid, -+ current->xid, end_of_stack(tsk)); - - if (!user_mode(regs) || in_interrupt()) { - __dump_stack(tsk, (unsigned long)(regs + 1)); -Index: linux-2.6.18/arch/cris/Kconfig -=================================================================== ---- linux-2.6.18.orig/arch/cris/Kconfig -+++ linux-2.6.18/arch/cris/Kconfig -@@ -185,6 +185,8 @@ source "drivers/usb/Kconfig" - - source "arch/cris/Kconfig.debug" - -+source "kernel/vserver/Kconfig" -+ - source "security/Kconfig" - - source "crypto/Kconfig" -Index: linux-2.6.18/arch/h8300/Kconfig -=================================================================== ---- linux-2.6.18.orig/arch/h8300/Kconfig -+++ linux-2.6.18/arch/h8300/Kconfig -@@ -199,6 +199,8 @@ source "fs/Kconfig" - - source "arch/h8300/Kconfig.debug" - -+source "kernel/vserver/Kconfig" -+ - source "security/Kconfig" - - source "crypto/Kconfig" -Index: linux-2.6.18/arch/i386/Kconfig -=================================================================== ---- linux-2.6.18.orig/arch/i386/Kconfig -+++ linux-2.6.18/arch/i386/Kconfig -@@ -1142,6 +1142,8 @@ endmenu - - source "arch/i386/Kconfig.debug" - -+source "kernel/vserver/Kconfig" -+ - source "security/Kconfig" - - source "crypto/Kconfig" -Index: linux-2.6.18/arch/i386/kernel/sys_i386.c -=================================================================== ---- linux-2.6.18.orig/arch/i386/kernel/sys_i386.c -+++ linux-2.6.18/arch/i386/kernel/sys_i386.c -@@ -19,6 +19,7 @@ - #include <linux/mman.h> - #include <linux/file.h> - #include <linux/utsname.h> -+#include <linux/vs_cvirt.h> - - #include <asm/uaccess.h> - #include <asm/ipc.h> -@@ -210,7 +211,7 @@ asmlinkage int sys_uname(struct old_utsn - if (!name) - return -EFAULT; - down_read(&uts_sem); -- err=copy_to_user(name, &system_utsname, sizeof (*name)); -+ err=copy_to_user(name, vx_new_utsname(), sizeof (*name)); - up_read(&uts_sem); - return err?-EFAULT:0; - } -@@ -218,6 +219,7 @@ asmlinkage int sys_uname(struct old_utsn - asmlinkage int sys_olduname(struct oldold_utsname __user * name) - { - int error; -+ struct new_utsname *ptr; - - if (!name) - return -EFAULT; -@@ -226,15 +228,16 @@ asmlinkage int sys_olduname(struct oldol - - down_read(&uts_sem); - -- error = __copy_to_user(&name->sysname,&system_utsname.sysname,__OLD_UTS_LEN); -+ ptr = vx_new_utsname(); -+ error = __copy_to_user(&name->sysname,ptr->sysname,__OLD_UTS_LEN); - error |= __put_user(0,name->sysname+__OLD_UTS_LEN); -- error |= __copy_to_user(&name->nodename,&system_utsname.nodename,__OLD_UTS_LEN); -+ error |= __copy_to_user(&name->nodename,ptr->nodename,__OLD_UTS_LEN); - error |= __put_user(0,name->nodename+__OLD_UTS_LEN); -- error |= __copy_to_user(&name->release,&system_utsname.release,__OLD_UTS_LEN); -+ error |= __copy_to_user(&name->release,ptr->release,__OLD_UTS_LEN); - error |= __put_user(0,name->release+__OLD_UTS_LEN); -- error |= __copy_to_user(&name->version,&system_utsname.version,__OLD_UTS_LEN); -+ error |= __copy_to_user(&name->version,ptr->version,__OLD_UTS_LEN); - error |= __put_user(0,name->version+__OLD_UTS_LEN); -- error |= __copy_to_user(&name->machine,&system_utsname.machine,__OLD_UTS_LEN); -+ error |= __copy_to_user(&name->machine,ptr->machine,__OLD_UTS_LEN); - error |= __put_user(0,name->machine+__OLD_UTS_LEN); - - up_read(&uts_sem); -Index: linux-2.6.18/arch/i386/kernel/syscall_table.S -=================================================================== ---- linux-2.6.18.orig/arch/i386/kernel/syscall_table.S -+++ linux-2.6.18/arch/i386/kernel/syscall_table.S -@@ -272,7 +272,7 @@ ENTRY(sys_call_table) - .long sys_tgkill /* 270 */ - .long sys_utimes - .long sys_fadvise64_64 -- .long sys_ni_syscall /* sys_vserver */ -+ .long sys_vserver - .long sys_mbind - .long sys_get_mempolicy - .long sys_set_mempolicy -Index: linux-2.6.18/arch/i386/kernel/sysenter.c -=================================================================== ---- linux-2.6.18.orig/arch/i386/kernel/sysenter.c -+++ linux-2.6.18/arch/i386/kernel/sysenter.c -@@ -17,6 +17,7 @@ - #include <linux/elf.h> - #include <linux/mm.h> - #include <linux/module.h> -+#include <linux/vs_memory.h> - - #include <asm/cpufeature.h> - #include <asm/msr.h> -@@ -156,7 +157,7 @@ int arch_setup_additional_pages(struct l - current->mm->context.vdso = (void *)addr; - current_thread_info()->sysenter_return = - (void *)VDSO_SYM(&SYSENTER_RETURN); -- mm->total_vm++; -+ vx_vmpages_inc(mm); - up_fail: - up_write(&mm->mmap_sem); - return ret; -Index: linux-2.6.18/arch/i386/kernel/traps.c -=================================================================== ---- linux-2.6.18.orig/arch/i386/kernel/traps.c -+++ linux-2.6.18/arch/i386/kernel/traps.c -@@ -53,6 +53,7 @@ - #include <asm/kdebug.h> - - #include <linux/module.h> -+#include <linux/vserver/debug.h> - - #include "mach_traps.h" - -@@ -304,8 +305,8 @@ void show_registers(struct pt_regs *regs - regs->esi, regs->edi, regs->ebp, esp); - printk(KERN_EMERG "ds: %04x es: %04x ss: %04x\n", - regs->xds & 0xffff, regs->xes & 0xffff, ss); -- printk(KERN_EMERG "Process %.*s (pid: %d, ti=%p task=%p task.ti=%p)", -- TASK_COMM_LEN, current->comm, current->pid, -+ printk(KERN_EMERG "Process %.*s (pid: %d[#%u], ti=%p task=%p task.ti=%p)", -+ TASK_COMM_LEN, current->comm, current->pid, current->xid, - current_thread_info(), current, current->thread_info); - /* - * When in-kernel, we also print out the stack and code at the -@@ -388,6 +389,8 @@ void die(const char * str, struct pt_reg - - oops_enter(); - -+ vxh_throw_oops(); -+ - if (die.lock_owner != raw_smp_processor_id()) { - console_verbose(); - spin_lock_irqsave(&die.lock, flags); -@@ -424,9 +427,9 @@ void die(const char * str, struct pt_reg - if (nl) - printk("\n"); - if (notify_die(DIE_OOPS, str, regs, err, -- current->thread.trap_no, SIGSEGV) != -- NOTIFY_STOP) { -+ current->thread.trap_no, SIGSEGV) != NOTIFY_STOP) { - show_registers(regs); -+ vxh_dump_history(); - /* Executive summary in case the oops scrolled away */ - esp = (unsigned long) (®s->esp); - savesegment(ss, ss); -Index: linux-2.6.18/arch/ia64/Kconfig -=================================================================== ---- linux-2.6.18.orig/arch/ia64/Kconfig -+++ linux-2.6.18/arch/ia64/Kconfig -@@ -525,6 +525,8 @@ endmenu - - source "arch/ia64/Kconfig.debug" - -+source "kernel/vserver/Kconfig" -+ - source "security/Kconfig" - - source "crypto/Kconfig" -Index: linux-2.6.18/arch/ia64/ia32/binfmt_elf32.c -=================================================================== ---- linux-2.6.18.orig/arch/ia64/ia32/binfmt_elf32.c -+++ linux-2.6.18/arch/ia64/ia32/binfmt_elf32.c -@@ -238,7 +238,8 @@ ia32_setup_arg_pages (struct linux_binpr - kmem_cache_free(vm_area_cachep, mpnt); - return ret; - } -- current->mm->stack_vm = current->mm->total_vm = vma_pages(mpnt); -+ vx_vmpages_sub(current->mm, current->mm->total_vm - vma_pages(mpnt)); -+ current->mm->stack_vm = current->mm->total_vm; - } - - for (i = 0 ; i < MAX_ARG_PAGES ; i++) { -Index: linux-2.6.18/arch/ia64/ia32/ia32_entry.S -=================================================================== ---- linux-2.6.18.orig/arch/ia64/ia32/ia32_entry.S -+++ linux-2.6.18/arch/ia64/ia32/ia32_entry.S -@@ -483,7 +483,7 @@ ia32_syscall_table: - data8 sys_tgkill /* 270 */ - data8 compat_sys_utimes - data8 sys32_fadvise64_64 -- data8 sys_ni_syscall -+ data8 sys32_vserver - data8 sys_ni_syscall - data8 sys_ni_syscall /* 275 */ - data8 sys_ni_syscall -Index: linux-2.6.18/arch/ia64/kernel/entry.S -=================================================================== ---- linux-2.6.18.orig/arch/ia64/kernel/entry.S -+++ linux-2.6.18/arch/ia64/kernel/entry.S -@@ -1576,7 +1576,7 @@ sys_call_table: - data8 sys_mq_notify - data8 sys_mq_getsetattr - data8 sys_ni_syscall // reserved for kexec_load -- data8 sys_ni_syscall // reserved for vserver -+ data8 sys_vserver - data8 sys_waitid // 1270 - data8 sys_add_key - data8 sys_request_key -Index: linux-2.6.18/arch/ia64/kernel/perfmon.c -=================================================================== ---- linux-2.6.18.orig/arch/ia64/kernel/perfmon.c -+++ linux-2.6.18/arch/ia64/kernel/perfmon.c -@@ -40,6 +40,7 @@ - #include <linux/capability.h> - #include <linux/rcupdate.h> - #include <linux/completion.h> -+#include <linux/vs_memory.h> - - #include <asm/errno.h> - #include <asm/intrinsics.h> -@@ -2354,7 +2355,7 @@ pfm_smpl_buffer_alloc(struct task_struct - */ - insert_vm_struct(mm, vma); - -- mm->total_vm += size >> PAGE_SHIFT; -+ vx_vmpages_add(mm, size >> PAGE_SHIFT); - vm_stat_account(vma->vm_mm, vma->vm_flags, vma->vm_file, - vma_pages(vma)); - up_write(&task->mm->mmap_sem); -Index: linux-2.6.18/arch/ia64/kernel/ptrace.c -=================================================================== ---- linux-2.6.18.orig/arch/ia64/kernel/ptrace.c -+++ linux-2.6.18/arch/ia64/kernel/ptrace.c -@@ -1442,6 +1442,9 @@ sys_ptrace (long request, pid_t pid, uns - read_unlock(&tasklist_lock); - if (!child) - goto out; -+ if (!vx_check(vx_task_xid(child), VX_WATCH|VX_IDENT)) -+ goto out_tsk; -+ - ret = -EPERM; - if (pid == 1) /* no messing around with init! */ - goto out_tsk; -Index: linux-2.6.18/arch/ia64/mm/fault.c -=================================================================== ---- linux-2.6.18.orig/arch/ia64/mm/fault.c -+++ linux-2.6.18/arch/ia64/mm/fault.c -@@ -10,6 +10,7 @@ - #include <linux/smp_lock.h> - #include <linux/interrupt.h> - #include <linux/kprobes.h> -+#include <linux/vs_memory.h> - - #include <asm/pgtable.h> - #include <asm/processor.h> -Index: linux-2.6.18/arch/ia64/sn/kernel/xpc_main.c -=================================================================== ---- linux-2.6.18.orig/arch/ia64/sn/kernel/xpc_main.c -+++ linux-2.6.18/arch/ia64/sn/kernel/xpc_main.c -@@ -108,6 +108,7 @@ static ctl_table xpc_sys_xpc_hb_dir[] = - 0644, - NULL, - &proc_dointvec_minmax, -+ NULL, - &sysctl_intvec, - NULL, - &xpc_hb_min_interval, -@@ -121,6 +122,7 @@ static ctl_table xpc_sys_xpc_hb_dir[] = - 0644, - NULL, - &proc_dointvec_minmax, -+ NULL, - &sysctl_intvec, - NULL, - &xpc_hb_check_min_interval, -@@ -145,6 +147,7 @@ static ctl_table xpc_sys_xpc_dir[] = { - 0644, - NULL, - &proc_dointvec_minmax, -+ NULL, - &sysctl_intvec, - NULL, - &xpc_disengage_request_min_timelimit, -Index: linux-2.6.18/arch/m32r/kernel/sys_m32r.c -=================================================================== ---- linux-2.6.18.orig/arch/m32r/kernel/sys_m32r.c -+++ linux-2.6.18/arch/m32r/kernel/sys_m32r.c -@@ -20,6 +20,7 @@ - #include <linux/mman.h> - #include <linux/file.h> - #include <linux/utsname.h> -+#include <linux/vs_cvirt.h> - - #include <asm/uaccess.h> - #include <asm/cachectl.h> -@@ -205,7 +206,7 @@ asmlinkage int sys_uname(struct old_utsn - if (!name) - return -EFAULT; - down_read(&uts_sem); -- err=copy_to_user(name, &system_utsname, sizeof (*name)); -+ err=copy_to_user(name, vx_new_utsname(), sizeof (*name)); - up_read(&uts_sem); - return err?-EFAULT:0; - } -Index: linux-2.6.18/arch/m68k/Kconfig -=================================================================== ---- linux-2.6.18.orig/arch/m68k/Kconfig -+++ linux-2.6.18/arch/m68k/Kconfig -@@ -654,6 +654,8 @@ source "fs/Kconfig" - - source "arch/m68k/Kconfig.debug" - -+source "kernel/vserver/Kconfig" -+ - source "security/Kconfig" - - source "crypto/Kconfig" -Index: linux-2.6.18/arch/m68k/kernel/ptrace.c -=================================================================== ---- linux-2.6.18.orig/arch/m68k/kernel/ptrace.c -+++ linux-2.6.18/arch/m68k/kernel/ptrace.c -@@ -279,6 +279,8 @@ long arch_ptrace(struct task_struct *chi - ret = ptrace_request(child, request, addr, data); - break; - } -+ if (!vx_check(vx_task_xid(child), VX_WATCH|VX_IDENT)) -+ goto out_tsk; - - return ret; - out_eio: -Index: linux-2.6.18/arch/m68knommu/Kconfig -=================================================================== ---- linux-2.6.18.orig/arch/m68knommu/Kconfig -+++ linux-2.6.18/arch/m68knommu/Kconfig -@@ -663,6 +663,8 @@ source "fs/Kconfig" - - source "arch/m68knommu/Kconfig.debug" - -+source "kernel/vserver/Kconfig" -+ - source "security/Kconfig" - - source "crypto/Kconfig" -Index: linux-2.6.18/arch/mips/Kconfig -=================================================================== ---- linux-2.6.18.orig/arch/mips/Kconfig -+++ linux-2.6.18/arch/mips/Kconfig -@@ -2057,6 +2057,8 @@ source "arch/mips/oprofile/Kconfig" - - source "arch/mips/Kconfig.debug" - -+source "kernel/vserver/Kconfig" -+ - source "security/Kconfig" - - source "crypto/Kconfig" -Index: linux-2.6.18/arch/mips/kernel/linux32.c -=================================================================== ---- linux-2.6.18.orig/arch/mips/kernel/linux32.c -+++ linux-2.6.18/arch/mips/kernel/linux32.c -@@ -35,6 +35,7 @@ - #include <linux/security.h> - #include <linux/compat.h> - #include <linux/vfs.h> -+#include <linux/vs_cvirt.h> - - #include <net/sock.h> - #include <net/scm.h> -@@ -1039,7 +1040,7 @@ asmlinkage long sys32_newuname(struct ne - int ret = 0; - - down_read(&uts_sem); -- if (copy_to_user(name,&system_utsname,sizeof *name)) -+ if (copy_to_user(name, vx_new_utsname(), sizeof *name)) - ret = -EFAULT; - up_read(&uts_sem); - -Index: linux-2.6.18/arch/mips/kernel/ptrace.c -=================================================================== ---- linux-2.6.18.orig/arch/mips/kernel/ptrace.c -+++ linux-2.6.18/arch/mips/kernel/ptrace.c -@@ -171,6 +171,9 @@ long arch_ptrace(struct task_struct *chi - { - int ret; - -+ if (!vx_check(vx_task_xid(child), VX_WATCH|VX_IDENT)) -+ goto out; -+ - switch (request) { - /* when I and D space are separate, these will need to be fixed. */ - case PTRACE_PEEKTEXT: /* read word at location addr. */ -Index: linux-2.6.18/arch/mips/kernel/scall32-o32.S -=================================================================== ---- linux-2.6.18.orig/arch/mips/kernel/scall32-o32.S -+++ linux-2.6.18/arch/mips/kernel/scall32-o32.S -@@ -630,7 +630,7 @@ einval: li v0, -EINVAL - sys sys_mq_timedreceive 5 - sys sys_mq_notify 2 /* 4275 */ - sys sys_mq_getsetattr 3 -- sys sys_ni_syscall 0 /* sys_vserver */ -+ sys sys_vserver 3 - sys sys_waitid 5 - sys sys_ni_syscall 0 /* available, was setaltroot */ - sys sys_add_key 5 /* 4280 */ -Index: linux-2.6.18/arch/mips/kernel/scall64-64.S -=================================================================== ---- linux-2.6.18.orig/arch/mips/kernel/scall64-64.S -+++ linux-2.6.18/arch/mips/kernel/scall64-64.S -@@ -434,7 +434,7 @@ sys_call_table: - PTR sys_mq_timedreceive - PTR sys_mq_notify - PTR sys_mq_getsetattr /* 5235 */ -- PTR sys_ni_syscall /* sys_vserver */ -+ PTR sys_vserver - PTR sys_waitid - PTR sys_ni_syscall /* available, was setaltroot */ - PTR sys_add_key -Index: linux-2.6.18/arch/mips/kernel/scall64-n32.S -=================================================================== ---- linux-2.6.18.orig/arch/mips/kernel/scall64-n32.S -+++ linux-2.6.18/arch/mips/kernel/scall64-n32.S -@@ -360,7 +360,7 @@ EXPORT(sysn32_call_table) - PTR compat_sys_mq_timedreceive - PTR compat_sys_mq_notify - PTR compat_sys_mq_getsetattr -- PTR sys_ni_syscall /* 6240, sys_vserver */ -+ PTR sys32_vserver /* 6240 */ - PTR sysn32_waitid - PTR sys_ni_syscall /* available, was setaltroot */ - PTR sys_add_key -Index: linux-2.6.18/arch/mips/kernel/scall64-o32.S -=================================================================== ---- linux-2.6.18.orig/arch/mips/kernel/scall64-o32.S -+++ linux-2.6.18/arch/mips/kernel/scall64-o32.S -@@ -482,7 +482,7 @@ sys_call_table: - PTR compat_sys_mq_timedreceive - PTR compat_sys_mq_notify /* 4275 */ - PTR compat_sys_mq_getsetattr -- PTR sys_ni_syscall /* sys_vserver */ -+ PTR sys32_vserver - PTR sys32_waitid - PTR sys_ni_syscall /* available, was setaltroot */ - PTR sys_add_key /* 4280 */ -Index: linux-2.6.18/arch/mips/kernel/syscall.c -=================================================================== ---- linux-2.6.18.orig/arch/mips/kernel/syscall.c -+++ linux-2.6.18/arch/mips/kernel/syscall.c -@@ -28,6 +28,7 @@ - #include <linux/shm.h> - #include <linux/compiler.h> - #include <linux/module.h> -+#include <linux/vs_cvirt.h> - - #include <asm/branch.h> - #include <asm/cachectl.h> -@@ -231,7 +232,7 @@ out: - */ - asmlinkage int sys_uname(struct old_utsname __user * name) - { -- if (name && !copy_to_user(name, &system_utsname, sizeof (*name))) -+ if (name && !copy_to_user(name, vx_new_utsname(), sizeof (*name))) - return 0; - return -EFAULT; - } -@@ -242,21 +243,23 @@ asmlinkage int sys_uname(struct old_utsn - asmlinkage int sys_olduname(struct oldold_utsname __user * name) - { - int error; -+ struct new_utsname *ptr; - - if (!name) - return -EFAULT; - if (!access_ok(VERIFY_WRITE,name,sizeof(struct oldold_utsname))) - return -EFAULT; - -- error = __copy_to_user(&name->sysname,&system_utsname.sysname,__OLD_UTS_LEN); -+ ptr = vx_new_utsname(); -+ error = __copy_to_user(&name->sysname,ptr->sysname,__OLD_UTS_LEN); - error -= __put_user(0,name->sysname+__OLD_UTS_LEN); -- error -= __copy_to_user(&name->nodename,&system_utsname.nodename,__OLD_UTS_LEN); -+ error -= __copy_to_user(&name->nodename,ptr->nodename,__OLD_UTS_LEN); - error -= __put_user(0,name->nodename+__OLD_UTS_LEN); -- error -= __copy_to_user(&name->release,&system_utsname.release,__OLD_UTS_LEN); -+ error -= __copy_to_user(&name->release,ptr->release,__OLD_UTS_LEN); - error -= __put_user(0,name->release+__OLD_UTS_LEN); -- error -= __copy_to_user(&name->version,&system_utsname.version,__OLD_UTS_LEN); -+ error -= __copy_to_user(&name->version,ptr->version,__OLD_UTS_LEN); - error -= __put_user(0,name->version+__OLD_UTS_LEN); -- error -= __copy_to_user(&name->machine,&system_utsname.machine,__OLD_UTS_LEN); -+ error -= __copy_to_user(&name->machine,ptr->machine,__OLD_UTS_LEN); - error = __put_user(0,name->machine+__OLD_UTS_LEN); - error = error ? -EFAULT : 0; - -Index: linux-2.6.18/arch/mips/kernel/sysirix.c -=================================================================== ---- linux-2.6.18.orig/arch/mips/kernel/sysirix.c -+++ linux-2.6.18/arch/mips/kernel/sysirix.c -@@ -32,6 +32,7 @@ - #include <linux/security.h> - #include <linux/syscalls.h> - #include <linux/resource.h> -+#include <linux/vs_cvirt.h> - - #include <asm/ptrace.h> - #include <asm/page.h> -@@ -884,7 +885,7 @@ asmlinkage int irix_getdomainname(char _ - down_read(&uts_sem); - if (len > __NEW_UTS_LEN) - len = __NEW_UTS_LEN; -- err = copy_to_user(name, system_utsname.domainname, len) ? -EFAULT : 0; -+ err = copy_to_user(name, vx_new_uts(domainname), len) ? -EFAULT : 0; - up_read(&uts_sem); - - return err; -@@ -1127,11 +1128,11 @@ struct iuname { - asmlinkage int irix_uname(struct iuname __user *buf) - { - down_read(&uts_sem); -- if (copy_from_user(system_utsname.sysname, buf->sysname, 65) -- || copy_from_user(system_utsname.nodename, buf->nodename, 65) -- || copy_from_user(system_utsname.release, buf->release, 65) -- || copy_from_user(system_utsname.version, buf->version, 65) -- || copy_from_user(system_utsname.machine, buf->machine, 65)) { -+ if (copy_from_user(vx_new_uts(sysname), buf->sysname, 65) -+ || copy_from_user(vx_new_uts(nodename), buf->nodename, 65) -+ || copy_from_user(vx_new_uts(release), buf->release, 65) -+ || copy_from_user(vx_new_uts(version), buf->version, 65) -+ || copy_from_user(vx_new_uts(machine), buf->machine, 65)) { - return -EFAULT; - } - up_read(&uts_sem); -Index: linux-2.6.18/arch/parisc/Kconfig -=================================================================== ---- linux-2.6.18.orig/arch/parisc/Kconfig -+++ linux-2.6.18/arch/parisc/Kconfig -@@ -257,6 +257,8 @@ source "arch/parisc/oprofile/Kconfig" - - source "arch/parisc/Kconfig.debug" - -+source "kernel/vserver/Kconfig" -+ - source "security/Kconfig" - - source "crypto/Kconfig" -Index: linux-2.6.18/arch/parisc/hpux/sys_hpux.c -=================================================================== ---- linux-2.6.18.orig/arch/parisc/hpux/sys_hpux.c -+++ linux-2.6.18/arch/parisc/hpux/sys_hpux.c -@@ -33,6 +33,7 @@ - #include <linux/utsname.h> - #include <linux/vfs.h> - #include <linux/vmalloc.h> -+#include <linux/vs_cvirt.h> - - #include <asm/errno.h> - #include <asm/pgalloc.h> -@@ -266,15 +267,15 @@ static int hpux_uname(struct hpux_utsnam - - down_read(&uts_sem); - -- error = __copy_to_user(&name->sysname,&system_utsname.sysname,HPUX_UTSLEN-1); -+ error = __copy_to_user(&name->sysname,vx_new_uts(sysname),HPUX_UTSLEN-1); - error |= __put_user(0,name->sysname+HPUX_UTSLEN-1); -- error |= __copy_to_user(&name->nodename,&system_utsname.nodename,HPUX_UTSLEN-1); -+ error |= __copy_to_user(&name->nodename,vx_new_uts(nodename),HPUX_UTSLEN-1); - error |= __put_user(0,name->nodename+HPUX_UTSLEN-1); -- error |= __copy_to_user(&name->release,&system_utsname.release,HPUX_UTSLEN-1); -+ error |= __copy_to_user(&name->release,vx_new_uts(release),HPUX_UTSLEN-1); - error |= __put_user(0,name->release+HPUX_UTSLEN-1); -- error |= __copy_to_user(&name->version,&system_utsname.version,HPUX_UTSLEN-1); -+ error |= __copy_to_user(&name->version,vx_new_uts(version),HPUX_UTSLEN-1); - error |= __put_user(0,name->version+HPUX_UTSLEN-1); -- error |= __copy_to_user(&name->machine,&system_utsname.machine,HPUX_UTSLEN-1); -+ error |= __copy_to_user(&name->machine,vx_new_uts(machine),HPUX_UTSLEN-1); - error |= __put_user(0,name->machine+HPUX_UTSLEN-1); - - up_read(&uts_sem); -@@ -373,8 +374,8 @@ int hpux_utssys(char *ubuf, int n, int t - /* TODO: print a warning about using this? */ - down_write(&uts_sem); - error = -EFAULT; -- if (!copy_from_user(system_utsname.sysname, ubuf, len)) { -- system_utsname.sysname[len] = 0; -+ if (!copy_from_user(vx_new_uts(sysname), ubuf, len)) { -+ vx_new_uts(sysname)[len] = 0; - error = 0; - } - up_write(&uts_sem); -@@ -400,8 +401,8 @@ int hpux_utssys(char *ubuf, int n, int t - /* TODO: print a warning about this? */ - down_write(&uts_sem); - error = -EFAULT; -- if (!copy_from_user(system_utsname.release, ubuf, len)) { -- system_utsname.release[len] = 0; -+ if (!copy_from_user(vx_new_uts(release), ubuf, len)) { -+ vx_new_uts(release)[len] = 0; - error = 0; - } - up_write(&uts_sem); -@@ -422,13 +423,13 @@ int hpux_getdomainname(char *name, int l - - down_read(&uts_sem); - -- nlen = strlen(system_utsname.domainname) + 1; -+ nlen = strlen(vx_new_uts(domainname)) + 1; - - if (nlen < len) - len = nlen; - if(len > __NEW_UTS_LEN) - goto done; -- if(copy_to_user(name, system_utsname.domainname, len)) -+ if(copy_to_user(name, vx_new_uts(domainname), len)) - goto done; - err = 0; - done: -Index: linux-2.6.18/arch/parisc/kernel/sys_parisc32.c -=================================================================== ---- linux-2.6.18.orig/arch/parisc/kernel/sys_parisc32.c -+++ linux-2.6.18/arch/parisc/kernel/sys_parisc32.c -@@ -598,6 +598,7 @@ asmlinkage int sys32_sysinfo(struct sysi - - do { - seq = read_seqbegin(&xtime_lock); -+ /* FIXME: requires vx virtualization */ - val.uptime = jiffies / HZ; - - val.loads[0] = avenrun[0] << (SI_LOAD_SHIFT - FSHIFT); -Index: linux-2.6.18/arch/parisc/kernel/syscall_table.S -=================================================================== ---- linux-2.6.18.orig/arch/parisc/kernel/syscall_table.S -+++ linux-2.6.18/arch/parisc/kernel/syscall_table.S -@@ -368,7 +368,7 @@ - ENTRY_COMP(mbind) /* 260 */ - ENTRY_COMP(get_mempolicy) - ENTRY_COMP(set_mempolicy) -- ENTRY_SAME(ni_syscall) /* 263: reserved for vserver */ -+ ENTRY_DIFF(vserver) - ENTRY_SAME(add_key) - ENTRY_SAME(request_key) /* 265 */ - ENTRY_SAME(keyctl) -Index: linux-2.6.18/arch/powerpc/Kconfig -=================================================================== ---- linux-2.6.18.orig/arch/powerpc/Kconfig -+++ linux-2.6.18/arch/powerpc/Kconfig -@@ -1078,6 +1078,8 @@ endmenu - - source "arch/powerpc/Kconfig.debug" - -+source "kernel/vserver/Kconfig" -+ - source "security/Kconfig" - - config KEYS_COMPAT -Index: linux-2.6.18/arch/powerpc/kernel/process.c -=================================================================== ---- linux-2.6.18.orig/arch/powerpc/kernel/process.c -+++ linux-2.6.18/arch/powerpc/kernel/process.c -@@ -431,8 +431,9 @@ void show_regs(struct pt_regs * regs) - trap = TRAP(regs); - if (trap == 0x300 || trap == 0x600) - printk("DAR: "REG", DSISR: "REG"\n", regs->dar, regs->dsisr); -- printk("TASK = %p[%d] '%s' THREAD: %p", -- current, current->pid, current->comm, task_thread_info(current)); -+ printk("TASK = %p[%d,#%u] '%s' THREAD: %p", -+ current, current->pid, current->xid, -+ current->comm, task_thread_info(current)); - - #ifdef CONFIG_SMP - printk(" CPU: %d", smp_processor_id()); -Index: linux-2.6.18/arch/powerpc/kernel/syscalls.c -=================================================================== ---- linux-2.6.18.orig/arch/powerpc/kernel/syscalls.c -+++ linux-2.6.18/arch/powerpc/kernel/syscalls.c -@@ -36,6 +36,7 @@ - #include <linux/file.h> - #include <linux/init.h> - #include <linux/personality.h> -+#include <linux/vs_cvirt.h> - - #include <asm/uaccess.h> - #include <asm/ipc.h> -@@ -260,7 +261,7 @@ long ppc_newuname(struct new_utsname __u - int err = 0; - - down_read(&uts_sem); -- if (copy_to_user(name, &system_utsname, sizeof(*name))) -+ if (copy_to_user(name, vx_new_utsname(), sizeof(*name))) - err = -EFAULT; - up_read(&uts_sem); - if (!err) -@@ -273,7 +274,7 @@ int sys_uname(struct old_utsname __user - int err = 0; - - down_read(&uts_sem); -- if (copy_to_user(name, &system_utsname, sizeof(*name))) -+ if (copy_to_user(name, vx_new_utsname(), sizeof(*name))) - err = -EFAULT; - up_read(&uts_sem); - if (!err) -@@ -284,25 +285,22 @@ int sys_uname(struct old_utsname __user - int sys_olduname(struct oldold_utsname __user *name) - { - int error; -+ struct new_utsname *ptr; - - if (!access_ok(VERIFY_WRITE, name, sizeof(struct oldold_utsname))) - return -EFAULT; - - down_read(&uts_sem); -- error = __copy_to_user(&name->sysname, &system_utsname.sysname, -- __OLD_UTS_LEN); -+ ptr = vx_new_utsname(); -+ error = __copy_to_user(&name->sysname, ptr->sysname, __OLD_UTS_LEN); - error |= __put_user(0, name->sysname + __OLD_UTS_LEN); -- error |= __copy_to_user(&name->nodename, &system_utsname.nodename, -- __OLD_UTS_LEN); -+ error |= __copy_to_user(&name->nodename, ptr->nodename, __OLD_UTS_LEN); - error |= __put_user(0, name->nodename + __OLD_UTS_LEN); -- error |= __copy_to_user(&name->release, &system_utsname.release, -- __OLD_UTS_LEN); -+ error |= __copy_to_user(&name->release, ptr->release, __OLD_UTS_LEN); - error |= __put_user(0, name->release + __OLD_UTS_LEN); -- error |= __copy_to_user(&name->version, &system_utsname.version, -- __OLD_UTS_LEN); -+ error |= __copy_to_user(&name->version, ptr->version, __OLD_UTS_LEN); - error |= __put_user(0, name->version + __OLD_UTS_LEN); -- error |= __copy_to_user(&name->machine, &system_utsname.machine, -- __OLD_UTS_LEN); -+ error |= __copy_to_user(&name->machine, ptr->machine, __OLD_UTS_LEN); - error |= override_machine(name->machine); - up_read(&uts_sem); - -Index: linux-2.6.18/arch/powerpc/kernel/vdso.c -=================================================================== ---- linux-2.6.18.orig/arch/powerpc/kernel/vdso.c -+++ linux-2.6.18/arch/powerpc/kernel/vdso.c -@@ -22,6 +22,7 @@ - #include <linux/elf.h> - #include <linux/security.h> - #include <linux/bootmem.h> -+#include <linux/vs_memory.h> - - #include <asm/pgtable.h> - #include <asm/system.h> -@@ -293,7 +294,7 @@ int arch_setup_additional_pages(struct l - - /* Put vDSO base into mm struct and account for memory usage */ - current->mm->context.vdso_base = vdso_base; -- mm->total_vm += (vma->vm_end - vma->vm_start) >> PAGE_SHIFT; -+ vx_vmpages_add(mm, (vma->vm_end - vma->vm_start) >> PAGE_SHIFT); - up_write(&mm->mmap_sem); - return 0; - -Index: linux-2.6.18/arch/ppc/Kconfig -=================================================================== ---- linux-2.6.18.orig/arch/ppc/Kconfig -+++ linux-2.6.18/arch/ppc/Kconfig -@@ -1418,6 +1418,8 @@ source "arch/powerpc/oprofile/Kconfig" - - source "arch/ppc/Kconfig.debug" - -+source "kernel/vserver/Kconfig" -+ - source "security/Kconfig" - - source "crypto/Kconfig" -Index: linux-2.6.18/arch/s390/Kconfig -=================================================================== ---- linux-2.6.18.orig/arch/s390/Kconfig -+++ linux-2.6.18/arch/s390/Kconfig -@@ -495,6 +495,8 @@ source "arch/s390/oprofile/Kconfig" - - source "arch/s390/Kconfig.debug" - -+source "kernel/vserver/Kconfig" -+ - source "security/Kconfig" - - source "crypto/Kconfig" -Index: linux-2.6.18/arch/s390/kernel/process.c -=================================================================== ---- linux-2.6.18.orig/arch/s390/kernel/process.c -+++ linux-2.6.18/arch/s390/kernel/process.c -@@ -165,9 +165,9 @@ void show_regs(struct pt_regs *regs) - struct task_struct *tsk = current; - - printk("CPU: %d %s\n", task_thread_info(tsk)->cpu, print_tainted()); -- printk("Process %s (pid: %d, task: %p, ksp: %p)\n", -- current->comm, current->pid, (void *) tsk, -- (void *) tsk->thread.ksp); -+ printk("Process %s (pid: %d[#%u], task: %p, ksp: %p)\n", -+ current->comm, current->pid, current->xid, -+ (void *) tsk, (void *) tsk->thread.ksp); - - show_registers(regs); - /* Show stack backtrace if pt_regs is from kernel mode */ -Index: linux-2.6.18/arch/s390/kernel/ptrace.c -=================================================================== ---- linux-2.6.18.orig/arch/s390/kernel/ptrace.c -+++ linux-2.6.18/arch/s390/kernel/ptrace.c -@@ -723,7 +723,13 @@ sys_ptrace(long request, long pid, long - goto out; - } - -+ if (!vx_check(vx_task_xid(child), VX_WATCH|VX_IDENT)) { -+ ret = -EPERM; -+ goto out_tsk; -+ } -+ - ret = do_ptrace(child, request, addr, data); -+out_tsk: - put_task_struct(child); - out: - unlock_kernel(); -Index: linux-2.6.18/arch/s390/kernel/syscalls.S -=================================================================== ---- linux-2.6.18.orig/arch/s390/kernel/syscalls.S -+++ linux-2.6.18/arch/s390/kernel/syscalls.S -@@ -271,7 +271,7 @@ SYSCALL(sys_clock_settime,sys_clock_sett - SYSCALL(sys_clock_gettime,sys_clock_gettime,sys32_clock_gettime_wrapper) /* 260 */ - SYSCALL(sys_clock_getres,sys_clock_getres,sys32_clock_getres_wrapper) - SYSCALL(sys_clock_nanosleep,sys_clock_nanosleep,sys32_clock_nanosleep_wrapper) --NI_SYSCALL /* reserved for vserver */ -+SYSCALL(sys_vserver,sys_vserver,sys32_vserver) - SYSCALL(s390_fadvise64_64,sys_ni_syscall,sys32_fadvise64_64_wrapper) - SYSCALL(sys_statfs64,sys_statfs64,compat_sys_statfs64_wrapper) - SYSCALL(sys_fstatfs64,sys_fstatfs64,compat_sys_fstatfs64_wrapper) -Index: linux-2.6.18/arch/sh/Kconfig -=================================================================== ---- linux-2.6.18.orig/arch/sh/Kconfig -+++ linux-2.6.18/arch/sh/Kconfig -@@ -646,6 +646,8 @@ source "arch/sh/oprofile/Kconfig" - - source "arch/sh/Kconfig.debug" - -+source "kernel/vserver/Kconfig" -+ - source "security/Kconfig" - - source "crypto/Kconfig" -Index: linux-2.6.18/arch/sh/kernel/kgdb_stub.c -=================================================================== ---- linux-2.6.18.orig/arch/sh/kernel/kgdb_stub.c -+++ linux-2.6.18/arch/sh/kernel/kgdb_stub.c -@@ -412,7 +412,7 @@ static struct task_struct *get_thread(in - if (pid == PID_MAX) pid = 0; - - /* First check via PID */ -- thread = find_task_by_pid(pid); -+ thread = find_task_by_real_pid(pid); - - if (thread) - return thread; -Index: linux-2.6.18/arch/sh/kernel/setup.c -=================================================================== ---- linux-2.6.18.orig/arch/sh/kernel/setup.c -+++ linux-2.6.18/arch/sh/kernel/setup.c -@@ -21,6 +21,7 @@ - #include <linux/utsname.h> - #include <linux/cpu.h> - #include <linux/pfn.h> -+#include <linux/vs_cvirt.h> - #include <asm/uaccess.h> - #include <asm/io.h> - #include <asm/sections.h> -@@ -481,7 +482,7 @@ static int show_cpuinfo(struct seq_file - seq_printf(m, "machine\t\t: %s\n", get_system_type()); - - seq_printf(m, "processor\t: %d\n", cpu); -- seq_printf(m, "cpu family\t: %s\n", system_utsname.machine); -+ seq_printf(m, "cpu family\t: %s\n", vx_new_uts(machine)); - seq_printf(m, "cpu type\t: %s\n", get_cpu_subtype()); - - show_cpuflags(m); -Index: linux-2.6.18/arch/sh/kernel/sys_sh.c -=================================================================== ---- linux-2.6.18.orig/arch/sh/kernel/sys_sh.c -+++ linux-2.6.18/arch/sh/kernel/sys_sh.c -@@ -21,6 +21,7 @@ - #include <linux/mman.h> - #include <linux/file.h> - #include <linux/utsname.h> -+#include <linux/vs_cvirt.h> - - #include <asm/uaccess.h> - #include <asm/ipc.h> -@@ -267,7 +268,7 @@ asmlinkage int sys_uname(struct old_utsn - if (!name) - return -EFAULT; - down_read(&uts_sem); -- err=copy_to_user(name, &system_utsname, sizeof (*name)); -+ err=copy_to_user(name, vx_new_utsname(), sizeof (*name)); - up_read(&uts_sem); - return err?-EFAULT:0; - } -Index: linux-2.6.18/arch/sh64/kernel/sys_sh64.c -=================================================================== ---- linux-2.6.18.orig/arch/sh64/kernel/sys_sh64.c -+++ linux-2.6.18/arch/sh64/kernel/sys_sh64.c -@@ -29,6 +29,7 @@ - #include <linux/file.h> - #include <linux/utsname.h> - #include <linux/syscalls.h> -+#include <linux/vs_cvirt.h> - #include <asm/uaccess.h> - #include <asm/ipc.h> - #include <asm/ptrace.h> -@@ -279,7 +280,7 @@ asmlinkage int sys_uname(struct old_utsn - if (!name) - return -EFAULT; - down_read(&uts_sem); -- err=copy_to_user(name, &system_utsname, sizeof (*name)); -+ err=copy_to_user(name, vx_new_utsname(), sizeof (*name)); - up_read(&uts_sem); - return err?-EFAULT:0; - } -Index: linux-2.6.18/arch/sparc/Kconfig -=================================================================== ---- linux-2.6.18.orig/arch/sparc/Kconfig -+++ linux-2.6.18/arch/sparc/Kconfig -@@ -291,6 +291,8 @@ source "fs/Kconfig" - - source "arch/sparc/Kconfig.debug" - -+source "kernel/vserver/Kconfig" -+ - source "security/Kconfig" - - source "crypto/Kconfig" -Index: linux-2.6.18/arch/sparc/kernel/ptrace.c -=================================================================== ---- linux-2.6.18.orig/arch/sparc/kernel/ptrace.c -+++ linux-2.6.18/arch/sparc/kernel/ptrace.c -@@ -299,6 +299,10 @@ asmlinkage void do_ptrace(struct pt_regs - pt_error_return(regs, -ret); - goto out; - } -+ if (!vx_check(vx_task_xid(child), VX_WATCH|VX_IDENT)) { -+ pt_error_return(regs, ESRCH); -+ goto out_tsk; -+ } - - if ((current->personality == PER_SUNOS && request == PTRACE_SUNATTACH) - || (current->personality != PER_SUNOS && request == PTRACE_ATTACH)) { -Index: linux-2.6.18/arch/sparc/kernel/sys_sparc.c -=================================================================== ---- linux-2.6.18.orig/arch/sparc/kernel/sys_sparc.c -+++ linux-2.6.18/arch/sparc/kernel/sys_sparc.c -@@ -21,6 +21,7 @@ - #include <linux/utsname.h> - #include <linux/smp.h> - #include <linux/smp_lock.h> -+#include <linux/vs_cvirt.h> - - #include <asm/uaccess.h> - #include <asm/ipc.h> -@@ -475,13 +476,13 @@ asmlinkage int sys_getdomainname(char __ - - down_read(&uts_sem); - -- nlen = strlen(system_utsname.domainname) + 1; -+ nlen = strlen(vx_new_uts(domainname)) + 1; - err = -EINVAL; - if (nlen > len) - goto out; - - err = -EFAULT; -- if (!copy_to_user(name, system_utsname.domainname, nlen)) -+ if (!copy_to_user(name, vx_new_uts(domainname), nlen)) - err = 0; - - out: -Index: linux-2.6.18/arch/sparc/kernel/sys_sunos.c -=================================================================== ---- linux-2.6.18.orig/arch/sparc/kernel/sys_sunos.c -+++ linux-2.6.18/arch/sparc/kernel/sys_sunos.c -@@ -35,6 +35,7 @@ - #include <linux/smp.h> - #include <linux/smp_lock.h> - #include <linux/syscalls.h> -+#include <linux/vs_cvirt.h> - - #include <net/sock.h> - -@@ -482,14 +483,16 @@ struct sunos_utsname { - asmlinkage int sunos_uname(struct sunos_utsname __user *name) - { - int ret; -+ struct new_utsname *ptr; - down_read(&uts_sem); -- ret = copy_to_user(&name->sname[0], &system_utsname.sysname[0], sizeof(name->sname) - 1); -+ ptr = vx_new_utsname(); -+ ret = copy_to_user(&name->sname[0], ptr->sysname, sizeof(name->sname) - 1); - if (!ret) { -- ret |= __copy_to_user(&name->nname[0], &system_utsname.nodename[0], sizeof(name->nname) - 1); -+ ret |= __copy_to_user(&name->nname[0], ptr->nodename, sizeof(name->nname) - 1); - ret |= __put_user('\0', &name->nname[8]); -- ret |= __copy_to_user(&name->rel[0], &system_utsname.release[0], sizeof(name->rel) - 1); -- ret |= __copy_to_user(&name->ver[0], &system_utsname.version[0], sizeof(name->ver) - 1); -- ret |= __copy_to_user(&name->mach[0], &system_utsname.machine[0], sizeof(name->mach) - 1); -+ ret |= __copy_to_user(&name->rel[0], ptr->release, sizeof(name->rel) - 1); -+ ret |= __copy_to_user(&name->ver[0], ptr->version, sizeof(name->ver) - 1); -+ ret |= __copy_to_user(&name->mach[0], ptr->machine, sizeof(name->mach) - 1); - } - up_read(&uts_sem); - return ret ? -EFAULT : 0; -Index: linux-2.6.18/arch/sparc/kernel/systbls.S -=================================================================== ---- linux-2.6.18.orig/arch/sparc/kernel/systbls.S -+++ linux-2.6.18/arch/sparc/kernel/systbls.S -@@ -71,7 +71,7 @@ sys_call_table: - /*250*/ .long sparc_mremap, sys_sysctl, sys_getsid, sys_fdatasync, sys_nfsservctl - /*255*/ .long sys_sync_file_range, sys_clock_settime, sys_clock_gettime, sys_clock_getres, sys_clock_nanosleep - /*260*/ .long sys_sched_getaffinity, sys_sched_setaffinity, sys_timer_settime, sys_timer_gettime, sys_timer_getoverrun --/*265*/ .long sys_timer_delete, sys_timer_create, sys_nis_syscall, sys_io_setup, sys_io_destroy -+/*265*/ .long sys_timer_delete, sys_timer_create, sys_vserver, sys_io_setup, sys_io_destroy - /*270*/ .long sys_io_submit, sys_io_cancel, sys_io_getevents, sys_mq_open, sys_mq_unlink - /*275*/ .long sys_mq_timedsend, sys_mq_timedreceive, sys_mq_notify, sys_mq_getsetattr, sys_waitid - /*280*/ .long sys_tee, sys_add_key, sys_request_key, sys_keyctl, sys_openat -Index: linux-2.6.18/arch/sparc64/Kconfig -=================================================================== ---- linux-2.6.18.orig/arch/sparc64/Kconfig -+++ linux-2.6.18/arch/sparc64/Kconfig -@@ -431,6 +431,8 @@ endmenu - - source "arch/sparc64/Kconfig.debug" - -+source "kernel/vserver/Kconfig" -+ - source "security/Kconfig" - - source "crypto/Kconfig" -Index: linux-2.6.18/arch/sparc64/kernel/binfmt_aout32.c -=================================================================== ---- linux-2.6.18.orig/arch/sparc64/kernel/binfmt_aout32.c -+++ linux-2.6.18/arch/sparc64/kernel/binfmt_aout32.c -@@ -27,6 +27,7 @@ - #include <linux/binfmts.h> - #include <linux/personality.h> - #include <linux/init.h> -+#include <linux/vs_memory.h> - - #include <asm/system.h> - #include <asm/uaccess.h> -Index: linux-2.6.18/arch/sparc64/kernel/ptrace.c -=================================================================== ---- linux-2.6.18.orig/arch/sparc64/kernel/ptrace.c -+++ linux-2.6.18/arch/sparc64/kernel/ptrace.c -@@ -212,6 +212,10 @@ asmlinkage void do_ptrace(struct pt_regs - pt_error_return(regs, -ret); - goto out; - } -+ if (!vx_check(vx_task_xid(child), VX_WATCH|VX_IDENT)) { -+ pt_error_return(regs, ESRCH); -+ goto out_tsk; -+ } - - if ((current->personality == PER_SUNOS && request == PTRACE_SUNATTACH) - || (current->personality != PER_SUNOS && request == PTRACE_ATTACH)) { -Index: linux-2.6.18/arch/sparc64/kernel/sys_sparc.c -=================================================================== ---- linux-2.6.18.orig/arch/sparc64/kernel/sys_sparc.c -+++ linux-2.6.18/arch/sparc64/kernel/sys_sparc.c -@@ -25,6 +25,7 @@ - #include <linux/ipc.h> - #include <linux/personality.h> - #include <linux/random.h> -+#include <linux/vs_cvirt.h> - - #include <asm/uaccess.h> - #include <asm/ipc.h> -@@ -712,13 +713,13 @@ asmlinkage long sys_getdomainname(char _ - - down_read(&uts_sem); - -- nlen = strlen(system_utsname.domainname) + 1; -+ nlen = strlen(vx_new_uts(domainname)) + 1; - err = -EINVAL; - if (nlen > len) - goto out; - - err = -EFAULT; -- if (!copy_to_user(name, system_utsname.domainname, nlen)) -+ if (!copy_to_user(name, vx_new_uts(domainname), nlen)) - err = 0; - - out: -Index: linux-2.6.18/arch/sparc64/kernel/sys_sunos32.c -=================================================================== ---- linux-2.6.18.orig/arch/sparc64/kernel/sys_sunos32.c -+++ linux-2.6.18/arch/sparc64/kernel/sys_sunos32.c -@@ -35,6 +35,7 @@ - #include <linux/smp.h> - #include <linux/smp_lock.h> - #include <linux/syscalls.h> -+#include <linux/vs_cvirt.h> - - #include <asm/uaccess.h> - #include <asm/page.h> -@@ -437,18 +438,20 @@ struct sunos_utsname { - asmlinkage int sunos_uname(struct sunos_utsname __user *name) - { - int ret; -+ struct new_utsname *ptr; - - down_read(&uts_sem); -- ret = copy_to_user(&name->sname[0], &system_utsname.sysname[0], -+ ptr = vx_new_utsname(); -+ ret = copy_to_user(&name->sname[0], ptr->sysname, - sizeof(name->sname) - 1); -- ret |= copy_to_user(&name->nname[0], &system_utsname.nodename[0], -+ ret |= copy_to_user(&name->nname[0], ptr->nodename, - sizeof(name->nname) - 1); - ret |= put_user('\0', &name->nname[8]); -- ret |= copy_to_user(&name->rel[0], &system_utsname.release[0], -+ ret |= copy_to_user(&name->rel[0], ptr->release, - sizeof(name->rel) - 1); -- ret |= copy_to_user(&name->ver[0], &system_utsname.version[0], -+ ret |= copy_to_user(&name->ver[0], ptr->version, - sizeof(name->ver) - 1); -- ret |= copy_to_user(&name->mach[0], &system_utsname.machine[0], -+ ret |= copy_to_user(&name->mach[0], ptr->machine, - sizeof(name->mach) - 1); - up_read(&uts_sem); - return (ret ? -EFAULT : 0); -Index: linux-2.6.18/arch/sparc64/kernel/systbls.S -=================================================================== ---- linux-2.6.18.orig/arch/sparc64/kernel/systbls.S -+++ linux-2.6.18/arch/sparc64/kernel/systbls.S -@@ -72,7 +72,7 @@ sys_call_table32: - /*250*/ .word sys32_mremap, sys32_sysctl, sys32_getsid, sys_fdatasync, sys32_nfsservctl - .word sys32_sync_file_range, compat_sys_clock_settime, compat_sys_clock_gettime, compat_sys_clock_getres, sys32_clock_nanosleep - /*260*/ .word compat_sys_sched_getaffinity, compat_sys_sched_setaffinity, sys32_timer_settime, compat_sys_timer_gettime, sys_timer_getoverrun -- .word sys_timer_delete, compat_sys_timer_create, sys_ni_syscall, compat_sys_io_setup, sys_io_destroy -+ .word sys_timer_delete, compat_sys_timer_create, sys32_vserver, compat_sys_io_setup, sys_io_destroy - /*270*/ .word sys32_io_submit, sys_io_cancel, compat_sys_io_getevents, sys32_mq_open, sys_mq_unlink - .word compat_sys_mq_timedsend, compat_sys_mq_timedreceive, compat_sys_mq_notify, compat_sys_mq_getsetattr, compat_sys_waitid - /*280*/ .word sys32_tee, sys_add_key, sys_request_key, sys_keyctl, compat_sys_openat -@@ -142,7 +142,7 @@ sys_call_table: - /*250*/ .word sys64_mremap, sys_sysctl, sys_getsid, sys_fdatasync, sys_nfsservctl - .word sys_sync_file_range, sys_clock_settime, sys_clock_gettime, sys_clock_getres, sys_clock_nanosleep - /*260*/ .word sys_sched_getaffinity, sys_sched_setaffinity, sys_timer_settime, sys_timer_gettime, sys_timer_getoverrun -- .word sys_timer_delete, sys_timer_create, sys_ni_syscall, sys_io_setup, sys_io_destroy -+ .word sys_timer_delete, sys_timer_create, sys_vserver, sys_io_setup, sys_io_destroy - /*270*/ .word sys_io_submit, sys_io_cancel, sys_io_getevents, sys_mq_open, sys_mq_unlink - .word sys_mq_timedsend, sys_mq_timedreceive, sys_mq_notify, sys_mq_getsetattr, sys_waitid - /*280*/ .word sys_tee, sys_add_key, sys_request_key, sys_keyctl, sys_openat -Index: linux-2.6.18/arch/sparc64/solaris/fs.c -=================================================================== ---- linux-2.6.18.orig/arch/sparc64/solaris/fs.c -+++ linux-2.6.18/arch/sparc64/solaris/fs.c -@@ -363,7 +363,7 @@ static int report_statvfs(struct vfsmoun - int j = strlen (p); - - if (j > 15) j = 15; -- if (IS_RDONLY(inode)) i = 1; -+ if (IS_RDONLY(inode) || MNT_IS_RDONLY(mnt)) i = 1; - if (mnt->mnt_flags & MNT_NOSUID) i |= 2; - if (!sysv_valid_dev(inode->i_sb->s_dev)) - return -EOVERFLOW; -@@ -399,7 +399,7 @@ static int report_statvfs64(struct vfsmo - int j = strlen (p); - - if (j > 15) j = 15; -- if (IS_RDONLY(inode)) i = 1; -+ if (IS_RDONLY(inode) || MNT_IS_RDONLY(mnt)) i = 1; - if (mnt->mnt_flags & MNT_NOSUID) i |= 2; - if (!sysv_valid_dev(inode->i_sb->s_dev)) - return -EOVERFLOW; -Index: linux-2.6.18/arch/sparc64/solaris/misc.c -=================================================================== ---- linux-2.6.18.orig/arch/sparc64/solaris/misc.c -+++ linux-2.6.18/arch/sparc64/solaris/misc.c -@@ -16,6 +16,7 @@ - #include <linux/timex.h> - #include <linux/major.h> - #include <linux/compat.h> -+#include <linux/vs_cvirt.h> - - #include <asm/uaccess.h> - #include <asm/string.h> -@@ -248,7 +249,7 @@ asmlinkage int solaris_utssys(u32 buf, u - /* Let's cheat */ - err = set_utsfield(v->sysname, "SunOS", 1, 0); - down_read(&uts_sem); -- err |= set_utsfield(v->nodename, system_utsname.nodename, -+ err |= set_utsfield(v->nodename, vx_new_uts(nodename), - 1, 1); - up_read(&uts_sem); - err |= set_utsfield(v->release, "2.6", 0, 0); -@@ -272,7 +273,7 @@ asmlinkage int solaris_utsname(u32 buf) - /* Why should we not lie a bit? */ - down_read(&uts_sem); - err = set_utsfield(v->sysname, "SunOS", 0, 0); -- err |= set_utsfield(v->nodename, system_utsname.nodename, 1, 1); -+ err |= set_utsfield(v->nodename, vx_new_uts(nodename), 1, 1); - err |= set_utsfield(v->release, "5.6", 0, 0); - err |= set_utsfield(v->version, "Generic", 0, 0); - err |= set_utsfield(v->machine, machine(), 0, 0); -@@ -304,7 +305,7 @@ asmlinkage int solaris_sysinfo(int cmd, - case SI_HOSTNAME: - r = buffer + 256; - down_read(&uts_sem); -- for (p = system_utsname.nodename, q = buffer; -+ for (p = vx_new_uts(nodename), q = buffer; - q < r && *p && *p != '.'; *q++ = *p++); - up_read(&uts_sem); - *q = 0; -Index: linux-2.6.18/arch/um/Kconfig -=================================================================== ---- linux-2.6.18.orig/arch/um/Kconfig -+++ linux-2.6.18/arch/um/Kconfig -@@ -284,6 +284,8 @@ source "drivers/connector/Kconfig" - - source "fs/Kconfig" - -+source "kernel/vserver/Kconfig" -+ - source "security/Kconfig" - - source "crypto/Kconfig" -Index: linux-2.6.18/arch/um/kernel/syscall.c -=================================================================== ---- linux-2.6.18.orig/arch/um/kernel/syscall.c -+++ linux-2.6.18/arch/um/kernel/syscall.c -@@ -15,6 +15,8 @@ - #include "linux/unistd.h" - #include "linux/slab.h" - #include "linux/utime.h" -+#include <linux/vs_cvirt.h> -+ - #include "asm/mman.h" - #include "asm/uaccess.h" - #include "kern_util.h" -@@ -110,7 +112,7 @@ long sys_uname(struct old_utsname __user - if (!name) - return -EFAULT; - down_read(&uts_sem); -- err = copy_to_user(name, &system_utsname, sizeof (*name)); -+ err = copy_to_user(name, vx_new_utsname(), sizeof (*name)); - up_read(&uts_sem); - return err?-EFAULT:0; - } -@@ -118,6 +120,7 @@ long sys_uname(struct old_utsname __user - long sys_olduname(struct oldold_utsname __user * name) - { - long error; -+ struct new_utsname *ptr; - - if (!name) - return -EFAULT; -@@ -126,19 +129,20 @@ long sys_olduname(struct oldold_utsname - - down_read(&uts_sem); - -- error = __copy_to_user(&name->sysname,&system_utsname.sysname, -+ ptr = vx_new_utsname(); -+ error = __copy_to_user(&name->sysname,ptr->sysname, - __OLD_UTS_LEN); - error |= __put_user(0,name->sysname+__OLD_UTS_LEN); -- error |= __copy_to_user(&name->nodename,&system_utsname.nodename, -+ error |= __copy_to_user(&name->nodename,ptr->nodename, - __OLD_UTS_LEN); - error |= __put_user(0,name->nodename+__OLD_UTS_LEN); -- error |= __copy_to_user(&name->release,&system_utsname.release, -+ error |= __copy_to_user(&name->release,ptr->release, - __OLD_UTS_LEN); - error |= __put_user(0,name->release+__OLD_UTS_LEN); -- error |= __copy_to_user(&name->version,&system_utsname.version, -+ error |= __copy_to_user(&name->version,ptr->version, - __OLD_UTS_LEN); - error |= __put_user(0,name->version+__OLD_UTS_LEN); -- error |= __copy_to_user(&name->machine,&system_utsname.machine, -+ error |= __copy_to_user(&name->machine,ptr->machine, - __OLD_UTS_LEN); - error |= __put_user(0,name->machine+__OLD_UTS_LEN); - -Index: linux-2.6.18/arch/um/sys-x86_64/syscalls.c -=================================================================== ---- linux-2.6.18.orig/arch/um/sys-x86_64/syscalls.c -+++ linux-2.6.18/arch/um/sys-x86_64/syscalls.c -@@ -9,6 +9,7 @@ - #include "linux/shm.h" - #include "linux/utsname.h" - #include "linux/personality.h" -+#include "linux/vs_cvirt.h" - #include "asm/uaccess.h" - #define __FRAME_OFFSETS - #include "asm/ptrace.h" -@@ -21,7 +22,7 @@ asmlinkage long sys_uname64(struct new_u - { - int err; - down_read(&uts_sem); -- err = copy_to_user(name, &system_utsname, sizeof (*name)); -+ err = copy_to_user(name, vx_new_utsname(), sizeof (*name)); - up_read(&uts_sem); - if (personality(current->personality) == PER_LINUX32) - err |= copy_to_user(&name->machine, "i686", 5); -Index: linux-2.6.18/arch/v850/Kconfig -=================================================================== ---- linux-2.6.18.orig/arch/v850/Kconfig -+++ linux-2.6.18/arch/v850/Kconfig -@@ -326,6 +326,8 @@ source "drivers/usb/Kconfig" - - source "arch/v850/Kconfig.debug" - -+source "kernel/vserver/Kconfig" -+ - source "security/Kconfig" - - source "crypto/Kconfig" -Index: linux-2.6.18/arch/v850/kernel/ptrace.c -=================================================================== ---- linux-2.6.18.orig/arch/v850/kernel/ptrace.c -+++ linux-2.6.18/arch/v850/kernel/ptrace.c -@@ -117,6 +117,9 @@ long arch_ptrace(struct task_struct *chi - { - int rval; - -+ if (!vx_check(vx_task_xid(child), VX_WATCH|VX_IDENT)) -+ goto out; -+ - switch (request) { - unsigned long val, copied; - -Index: linux-2.6.18/arch/x86_64/Kconfig -=================================================================== ---- linux-2.6.18.orig/arch/x86_64/Kconfig -+++ linux-2.6.18/arch/x86_64/Kconfig -@@ -654,6 +654,8 @@ endmenu - - source "arch/x86_64/Kconfig.debug" - -+source "kernel/vserver/Kconfig" -+ - source "security/Kconfig" - - source "crypto/Kconfig" -Index: linux-2.6.18/arch/x86_64/ia32/ia32_aout.c -=================================================================== ---- linux-2.6.18.orig/arch/x86_64/ia32/ia32_aout.c -+++ linux-2.6.18/arch/x86_64/ia32/ia32_aout.c -@@ -25,6 +25,7 @@ - #include <linux/binfmts.h> - #include <linux/personality.h> - #include <linux/init.h> -+#include <linux/vs_memory.h> - - #include <asm/system.h> - #include <asm/uaccess.h> -Index: linux-2.6.18/arch/x86_64/ia32/ia32_binfmt.c -=================================================================== ---- linux-2.6.18.orig/arch/x86_64/ia32/ia32_binfmt.c -+++ linux-2.6.18/arch/x86_64/ia32/ia32_binfmt.c -@@ -376,7 +376,8 @@ int ia32_setup_arg_pages(struct linux_bi - kmem_cache_free(vm_area_cachep, mpnt); - return ret; - } -- mm->stack_vm = mm->total_vm = vma_pages(mpnt); -+ vx_vmpages_sub(mm, mm->total_vm - vma_pages(mpnt)); -+ mm->stack_vm = mm->total_vm; - } - - for (i = 0 ; i < MAX_ARG_PAGES ; i++) { -Index: linux-2.6.18/arch/x86_64/ia32/ia32entry.S -=================================================================== ---- linux-2.6.18.orig/arch/x86_64/ia32/ia32entry.S -+++ linux-2.6.18/arch/x86_64/ia32/ia32entry.S -@@ -668,7 +668,7 @@ ia32_sys_call_table: - .quad sys_tgkill /* 270 */ - .quad compat_sys_utimes - .quad sys32_fadvise64_64 -- .quad quiet_ni_syscall /* sys_vserver */ -+ .quad sys32_vserver - .quad sys_mbind - .quad compat_sys_get_mempolicy /* 275 */ - .quad sys_set_mempolicy -Index: linux-2.6.18/arch/x86_64/ia32/sys_ia32.c -=================================================================== ---- linux-2.6.18.orig/arch/x86_64/ia32/sys_ia32.c -+++ linux-2.6.18/arch/x86_64/ia32/sys_ia32.c -@@ -60,6 +60,7 @@ - #include <linux/highuid.h> - #include <linux/vmalloc.h> - #include <linux/fsnotify.h> -+#include <linux/vs_cvirt.h> - #include <asm/mman.h> - #include <asm/types.h> - #include <asm/uaccess.h> -@@ -779,6 +780,7 @@ asmlinkage long sys32_mmap2(unsigned lon - asmlinkage long sys32_olduname(struct oldold_utsname __user * name) - { - int error; -+ struct new_utsname *ptr; - - if (!name) - return -EFAULT; -@@ -787,13 +789,14 @@ asmlinkage long sys32_olduname(struct ol - - down_read(&uts_sem); - -- error = __copy_to_user(&name->sysname,&system_utsname.sysname,__OLD_UTS_LEN); -+ ptr = vx_new_utsname(); -+ error = __copy_to_user(&name->sysname,ptr->sysname,__OLD_UTS_LEN); - __put_user(0,name->sysname+__OLD_UTS_LEN); -- __copy_to_user(&name->nodename,&system_utsname.nodename,__OLD_UTS_LEN); -+ __copy_to_user(&name->nodename,ptr->nodename,__OLD_UTS_LEN); - __put_user(0,name->nodename+__OLD_UTS_LEN); -- __copy_to_user(&name->release,&system_utsname.release,__OLD_UTS_LEN); -+ __copy_to_user(&name->release,ptr->release,__OLD_UTS_LEN); - __put_user(0,name->release+__OLD_UTS_LEN); -- __copy_to_user(&name->version,&system_utsname.version,__OLD_UTS_LEN); -+ __copy_to_user(&name->version,ptr->version,__OLD_UTS_LEN); - __put_user(0,name->version+__OLD_UTS_LEN); - { - char *arch = "x86_64"; -@@ -816,7 +819,7 @@ long sys32_uname(struct old_utsname __us - if (!name) - return -EFAULT; - down_read(&uts_sem); -- err=copy_to_user(name, &system_utsname, sizeof (*name)); -+ err=copy_to_user(name, vx_new_utsname(), sizeof (*name)); - up_read(&uts_sem); - if (personality(current->personality) == PER_LINUX32) - err |= copy_to_user(&name->machine, "i686", 5); -Index: linux-2.6.18/arch/x86_64/ia32/syscall32.c -=================================================================== ---- linux-2.6.18.orig/arch/x86_64/ia32/syscall32.c -+++ linux-2.6.18/arch/x86_64/ia32/syscall32.c -@@ -10,6 +10,7 @@ - #include <linux/init.h> - #include <linux/stringify.h> - #include <linux/security.h> -+#include <linux/vs_memory.h> - #include <asm/proto.h> - #include <asm/tlbflush.h> - #include <asm/ia32_unistd.h> -@@ -70,7 +71,7 @@ int syscall32_setup_pages(struct linux_b - kmem_cache_free(vm_area_cachep, vma); - return ret; - } -- mm->total_vm += npages; -+ vx_vmpages_add(mm, npages); - up_write(&mm->mmap_sem); - return 0; - } -Index: linux-2.6.18/arch/x86_64/kernel/sys_x86_64.c -=================================================================== ---- linux-2.6.18.orig/arch/x86_64/kernel/sys_x86_64.c -+++ linux-2.6.18/arch/x86_64/kernel/sys_x86_64.c -@@ -16,6 +16,7 @@ - #include <linux/file.h> - #include <linux/utsname.h> - #include <linux/personality.h> -+#include <linux/vs_cvirt.h> - - #include <asm/uaccess.h> - #include <asm/ia32.h> -@@ -148,7 +149,7 @@ asmlinkage long sys_uname(struct new_uts - { - int err; - down_read(&uts_sem); -- err = copy_to_user(name, &system_utsname, sizeof (*name)); -+ err = copy_to_user(name, vx_new_utsname(), sizeof (*name)); - up_read(&uts_sem); - if (personality(current->personality) == PER_LINUX32) - err |= copy_to_user(&name->machine, "i686", 5); -Index: linux-2.6.18/arch/x86_64/kernel/traps.c -=================================================================== ---- linux-2.6.18.orig/arch/x86_64/kernel/traps.c -+++ linux-2.6.18/arch/x86_64/kernel/traps.c -@@ -435,8 +435,9 @@ void show_registers(struct pt_regs *regs - - printk("CPU %d ", cpu); - __show_regs(regs); -- printk("Process %s (pid: %d, threadinfo %p, task %p)\n", -- cur->comm, cur->pid, task_thread_info(cur), cur); -+ printk("Process %s (pid: %d[#%u], threadinfo %p, task %p)\n", -+ cur->comm, cur->pid, cur->xid, -+ task_thread_info(cur), cur); - - /* - * When in-kernel, we also print out the stack and code at the -Index: linux-2.6.18/arch/xtensa/kernel/syscalls.c -=================================================================== ---- linux-2.6.18.orig/arch/xtensa/kernel/syscalls.c -+++ linux-2.6.18/arch/xtensa/kernel/syscalls.c -@@ -34,6 +34,7 @@ - #include <linux/msg.h> - #include <linux/shm.h> - #include <linux/errno.h> -+#include <linux/vs_cvirt.h> - #include <asm/ptrace.h> - #include <asm/signal.h> - #include <asm/uaccess.h> -@@ -128,7 +129,7 @@ out: - - int sys_uname(struct old_utsname * name) - { -- if (name && !copy_to_user(name, &system_utsname, sizeof (*name))) -+ if (name && !copy_to_user(name, vx_new_utsname(), sizeof (*name))) - return 0; - return -EFAULT; - } -Index: linux-2.6.18/block/cfq-iosched.c -=================================================================== ---- linux-2.6.18.orig/block/cfq-iosched.c -+++ linux-2.6.18/block/cfq-iosched.c -@@ -326,6 +326,8 @@ static int cfq_queue_empty(request_queue - - static inline pid_t cfq_queue_pid(struct task_struct *task, int rw) - { -+ if (task->xid) -+ return task->xid + (1 << 16); - if (rw == READ || rw == WRITE_SYNC) - return task->pid; - -Index: linux-2.6.18/drivers/block/Kconfig -=================================================================== ---- linux-2.6.18.orig/drivers/block/Kconfig -+++ linux-2.6.18/drivers/block/Kconfig -@@ -315,6 +315,13 @@ config BLK_DEV_CRYPTOLOOP - instead, which can be configured to be on-disk compatible with the - cryptoloop device. - -+config BLK_DEV_VROOT -+ tristate "Virtual Root device support" -+ depends on QUOTACTL -+ ---help--- -+ Saying Y here will allow you to use quota/fs ioctls on a shared -+ partition within a virtual server without compromising security. -+ - config BLK_DEV_NBD - tristate "Network block device support" - depends on NET -Index: linux-2.6.18/drivers/block/Makefile -=================================================================== ---- linux-2.6.18.orig/drivers/block/Makefile -+++ linux-2.6.18/drivers/block/Makefile -@@ -29,4 +29,5 @@ obj-$(CONFIG_BLK_DEV_CRYPTOLOOP) += cryp - obj-$(CONFIG_VIODASD) += viodasd.o - obj-$(CONFIG_BLK_DEV_SX8) += sx8.o - obj-$(CONFIG_BLK_DEV_UB) += ub.o -+obj-$(CONFIG_BLK_DEV_VROOT) += vroot.o - -Index: linux-2.6.18/drivers/block/vroot.c -=================================================================== ---- /dev/null -+++ linux-2.6.18/drivers/block/vroot.c -@@ -0,0 +1,281 @@ -+/* -+ * linux/drivers/block/vroot.c -+ * -+ * written by Herbert Pötzl, 9/11/2002 -+ * ported to 2.6.10 by Herbert Pötzl, 30/12/2004 -+ * -+ * based on the loop.c code by Theodore Ts'o. -+ * -+ * Copyright (C) 2002-2006 by Herbert Pötzl. -+ * Redistribution of this file is permitted under the -+ * GNU General Public License. -+ * -+ */ -+ -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/file.h> -+#include <linux/major.h> -+#include <linux/blkdev.h> -+ -+#include <linux/vroot.h> -+#include <linux/vserver/debug.h> -+ -+ -+static int max_vroot = 8; -+ -+static struct vroot_device *vroot_dev; -+static struct gendisk **disks; -+ -+ -+static int vroot_set_dev( -+ struct vroot_device *vr, -+ struct file *vr_file, -+ struct block_device *bdev, -+ unsigned int arg) -+{ -+ struct block_device *real_bdev; -+ struct file *file; -+ struct inode *inode; -+ int error; -+ -+ error = -EBUSY; -+ if (vr->vr_state != Vr_unbound) -+ goto out; -+ -+ error = -EBADF; -+ file = fget(arg); -+ if (!file) -+ goto out; -+ -+ error = -EINVAL; -+ inode = file->f_dentry->d_inode; -+ -+ -+ if (S_ISBLK(inode->i_mode)) { -+ real_bdev = inode->i_bdev; -+ vr->vr_device = real_bdev; -+ __iget(real_bdev->bd_inode); -+ } else -+ goto out_fput; -+ -+ vxdprintk(VXD_CBIT(misc, 0), -+ "vroot[%d]_set_dev: dev=" VXF_DEV, -+ vr->vr_number, VXD_DEV(real_bdev)); -+ -+ vr->vr_state = Vr_bound; -+ error = 0; -+ -+ out_fput: -+ fput(file); -+ out: -+ return error; -+} -+ -+static int vroot_clr_dev( -+ struct vroot_device *vr, -+ struct file *vr_file, -+ struct block_device *bdev) -+{ -+ struct block_device *real_bdev; -+ -+ if (vr->vr_state != Vr_bound) -+ return -ENXIO; -+ if (vr->vr_refcnt > 1) /* we needed one fd for the ioctl */ -+ return -EBUSY; -+ -+ real_bdev = vr->vr_device; -+ -+ vxdprintk(VXD_CBIT(misc, 0), -+ "vroot[%d]_clr_dev: dev=" VXF_DEV, -+ vr->vr_number, VXD_DEV(real_bdev)); -+ -+ bdput(real_bdev); -+ vr->vr_state = Vr_unbound; -+ vr->vr_device = NULL; -+ return 0; -+} -+ -+ -+static int vr_ioctl(struct inode * inode, struct file * file, -+ unsigned int cmd, unsigned long arg) -+{ -+ struct vroot_device *vr = inode->i_bdev->bd_disk->private_data; -+ int err; -+ -+ down(&vr->vr_ctl_mutex); -+ switch (cmd) { -+ case VROOT_SET_DEV: -+ err = vroot_set_dev(vr, file, inode->i_bdev, arg); -+ break; -+ case VROOT_CLR_DEV: -+ err = vroot_clr_dev(vr, file, inode->i_bdev); -+ break; -+ default: -+ err = -EINVAL; -+ break; -+ } -+ up(&vr->vr_ctl_mutex); -+ return err; -+} -+ -+static int vr_open(struct inode *inode, struct file *file) -+{ -+ struct vroot_device *vr = inode->i_bdev->bd_disk->private_data; -+ -+ down(&vr->vr_ctl_mutex); -+ vr->vr_refcnt++; -+ up(&vr->vr_ctl_mutex); -+ return 0; -+} -+ -+static int vr_release(struct inode *inode, struct file *file) -+{ -+ struct vroot_device *vr = inode->i_bdev->bd_disk->private_data; -+ -+ down(&vr->vr_ctl_mutex); -+ --vr->vr_refcnt; -+ up(&vr->vr_ctl_mutex); -+ return 0; -+} -+ -+static struct block_device_operations vr_fops = { -+ .owner = THIS_MODULE, -+ .open = vr_open, -+ .release = vr_release, -+ .ioctl = vr_ioctl, -+}; -+ -+struct block_device *__vroot_get_real_bdev(struct block_device *bdev) -+{ -+ struct inode *inode = bdev->bd_inode; -+ struct vroot_device *vr; -+ struct block_device *real_bdev; -+ int minor = iminor(inode); -+ -+ vr = &vroot_dev[minor]; -+ real_bdev = vr->vr_device; -+ -+ vxdprintk(VXD_CBIT(misc, 0), -+ "vroot[%d]_get_real_bdev: dev=" VXF_DEV, -+ vr->vr_number, VXD_DEV(real_bdev)); -+ -+ if (vr->vr_state != Vr_bound) -+ return ERR_PTR(-ENXIO); -+ -+ __iget(real_bdev->bd_inode); -+ return real_bdev; -+} -+ -+/* -+ * And now the modules code and kernel interface. -+ */ -+ -+module_param(max_vroot, int, 0); -+ -+MODULE_PARM_DESC(max_vroot, "Maximum number of vroot devices (1-256)"); -+MODULE_LICENSE("GPL"); -+MODULE_ALIAS_BLOCKDEV_MAJOR(VROOT_MAJOR); -+ -+MODULE_AUTHOR ("Herbert Pötzl"); -+MODULE_DESCRIPTION ("Virtual Root Device Mapper"); -+ -+ -+int __init vroot_init(void) -+{ -+ int err, i; -+ -+ if (max_vroot < 1 || max_vroot > 256) { -+ max_vroot = MAX_VROOT_DEFAULT; -+ printk(KERN_WARNING "vroot: invalid max_vroot " -+ "(must be between 1 and 256), " -+ "using default (%d)\n", max_vroot); -+ } -+ -+ if (register_blkdev(VROOT_MAJOR, "vroot")) -+ return -EIO; -+ -+ err = -ENOMEM; -+ vroot_dev = kmalloc(max_vroot * sizeof(struct vroot_device), GFP_KERNEL); -+ if (!vroot_dev) -+ goto out_mem1; -+ memset(vroot_dev, 0, max_vroot * sizeof(struct vroot_device)); -+ -+ disks = kmalloc(max_vroot * sizeof(struct gendisk *), GFP_KERNEL); -+ if (!disks) -+ goto out_mem2; -+ -+ for (i = 0; i < max_vroot; i++) { -+ disks[i] = alloc_disk(1); -+ if (!disks[i]) -+ goto out_mem3; -+ } -+ -+ for (i = 0; i < max_vroot; i++) { -+ struct vroot_device *vr = &vroot_dev[i]; -+ struct gendisk *disk = disks[i]; -+ -+ memset(vr, 0, sizeof(*vr)); -+ init_MUTEX(&vr->vr_ctl_mutex); -+ vr->vr_number = i; -+ disk->major = VROOT_MAJOR; -+ disk->first_minor = i; -+ disk->fops = &vr_fops; -+ sprintf(disk->disk_name, "vroot%d", i); -+ disk->private_data = vr; -+ } -+ -+ err = register_vroot_grb(&__vroot_get_real_bdev); -+ if (err) -+ goto out_mem3; -+ -+ for (i = 0; i < max_vroot; i++) -+ add_disk(disks[i]); -+ printk(KERN_INFO "vroot: loaded (max %d devices)\n", max_vroot); -+ return 0; -+ -+out_mem3: -+ while (i--) -+ put_disk(disks[i]); -+ kfree(disks); -+out_mem2: -+ kfree(vroot_dev); -+out_mem1: -+ unregister_blkdev(VROOT_MAJOR, "vroot"); -+ printk(KERN_ERR "vroot: ran out of memory\n"); -+ return err; -+} -+ -+void vroot_exit(void) -+{ -+ int i; -+ -+ if (unregister_vroot_grb(&__vroot_get_real_bdev)) -+ printk(KERN_WARNING "vroot: cannot unregister grb\n"); -+ -+ for (i = 0; i < max_vroot; i++) { -+ del_gendisk(disks[i]); -+ put_disk(disks[i]); -+ } -+ if (unregister_blkdev(VROOT_MAJOR, "vroot")) -+ printk(KERN_WARNING "vroot: cannot unregister blkdev\n"); -+ -+ kfree(disks); -+ kfree(vroot_dev); -+} -+ -+module_init(vroot_init); -+module_exit(vroot_exit); -+ -+#ifndef MODULE -+ -+static int __init max_vroot_setup(char *str) -+{ -+ max_vroot = simple_strtol(str, NULL, 0); -+ return 1; -+} -+ -+__setup("max_vroot=", max_vroot_setup); -+ -+#endif -+ -Index: linux-2.6.18/drivers/char/random.c -=================================================================== ---- linux-2.6.18.orig/drivers/char/random.c -+++ linux-2.6.18/drivers/char/random.c -@@ -1173,7 +1173,7 @@ static char sysctl_bootid[16]; - static int proc_do_uuid(ctl_table *table, int write, struct file *filp, - void __user *buffer, size_t *lenp, loff_t *ppos) - { -- ctl_table fake_table; -+ ctl_table fake_table = {0}; - unsigned char buf[64], tmp_uuid[16], *uuid; - - uuid = table->data; -Index: linux-2.6.18/drivers/char/tty_io.c -=================================================================== ---- linux-2.6.18.orig/drivers/char/tty_io.c -+++ linux-2.6.18/drivers/char/tty_io.c -@@ -103,6 +103,7 @@ - #include <linux/selection.h> - - #include <linux/kmod.h> -+#include <linux/vs_cvirt.h> - - #undef TTY_DEBUG_HANGUP - -@@ -2940,13 +2941,16 @@ static int tiocsctty(struct tty_struct * - - static int tiocgpgrp(struct tty_struct *tty, struct tty_struct *real_tty, pid_t __user *p) - { -+ pid_t pgrp; - /* - * (tty == real_tty) is a cheap way of - * testing if the tty is NOT a master pty. - */ - if (tty == real_tty && current->signal->tty != real_tty) - return -ENOTTY; -- return put_user(real_tty->pgrp, p); -+ -+ pgrp = vx_map_pid(real_tty->pgrp); -+ return put_user(pgrp, p); - } - - /** -@@ -2978,6 +2982,8 @@ static int tiocspgrp(struct tty_struct * - return -ENOTTY; - if (get_user(pgrp, p)) - return -EFAULT; -+ -+ pgrp = vx_rmap_pid(pgrp); - if (pgrp < 0) - return -EINVAL; - if (session_of_pgrp(pgrp) != current->signal->session) -Index: linux-2.6.18/drivers/infiniband/core/uverbs_mem.c -=================================================================== ---- linux-2.6.18.orig/drivers/infiniband/core/uverbs_mem.c -+++ linux-2.6.18/drivers/infiniband/core/uverbs_mem.c -@@ -36,6 +36,7 @@ - - #include <linux/mm.h> - #include <linux/dma-mapping.h> -+#include <linux/vs_memory.h> - - #include "uverbs.h" - -@@ -161,7 +162,7 @@ out: - if (ret < 0) - __ib_umem_release(dev, mem, 0); - else -- current->mm->locked_vm = locked; -+ vx_vmlocked_sub(current->mm, current->mm->locked_vm - locked); - - up_write(¤t->mm->mmap_sem); - free_page((unsigned long) page_list); -@@ -174,8 +175,8 @@ void ib_umem_release(struct ib_device *d - __ib_umem_release(dev, umem, 1); - - down_write(¤t->mm->mmap_sem); -- current->mm->locked_vm -= -- PAGE_ALIGN(umem->length + umem->offset) >> PAGE_SHIFT; -+ vx_vmlocked_sub(current->mm, -+ PAGE_ALIGN(umem->length + umem->offset) >> PAGE_SHIFT); - up_write(¤t->mm->mmap_sem); - } - -@@ -184,7 +185,7 @@ static void ib_umem_account(void *work_p - struct ib_umem_account_work *work = work_ptr; - - down_write(&work->mm->mmap_sem); -- work->mm->locked_vm -= work->diff; -+ vx_vmlocked_sub(work->mm, work->diff); - up_write(&work->mm->mmap_sem); - mmput(work->mm); - kfree(work); -Index: linux-2.6.18/drivers/infiniband/hw/ipath/ipath_user_pages.c -=================================================================== ---- linux-2.6.18.orig/drivers/infiniband/hw/ipath/ipath_user_pages.c -+++ linux-2.6.18/drivers/infiniband/hw/ipath/ipath_user_pages.c -@@ -33,6 +33,7 @@ - - #include <linux/mm.h> - #include <linux/device.h> -+#include <linux/vs_memory.h> - - #include "ipath_kernel.h" - -@@ -61,7 +62,8 @@ static int __get_user_pages(unsigned lon - lock_limit = current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur >> - PAGE_SHIFT; - -- if (num_pages > lock_limit) { -+ if (num_pages > lock_limit || -+ !vx_vmlocked_avail(current->mm, num_pages)) { - ret = -ENOMEM; - goto bail; - } -@@ -78,7 +80,7 @@ static int __get_user_pages(unsigned lon - goto bail_release; - } - -- current->mm->locked_vm += num_pages; -+ vx_vmlocked_add(current->mm, num_pages); - - ret = 0; - goto bail; -@@ -147,7 +149,7 @@ void ipath_release_user_pages(struct pag - - __ipath_release_user_pages(p, num_pages, 1); - -- current->mm->locked_vm -= num_pages; -+ vx_vmlocked_sub(current->mm, num_pages); - - up_write(¤t->mm->mmap_sem); - } -@@ -163,7 +165,7 @@ static void user_pages_account(void *ptr - struct ipath_user_pages_work *work = ptr; - - down_write(&work->mm->mmap_sem); -- work->mm->locked_vm -= work->num_pages; -+ vx_vmlocked_sub(work->mm, work->num_pages); - up_write(&work->mm->mmap_sem); - mmput(work->mm); - kfree(work); -Index: linux-2.6.18/fs/attr.c -=================================================================== ---- linux-2.6.18.orig/fs/attr.c -+++ linux-2.6.18/fs/attr.c -@@ -15,6 +15,9 @@ - #include <linux/fcntl.h> - #include <linux/quotaops.h> - #include <linux/security.h> -+#include <linux/proc_fs.h> -+#include <linux/devpts_fs.h> -+#include <linux/vserver/debug.h> - - /* Taken over from the old code... */ - -@@ -56,6 +59,28 @@ int inode_change_ok(struct inode *inode, - if (current->fsuid != inode->i_uid && !capable(CAP_FOWNER)) - goto error; - } -+ -+ /* Check for evil vserver activity */ -+ if (vx_check(0, VX_ADMIN)) -+ goto fine; -+ -+ if (IS_BARRIER(inode)) { -+ vxwprintk(1, "xid=%d messing with the barrier.", -+ vx_current_xid()); -+ goto error; -+ } -+ switch (inode->i_sb->s_magic) { -+ case PROC_SUPER_MAGIC: -+ vxwprintk(1, "xid=%d messing with the procfs.", -+ vx_current_xid()); -+ goto error; -+ case DEVPTS_SUPER_MAGIC: -+ if (vx_check(inode->i_xid, VX_IDENT)) -+ goto fine; -+ vxwprintk(1, "xid=%d messing with the devpts.", -+ vx_current_xid()); -+ goto error; -+ } - fine: - retval = 0; - error: -@@ -79,6 +104,8 @@ int inode_setattr(struct inode * inode, - inode->i_uid = attr->ia_uid; - if (ia_valid & ATTR_GID) - inode->i_gid = attr->ia_gid; -+ if ((ia_valid & ATTR_XID) && IS_TAGXID(inode)) -+ inode->i_xid = attr->ia_xid; - if (ia_valid & ATTR_ATIME) - inode->i_atime = timespec_trunc(attr->ia_atime, - inode->i_sb->s_time_gran); -@@ -153,7 +180,8 @@ int notify_change(struct dentry * dentry - error = security_inode_setattr(dentry, attr); - if (!error) { - if ((ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid) || -- (ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid)) -+ (ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid) || -+ (ia_valid & ATTR_XID && attr->ia_xid != inode->i_xid)) - error = DQUOT_TRANSFER(inode, attr) ? -EDQUOT : 0; - if (!error) - error = inode_setattr(inode, attr); -Index: linux-2.6.18/fs/binfmt_aout.c -=================================================================== ---- linux-2.6.18.orig/fs/binfmt_aout.c -+++ linux-2.6.18/fs/binfmt_aout.c -@@ -24,6 +24,7 @@ - #include <linux/binfmts.h> - #include <linux/personality.h> - #include <linux/init.h> -+#include <linux/vs_memory.h> - - #include <asm/system.h> - #include <asm/uaccess.h> -Index: linux-2.6.18/fs/binfmt_elf.c -=================================================================== ---- linux-2.6.18.orig/fs/binfmt_elf.c -+++ linux-2.6.18/fs/binfmt_elf.c -@@ -39,6 +39,8 @@ - #include <linux/syscalls.h> - #include <linux/random.h> - #include <linux/elf.h> -+#include <linux/vs_memory.h> -+#include <linux/vs_cvirt.h> - #include <asm/uaccess.h> - #include <asm/param.h> - #include <asm/page.h> -Index: linux-2.6.18/fs/binfmt_elf_fdpic.c -=================================================================== ---- linux-2.6.18.orig/fs/binfmt_elf_fdpic.c -+++ linux-2.6.18/fs/binfmt_elf_fdpic.c -@@ -34,6 +34,7 @@ - #include <linux/elf.h> - #include <linux/elf-fdpic.h> - #include <linux/elfcore.h> -+#include <linux/vs_cvirt.h> - - #include <asm/uaccess.h> - #include <asm/param.h> -Index: linux-2.6.18/fs/binfmt_flat.c -=================================================================== ---- linux-2.6.18.orig/fs/binfmt_flat.c -+++ linux-2.6.18/fs/binfmt_flat.c -@@ -36,6 +36,7 @@ - #include <linux/init.h> - #include <linux/flat.h> - #include <linux/syscalls.h> -+#include <linux/vs_memory.h> - - #include <asm/byteorder.h> - #include <asm/system.h> -Index: linux-2.6.18/fs/binfmt_som.c -=================================================================== ---- linux-2.6.18.orig/fs/binfmt_som.c -+++ linux-2.6.18/fs/binfmt_som.c -@@ -28,6 +28,7 @@ - #include <linux/shm.h> - #include <linux/personality.h> - #include <linux/init.h> -+#include <linux/vs_memory.h> - - #include <asm/uaccess.h> - #include <asm/pgtable.h> -Index: linux-2.6.18/fs/devpts/inode.c -=================================================================== ---- linux-2.6.18.orig/fs/devpts/inode.c -+++ linux-2.6.18/fs/devpts/inode.c -@@ -20,7 +20,19 @@ - #include <linux/devpts_fs.h> - #include <linux/parser.h> - --#define DEVPTS_SUPER_MAGIC 0x1cd1 -+ -+static int devpts_permission(struct inode *inode, int mask, struct nameidata *nd) -+{ -+ int ret = -EACCES; -+ -+ if (vx_check(inode->i_xid, VX_IDENT)) -+ ret = generic_permission(inode, mask, NULL); -+ return ret; -+} -+ -+static struct inode_operations devpts_file_inode_operations = { -+ .permission = devpts_permission, -+}; - - static struct vfsmount *devpts_mnt; - static struct dentry *devpts_root; -@@ -91,6 +103,24 @@ static int devpts_remount(struct super_b - return 0; - } - -+static int devpts_filter(struct dentry *de) -+{ -+ return vx_check(de->d_inode->i_xid, VX_IDENT); -+} -+ -+static int devpts_readdir(struct file * filp, void * dirent, filldir_t filldir) -+{ -+ return dcache_readdir_filter(filp, dirent, filldir, devpts_filter); -+} -+ -+static struct file_operations devpts_dir_operations = { -+ .open = dcache_dir_open, -+ .release = dcache_dir_close, -+ .llseek = dcache_dir_lseek, -+ .read = generic_read_dir, -+ .readdir = devpts_readdir, -+}; -+ - static struct super_operations devpts_sops = { - .statfs = simple_statfs, - .remount_fs = devpts_remount, -@@ -117,8 +147,9 @@ devpts_fill_super(struct super_block *s, - inode->i_uid = inode->i_gid = 0; - inode->i_mode = S_IFDIR | S_IRUGO | S_IXUGO | S_IWUSR; - inode->i_op = &simple_dir_inode_operations; -- inode->i_fop = &simple_dir_operations; -+ inode->i_fop = &devpts_dir_operations; - inode->i_nlink = 2; -+ inode->i_xid = vx_current_xid(); - - devpts_root = s->s_root = d_alloc_root(inode); - if (s->s_root) -@@ -177,6 +208,8 @@ int devpts_pty_new(struct tty_struct *tt - inode->i_gid = config.setgid ? config.gid : current->fsgid; - inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME; - init_special_inode(inode, S_IFCHR|config.mode, device); -+ inode->i_xid = vx_current_xid(); -+ inode->i_op = &devpts_file_inode_operations; - inode->u.generic_ip = tty; - - dentry = get_node(number); -Index: linux-2.6.18/fs/exec.c -=================================================================== ---- linux-2.6.18.orig/fs/exec.c -+++ linux-2.6.18/fs/exec.c -@@ -49,6 +49,8 @@ - #include <linux/acct.h> - #include <linux/cn_proc.h> - #include <linux/audit.h> -+#include <linux/vs_memory.h> -+#include <linux/vs_cvirt.h> - - #include <asm/uaccess.h> - #include <asm/mmu_context.h> -@@ -436,7 +438,8 @@ int setup_arg_pages(struct linux_binprm - kmem_cache_free(vm_area_cachep, mpnt); - return ret; - } -- mm->stack_vm = mm->total_vm = vma_pages(mpnt); -+ vx_vmpages_sub(mm, mm->total_vm - vma_pages(mpnt)); -+ mm->stack_vm = mm->total_vm; - } - - for (i = 0 ; i < MAX_ARG_PAGES ; i++) { -@@ -1322,7 +1325,7 @@ static void format_corename(char *corena - case 'h': - down_read(&uts_sem); - rc = snprintf(out_ptr, out_end - out_ptr, -- "%s", system_utsname.nodename); -+ "%s", vx_new_uts(nodename)); - up_read(&uts_sem); - if (rc > out_end - out_ptr) - goto out; -Index: linux-2.6.18/fs/ext2/balloc.c -=================================================================== ---- linux-2.6.18.orig/fs/ext2/balloc.c -+++ linux-2.6.18/fs/ext2/balloc.c -@@ -16,6 +16,7 @@ - #include <linux/sched.h> - #include <linux/buffer_head.h> - #include <linux/capability.h> -+#include <linux/vs_dlimit.h> - - /* - * balloc.c contains the blocks allocation and deallocation routines -@@ -102,12 +103,14 @@ static int reserve_blocks(struct super_b - { - struct ext2_sb_info *sbi = EXT2_SB(sb); - struct ext2_super_block *es = sbi->s_es; -- unsigned free_blocks; -- unsigned root_blocks; -+ unsigned long free_blocks; -+ unsigned long root_blocks; - - free_blocks = percpu_counter_read_positive(&sbi->s_freeblocks_counter); - root_blocks = le32_to_cpu(es->s_r_blocks_count); - -+ DLIMIT_ADJUST_BLOCK(sb, vx_current_xid(), &free_blocks, &root_blocks); -+ - if (free_blocks < count) - count = free_blocks; - -@@ -258,6 +261,7 @@ do_more: - } - error_return: - brelse(bitmap_bh); -+ DLIMIT_FREE_BLOCK(inode, freed); - release_blocks(sb, freed); - DQUOT_FREE_BLOCK(inode, freed); - } -@@ -361,6 +365,10 @@ int ext2_new_block(struct inode *inode, - *err = -ENOSPC; - goto out_dquot; - } -+ if (DLIMIT_ALLOC_BLOCK(inode, es_alloc)) { -+ *err = -ENOSPC; -+ goto out_dlimit; -+ } - - ext2_debug ("goal=%lu.\n", goal); - -@@ -508,6 +516,8 @@ got_block: - *err = 0; - out_release: - group_release_blocks(sb, group_no, desc, gdp_bh, group_alloc); -+ DLIMIT_FREE_BLOCK(inode, es_alloc); -+out_dlimit: - release_blocks(sb, es_alloc); - out_dquot: - DQUOT_FREE_BLOCK(inode, dq_alloc); -Index: linux-2.6.18/fs/ext2/ext2.h -=================================================================== ---- linux-2.6.18.orig/fs/ext2/ext2.h -+++ linux-2.6.18/fs/ext2/ext2.h -@@ -165,6 +165,7 @@ extern const struct file_operations ext2 - extern const struct address_space_operations ext2_aops; - extern const struct address_space_operations ext2_aops_xip; - extern const struct address_space_operations ext2_nobh_aops; -+extern int ext2_sync_flags(struct inode *inode); - - /* namei.c */ - extern struct inode_operations ext2_dir_inode_operations; -Index: linux-2.6.18/fs/ext2/file.c -=================================================================== ---- linux-2.6.18.orig/fs/ext2/file.c -+++ linux-2.6.18/fs/ext2/file.c -@@ -81,4 +81,5 @@ struct inode_operations ext2_file_inode_ - #endif - .setattr = ext2_setattr, - .permission = ext2_permission, -+ .sync_flags = ext2_sync_flags, - }; -Index: linux-2.6.18/fs/ext2/ialloc.c -=================================================================== ---- linux-2.6.18.orig/fs/ext2/ialloc.c -+++ linux-2.6.18/fs/ext2/ialloc.c -@@ -17,6 +17,8 @@ - #include <linux/backing-dev.h> - #include <linux/buffer_head.h> - #include <linux/random.h> -+#include <linux/vs_dlimit.h> -+#include <linux/vserver/xid.h> - #include "ext2.h" - #include "xattr.h" - #include "acl.h" -@@ -125,6 +127,7 @@ void ext2_free_inode (struct inode * ino - ext2_xattr_delete_inode(inode); - DQUOT_FREE_INODE(inode); - DQUOT_DROP(inode); -+ DLIMIT_FREE_INODE(inode); - } - - es = EXT2_SB(sb)->s_es; -@@ -464,6 +467,11 @@ struct inode *ext2_new_inode(struct inod - if (!inode) - return ERR_PTR(-ENOMEM); - -+ inode->i_xid = vx_current_fsxid(sb); -+ if (DLIMIT_ALLOC_INODE(inode)) { -+ err = -ENOSPC; -+ goto fail_dlim; -+ } - ei = EXT2_I(inode); - sbi = EXT2_SB(sb); - es = sbi->s_es; -@@ -578,7 +586,8 @@ got: - inode->i_blocks = 0; - inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC; - memset(ei->i_data, 0, sizeof(ei->i_data)); -- ei->i_flags = EXT2_I(dir)->i_flags & ~EXT2_BTREE_FL; -+ ei->i_flags = EXT2_I(dir)->i_flags & -+ ~(EXT2_BTREE_FL|EXT2_IUNLINK_FL|EXT2_BARRIER_FL); - if (S_ISLNK(mode)) - ei->i_flags &= ~(EXT2_IMMUTABLE_FL|EXT2_APPEND_FL); - /* dirsync is only applied to directories */ -@@ -626,12 +635,15 @@ fail_free_drop: - - fail_drop: - DQUOT_DROP(inode); -+ DLIMIT_FREE_INODE(inode); - inode->i_flags |= S_NOQUOTA; - inode->i_nlink = 0; - iput(inode); - return ERR_PTR(err); - - fail: -+ DLIMIT_FREE_INODE(inode); -+fail_dlim: - make_bad_inode(inode); - iput(inode); - return ERR_PTR(err); -Index: linux-2.6.18/fs/ext2/inode.c -=================================================================== ---- linux-2.6.18.orig/fs/ext2/inode.c -+++ linux-2.6.18/fs/ext2/inode.c -@@ -31,6 +31,7 @@ - #include <linux/writeback.h> - #include <linux/buffer_head.h> - #include <linux/mpage.h> -+#include <linux/vserver/xid.h> - #include "ext2.h" - #include "acl.h" - #include "xip.h" -@@ -913,7 +914,7 @@ void ext2_truncate (struct inode * inode - return; - if (ext2_inode_is_fast_symlink(inode)) - return; -- if (IS_APPEND(inode) || IS_IMMUTABLE(inode)) -+ if (IS_APPEND(inode) || IS_IXORUNLINK(inode)) - return; - - ext2_discard_prealloc(inode); -@@ -1042,25 +1043,70 @@ void ext2_set_inode_flags(struct inode * - { - unsigned int flags = EXT2_I(inode)->i_flags; - -- inode->i_flags &= ~(S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC); -+ inode->i_flags &= ~(S_IMMUTABLE | S_IUNLINK | S_BARRIER | -+ S_SYNC | S_APPEND | S_NOATIME | S_DIRSYNC); -+ -+ if (flags & EXT2_IMMUTABLE_FL) -+ inode->i_flags |= S_IMMUTABLE; -+ if (flags & EXT2_IUNLINK_FL) -+ inode->i_flags |= S_IUNLINK; -+ if (flags & EXT2_BARRIER_FL) -+ inode->i_flags |= S_BARRIER; -+ - if (flags & EXT2_SYNC_FL) - inode->i_flags |= S_SYNC; - if (flags & EXT2_APPEND_FL) - inode->i_flags |= S_APPEND; -- if (flags & EXT2_IMMUTABLE_FL) -- inode->i_flags |= S_IMMUTABLE; - if (flags & EXT2_NOATIME_FL) - inode->i_flags |= S_NOATIME; - if (flags & EXT2_DIRSYNC_FL) - inode->i_flags |= S_DIRSYNC; - } - -+int ext2_sync_flags(struct inode *inode) -+{ -+ unsigned int oldflags, newflags; -+ -+ oldflags = EXT2_I(inode)->i_flags; -+ newflags = oldflags & ~(EXT2_APPEND_FL | -+ EXT2_IMMUTABLE_FL | EXT2_IUNLINK_FL | -+ EXT2_BARRIER_FL | EXT2_NOATIME_FL | -+ EXT2_SYNC_FL | EXT2_DIRSYNC_FL); -+ -+ if (IS_APPEND(inode)) -+ newflags |= EXT2_APPEND_FL; -+ if (IS_IMMUTABLE(inode)) -+ newflags |= EXT2_IMMUTABLE_FL; -+ if (IS_IUNLINK(inode)) -+ newflags |= EXT2_IUNLINK_FL; -+ if (IS_BARRIER(inode)) -+ newflags |= EXT2_BARRIER_FL; -+ -+ /* we do not want to copy superblock flags */ -+ if (inode->i_flags & S_NOATIME) -+ newflags |= EXT2_NOATIME_FL; -+ if (inode->i_flags & S_SYNC) -+ newflags |= EXT2_SYNC_FL; -+ if (inode->i_flags & S_DIRSYNC) -+ newflags |= EXT2_DIRSYNC_FL; -+ -+ if (oldflags ^ newflags) { -+ EXT2_I(inode)->i_flags = newflags; -+ inode->i_ctime = CURRENT_TIME; -+ mark_inode_dirty(inode); -+ } -+ -+ return 0; -+} -+ - void ext2_read_inode (struct inode * inode) - { - struct ext2_inode_info *ei = EXT2_I(inode); - ino_t ino = inode->i_ino; - struct buffer_head * bh; - struct ext2_inode * raw_inode = ext2_get_inode(inode->i_sb, ino, &bh); -+ uid_t uid; -+ gid_t gid; - int n; - - #ifdef CONFIG_EXT2_FS_POSIX_ACL -@@ -1071,12 +1117,17 @@ void ext2_read_inode (struct inode * ino - goto bad_inode; - - inode->i_mode = le16_to_cpu(raw_inode->i_mode); -- inode->i_uid = (uid_t)le16_to_cpu(raw_inode->i_uid_low); -- inode->i_gid = (gid_t)le16_to_cpu(raw_inode->i_gid_low); -+ uid = (uid_t)le16_to_cpu(raw_inode->i_uid_low); -+ gid = (gid_t)le16_to_cpu(raw_inode->i_gid_low); - if (!(test_opt (inode->i_sb, NO_UID32))) { -- inode->i_uid |= le16_to_cpu(raw_inode->i_uid_high) << 16; -- inode->i_gid |= le16_to_cpu(raw_inode->i_gid_high) << 16; -+ uid |= le16_to_cpu(raw_inode->i_uid_high) << 16; -+ gid |= le16_to_cpu(raw_inode->i_gid_high) << 16; - } -+ inode->i_uid = INOXID_UID(XID_TAG(inode), uid, gid); -+ inode->i_gid = INOXID_GID(XID_TAG(inode), uid, gid); -+ inode->i_xid = INOXID_XID(XID_TAG(inode), uid, gid, -+ le16_to_cpu(raw_inode->i_raw_xid)); -+ - inode->i_nlink = le16_to_cpu(raw_inode->i_links_count); - inode->i_size = le32_to_cpu(raw_inode->i_size); - inode->i_atime.tv_sec = le32_to_cpu(raw_inode->i_atime); -@@ -1174,8 +1225,8 @@ static int ext2_update_inode(struct inod - struct ext2_inode_info *ei = EXT2_I(inode); - struct super_block *sb = inode->i_sb; - ino_t ino = inode->i_ino; -- uid_t uid = inode->i_uid; -- gid_t gid = inode->i_gid; -+ uid_t uid = XIDINO_UID(XID_TAG(inode), inode->i_uid, inode->i_xid); -+ gid_t gid = XIDINO_GID(XID_TAG(inode), inode->i_gid, inode->i_xid); - struct buffer_head * bh; - struct ext2_inode * raw_inode = ext2_get_inode(sb, ino, &bh); - int n; -@@ -1210,6 +1261,9 @@ static int ext2_update_inode(struct inod - raw_inode->i_uid_high = 0; - raw_inode->i_gid_high = 0; - } -+#ifdef CONFIG_INOXID_INTERN -+ raw_inode->i_raw_xid = cpu_to_le16(inode->i_xid); -+#endif - raw_inode->i_links_count = cpu_to_le16(inode->i_nlink); - raw_inode->i_size = cpu_to_le32(inode->i_size); - raw_inode->i_atime = cpu_to_le32(inode->i_atime.tv_sec); -@@ -1296,7 +1350,8 @@ int ext2_setattr(struct dentry *dentry, - if (error) - return error; - if ((iattr->ia_valid & ATTR_UID && iattr->ia_uid != inode->i_uid) || -- (iattr->ia_valid & ATTR_GID && iattr->ia_gid != inode->i_gid)) { -+ (iattr->ia_valid & ATTR_GID && iattr->ia_gid != inode->i_gid) || -+ (iattr->ia_valid & ATTR_XID && iattr->ia_xid != inode->i_xid)) { - error = DQUOT_TRANSFER(inode, iattr) ? -EDQUOT : 0; - if (error) - return error; -Index: linux-2.6.18/fs/ext2/ioctl.c -=================================================================== ---- linux-2.6.18.orig/fs/ext2/ioctl.c -+++ linux-2.6.18/fs/ext2/ioctl.c -@@ -11,6 +11,7 @@ - #include <linux/capability.h> - #include <linux/time.h> - #include <linux/sched.h> -+#include <linux/mount.h> - #include <asm/current.h> - #include <asm/uaccess.h> - -@@ -30,7 +31,8 @@ int ext2_ioctl (struct inode * inode, st - case EXT2_IOC_SETFLAGS: { - unsigned int oldflags; - -- if (IS_RDONLY(inode)) -+ if (IS_RDONLY(inode) || -+ (filp && MNT_IS_RDONLY(filp->f_vfsmnt))) - return -EROFS; - - if ((current->fsuid != inode->i_uid) && !capable(CAP_FOWNER)) -@@ -50,7 +52,9 @@ int ext2_ioctl (struct inode * inode, st - * - * This test looks nicer. Thanks to Pauline Middelink - */ -- if ((flags ^ oldflags) & (EXT2_APPEND_FL | EXT2_IMMUTABLE_FL)) { -+ if ((oldflags & EXT2_IMMUTABLE_FL) || -+ ((flags ^ oldflags) & (EXT2_APPEND_FL | -+ EXT2_IMMUTABLE_FL | EXT2_IUNLINK_FL))) { - if (!capable(CAP_LINUX_IMMUTABLE)) - return -EPERM; - } -@@ -69,7 +73,8 @@ int ext2_ioctl (struct inode * inode, st - case EXT2_IOC_SETVERSION: - if ((current->fsuid != inode->i_uid) && !capable(CAP_FOWNER)) - return -EPERM; -- if (IS_RDONLY(inode)) -+ if (IS_RDONLY(inode) || -+ (filp && MNT_IS_RDONLY(filp->f_vfsmnt))) - return -EROFS; - if (get_user(inode->i_generation, (int __user *) arg)) - return -EFAULT; -Index: linux-2.6.18/fs/ext2/namei.c -=================================================================== ---- linux-2.6.18.orig/fs/ext2/namei.c -+++ linux-2.6.18/fs/ext2/namei.c -@@ -31,6 +31,7 @@ - */ - - #include <linux/pagemap.h> -+#include <linux/vserver/xid.h> - #include "ext2.h" - #include "xattr.h" - #include "acl.h" -@@ -66,6 +67,7 @@ static struct dentry *ext2_lookup(struct - inode = iget(dir->i_sb, ino); - if (!inode) - return ERR_PTR(-EACCES); -+ vx_propagate_xid(nd, inode); - } - return d_splice_alias(inode, dentry); - } -@@ -391,6 +393,7 @@ struct inode_operations ext2_dir_inode_o - #endif - .setattr = ext2_setattr, - .permission = ext2_permission, -+ .sync_flags = ext2_sync_flags, - }; - - struct inode_operations ext2_special_inode_operations = { -@@ -402,4 +405,5 @@ struct inode_operations ext2_special_ino - #endif - .setattr = ext2_setattr, - .permission = ext2_permission, -+ .sync_flags = ext2_sync_flags, - }; -Index: linux-2.6.18/fs/ext2/super.c -=================================================================== ---- linux-2.6.18.orig/fs/ext2/super.c -+++ linux-2.6.18/fs/ext2/super.c -@@ -325,7 +325,7 @@ enum { - Opt_err_ro, Opt_nouid32, Opt_nocheck, Opt_debug, - Opt_oldalloc, Opt_orlov, Opt_nobh, Opt_user_xattr, Opt_nouser_xattr, - Opt_acl, Opt_noacl, Opt_xip, Opt_ignore, Opt_err, Opt_quota, -- Opt_usrquota, Opt_grpquota -+ Opt_usrquota, Opt_grpquota, Opt_tagxid - }; - - static match_table_t tokens = { -@@ -353,6 +353,7 @@ static match_table_t tokens = { - {Opt_acl, "acl"}, - {Opt_noacl, "noacl"}, - {Opt_xip, "xip"}, -+ {Opt_tagxid, "tagxid"}, - {Opt_grpquota, "grpquota"}, - {Opt_ignore, "noquota"}, - {Opt_quota, "quota"}, -@@ -416,6 +417,11 @@ static int parse_options (char * options - case Opt_nouid32: - set_opt (sbi->s_mount_opt, NO_UID32); - break; -+#ifndef CONFIG_INOXID_NONE -+ case Opt_tagxid: -+ set_opt (sbi->s_mount_opt, TAGXID); -+ break; -+#endif - case Opt_nocheck: - clear_opt (sbi->s_mount_opt, CHECK); - break; -@@ -717,6 +723,8 @@ static int ext2_fill_super(struct super_ - if (!parse_options ((char *) data, sbi)) - goto failed_mount; - -+ if (EXT2_SB(sb)->s_mount_opt & EXT2_MOUNT_TAGXID) -+ sb->s_flags |= MS_TAGXID; - sb->s_flags = (sb->s_flags & ~MS_POSIXACL) | - ((EXT2_SB(sb)->s_mount_opt & EXT2_MOUNT_POSIX_ACL) ? - MS_POSIXACL : 0); -@@ -1026,6 +1034,13 @@ static int ext2_remount (struct super_bl - goto restore_opts; - } - -+ if ((sbi->s_mount_opt & EXT2_MOUNT_TAGXID) && -+ !(sb->s_flags & MS_TAGXID)) { -+ printk("EXT2-fs: %s: tagxid not permitted on remount.\n", -+ sb->s_id); -+ return -EINVAL; -+ } -+ - sb->s_flags = (sb->s_flags & ~MS_POSIXACL) | - ((sbi->s_mount_opt & EXT2_MOUNT_POSIX_ACL) ? MS_POSIXACL : 0); - -Index: linux-2.6.18/fs/ext2/symlink.c -=================================================================== ---- linux-2.6.18.orig/fs/ext2/symlink.c -+++ linux-2.6.18/fs/ext2/symlink.c -@@ -38,6 +38,7 @@ struct inode_operations ext2_symlink_ino - .listxattr = ext2_listxattr, - .removexattr = generic_removexattr, - #endif -+ .sync_flags = ext2_sync_flags, - }; - - struct inode_operations ext2_fast_symlink_inode_operations = { -@@ -49,4 +50,5 @@ struct inode_operations ext2_fast_symlin - .listxattr = ext2_listxattr, - .removexattr = generic_removexattr, - #endif -+ .sync_flags = ext2_sync_flags, - }; -Index: linux-2.6.18/fs/ext2/xattr.c -=================================================================== ---- linux-2.6.18.orig/fs/ext2/xattr.c -+++ linux-2.6.18/fs/ext2/xattr.c -@@ -60,6 +60,7 @@ - #include <linux/mbcache.h> - #include <linux/quotaops.h> - #include <linux/rwsem.h> -+#include <linux/vs_dlimit.h> - #include "ext2.h" - #include "xattr.h" - #include "acl.h" -@@ -645,8 +646,12 @@ ext2_xattr_set2(struct inode *inode, str - the inode. */ - ea_bdebug(new_bh, "reusing block"); - -+ error = -ENOSPC; -+ if (DLIMIT_ALLOC_BLOCK(inode, 1)) -+ goto cleanup; - error = -EDQUOT; - if (DQUOT_ALLOC_BLOCK(inode, 1)) { -+ DLIMIT_FREE_BLOCK(inode, 1); - unlock_buffer(new_bh); - goto cleanup; - } -@@ -740,6 +745,7 @@ ext2_xattr_set2(struct inode *inode, str - le32_to_cpu(HDR(old_bh)->h_refcount) - 1); - if (ce) - mb_cache_entry_release(ce); -+ DLIMIT_FREE_BLOCK(inode, 1); - DQUOT_FREE_BLOCK(inode, 1); - mark_buffer_dirty(old_bh); - ea_bdebug(old_bh, "refcount now=%d", -@@ -804,6 +810,7 @@ ext2_xattr_delete_inode(struct inode *in - mark_buffer_dirty(bh); - if (IS_SYNC(inode)) - sync_dirty_buffer(bh); -+ DLIMIT_FREE_BLOCK(inode, 1); - DQUOT_FREE_BLOCK(inode, 1); - } - EXT2_I(inode)->i_file_acl = 0; -Index: linux-2.6.18/fs/ext3/balloc.c -=================================================================== ---- linux-2.6.18.orig/fs/ext3/balloc.c -+++ linux-2.6.18/fs/ext3/balloc.c -@@ -19,6 +19,7 @@ - #include <linux/ext3_jbd.h> - #include <linux/quotaops.h> - #include <linux/buffer_head.h> -+#include <linux/vs_dlimit.h> - - /* - * balloc.c contains the blocks allocation and deallocation routines -@@ -503,8 +504,10 @@ void ext3_free_blocks(handle_t *handle, - return; - } - ext3_free_blocks_sb(handle, sb, block, count, &dquot_freed_blocks); -- if (dquot_freed_blocks) -+ if (dquot_freed_blocks) { -+ DLIMIT_FREE_BLOCK(inode, dquot_freed_blocks); - DQUOT_FREE_BLOCK(inode, dquot_freed_blocks); -+ } - return; - } - -@@ -1161,18 +1164,33 @@ out: - return ret; - } - --static int ext3_has_free_blocks(struct ext3_sb_info *sbi) -+static int ext3_has_free_blocks(struct super_block *sb) - { -+ struct ext3_sb_info *sbi = EXT3_SB(sb); - ext3_fsblk_t free_blocks, root_blocks; -+ int cond; - - free_blocks = percpu_counter_read_positive(&sbi->s_freeblocks_counter); - root_blocks = le32_to_cpu(sbi->s_es->s_r_blocks_count); -- if (free_blocks < root_blocks + 1 && !capable(CAP_SYS_RESOURCE) && -+ -+ vxdprintk(VXD_CBIT(dlim, 3), -+ "ext3_has_free_blocks(%p): free=%lu, root=%lu", -+ sb, free_blocks, root_blocks); -+ -+ DLIMIT_ADJUST_BLOCK(sb, vx_current_xid(), &free_blocks, &root_blocks); -+ -+ cond = (free_blocks < root_blocks + 1 && -+ !capable(CAP_SYS_RESOURCE) && - sbi->s_resuid != current->fsuid && -- (sbi->s_resgid == 0 || !in_group_p (sbi->s_resgid))) { -- return 0; -- } -- return 1; -+ (sbi->s_resgid == 0 || !in_group_p (sbi->s_resgid))); -+ -+ vxdprintk(VXD_CBIT(dlim, 3), -+ "ext3_has_free_blocks(%p): %lu<%lu+1, %c, %u!=%u r=%d", -+ sb, free_blocks, root_blocks, -+ !capable(CAP_SYS_RESOURCE)?'1':'0', -+ sbi->s_resuid, current->fsuid, cond?0:1); -+ -+ return (cond ? 0 : 1); - } - - /* -@@ -1183,7 +1201,7 @@ static int ext3_has_free_blocks(struct e - */ - int ext3_should_retry_alloc(struct super_block *sb, int *retries) - { -- if (!ext3_has_free_blocks(EXT3_SB(sb)) || (*retries)++ > 3) -+ if (!ext3_has_free_blocks(sb) || (*retries)++ > 3) - return 0; - - jbd_debug(1, "%s: retrying operation after ENOSPC\n", sb->s_id); -@@ -1240,6 +1258,8 @@ ext3_fsblk_t ext3_new_blocks(handle_t *h - *errp = -EDQUOT; - return 0; - } -+ if (DLIMIT_ALLOC_BLOCK(inode, 1)) -+ goto out_dlimit; - - sbi = EXT3_SB(sb); - es = EXT3_SB(sb)->s_es; -@@ -1256,7 +1276,7 @@ ext3_fsblk_t ext3_new_blocks(handle_t *h - if (block_i && ((windowsz = block_i->rsv_window_node.rsv_goal_size) > 0)) - my_rsv = &block_i->rsv_window_node; - -- if (!ext3_has_free_blocks(sbi)) { -+ if (!ext3_has_free_blocks(sb)) { - *errp = -ENOSPC; - goto out; - } -@@ -1450,6 +1470,9 @@ allocated: - io_error: - *errp = -EIO; - out: -+ if (!performed_allocation) -+ DLIMIT_FREE_BLOCK(inode, 1); -+out_dlimit: - if (fatal) { - *errp = fatal; - ext3_std_error(sb, fatal); -Index: linux-2.6.18/fs/ext3/file.c -=================================================================== ---- linux-2.6.18.orig/fs/ext3/file.c -+++ linux-2.6.18/fs/ext3/file.c -@@ -133,5 +133,6 @@ struct inode_operations ext3_file_inode_ - .removexattr = generic_removexattr, - #endif - .permission = ext3_permission, -+ .sync_flags = ext3_sync_flags, - }; - -Index: linux-2.6.18/fs/ext3/ialloc.c -=================================================================== ---- linux-2.6.18.orig/fs/ext3/ialloc.c -+++ linux-2.6.18/fs/ext3/ialloc.c -@@ -23,6 +23,8 @@ - #include <linux/buffer_head.h> - #include <linux/random.h> - #include <linux/bitops.h> -+#include <linux/vs_dlimit.h> -+#include <linux/vserver/xid.h> - - #include <asm/byteorder.h> - -@@ -127,6 +129,7 @@ void ext3_free_inode (handle_t *handle, - ext3_xattr_delete_inode(handle, inode); - DQUOT_FREE_INODE(inode); - DQUOT_DROP(inode); -+ DLIMIT_FREE_INODE(inode); - - is_directory = S_ISDIR(inode->i_mode); - -@@ -445,6 +448,12 @@ struct inode *ext3_new_inode(handle_t *h - inode = new_inode(sb); - if (!inode) - return ERR_PTR(-ENOMEM); -+ -+ inode->i_xid = vx_current_fsxid(sb); -+ if (DLIMIT_ALLOC_INODE(inode)) { -+ err = -ENOSPC; -+ goto out_dlimit; -+ } - ei = EXT3_I(inode); - - sbi = EXT3_SB(sb); -@@ -567,7 +576,8 @@ got: - ei->i_dir_start_lookup = 0; - ei->i_disksize = 0; - -- ei->i_flags = EXT3_I(dir)->i_flags & ~EXT3_INDEX_FL; -+ ei->i_flags = EXT3_I(dir)->i_flags & -+ ~(EXT3_INDEX_FL|EXT3_IUNLINK_FL|EXT3_BARRIER_FL); - if (S_ISLNK(mode)) - ei->i_flags &= ~(EXT3_IMMUTABLE_FL|EXT3_APPEND_FL); - /* dirsync only applies to directories */ -@@ -622,6 +632,8 @@ got: - fail: - ext3_std_error(sb, err); - out: -+ DLIMIT_FREE_INODE(inode); -+out_dlimit: - iput(inode); - ret = ERR_PTR(err); - really_out: -@@ -633,6 +645,7 @@ fail_free_drop: - - fail_drop: - DQUOT_DROP(inode); -+ DLIMIT_FREE_INODE(inode); - inode->i_flags |= S_NOQUOTA; - inode->i_nlink = 0; - iput(inode); -Index: linux-2.6.18/fs/ext3/inode.c -=================================================================== ---- linux-2.6.18.orig/fs/ext3/inode.c -+++ linux-2.6.18/fs/ext3/inode.c -@@ -36,6 +36,7 @@ - #include <linux/writeback.h> - #include <linux/mpage.h> - #include <linux/uio.h> -+#include <linux/vserver/xid.h> - #include "xattr.h" - #include "acl.h" - -@@ -2245,7 +2246,7 @@ void ext3_truncate(struct inode *inode) - return; - if (ext3_inode_is_fast_symlink(inode)) - return; -- if (IS_APPEND(inode) || IS_IMMUTABLE(inode)) -+ if (IS_APPEND(inode) || IS_IXORUNLINK(inode)) - return; - - /* -@@ -2567,19 +2568,77 @@ void ext3_set_inode_flags(struct inode * - { - unsigned int flags = EXT3_I(inode)->i_flags; - -- inode->i_flags &= ~(S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC); -+ inode->i_flags &= ~(S_IMMUTABLE | S_IUNLINK | S_BARRIER | -+ S_SYNC | S_APPEND | S_NOATIME | S_DIRSYNC); -+ -+ if (flags & EXT3_IMMUTABLE_FL) -+ inode->i_flags |= S_IMMUTABLE; -+ if (flags & EXT3_IUNLINK_FL) -+ inode->i_flags |= S_IUNLINK; -+ if (flags & EXT3_BARRIER_FL) -+ inode->i_flags |= S_BARRIER; -+ - if (flags & EXT3_SYNC_FL) - inode->i_flags |= S_SYNC; - if (flags & EXT3_APPEND_FL) - inode->i_flags |= S_APPEND; -- if (flags & EXT3_IMMUTABLE_FL) -- inode->i_flags |= S_IMMUTABLE; - if (flags & EXT3_NOATIME_FL) - inode->i_flags |= S_NOATIME; - if (flags & EXT3_DIRSYNC_FL) - inode->i_flags |= S_DIRSYNC; - } - -+int ext3_sync_flags(struct inode *inode) -+{ -+ unsigned int oldflags, newflags; -+ int err = 0; -+ -+ oldflags = EXT3_I(inode)->i_flags; -+ newflags = oldflags & ~(EXT3_APPEND_FL | -+ EXT3_IMMUTABLE_FL | EXT3_IUNLINK_FL | -+ EXT3_BARRIER_FL | EXT3_NOATIME_FL | -+ EXT3_SYNC_FL | EXT3_DIRSYNC_FL); -+ -+ if (IS_APPEND(inode)) -+ newflags |= EXT3_APPEND_FL; -+ if (IS_IMMUTABLE(inode)) -+ newflags |= EXT3_IMMUTABLE_FL; -+ if (IS_IUNLINK(inode)) -+ newflags |= EXT3_IUNLINK_FL; -+ if (IS_BARRIER(inode)) -+ newflags |= EXT3_BARRIER_FL; -+ -+ /* we do not want to copy superblock flags */ -+ if (inode->i_flags & S_NOATIME) -+ newflags |= EXT3_NOATIME_FL; -+ if (inode->i_flags & S_SYNC) -+ newflags |= EXT3_SYNC_FL; -+ if (inode->i_flags & S_DIRSYNC) -+ newflags |= EXT3_DIRSYNC_FL; -+ -+ if (oldflags ^ newflags) { -+ handle_t *handle; -+ struct ext3_iloc iloc; -+ -+ handle = ext3_journal_start(inode, 1); -+ if (IS_ERR(handle)) -+ return PTR_ERR(handle); -+ if (IS_SYNC(inode)) -+ handle->h_sync = 1; -+ err = ext3_reserve_inode_write(handle, inode, &iloc); -+ if (err) -+ goto flags_err; -+ -+ EXT3_I(inode)->i_flags = newflags; -+ inode->i_ctime = CURRENT_TIME; -+ -+ err = ext3_mark_iloc_dirty(handle, inode, &iloc); -+ flags_err: -+ ext3_journal_stop(handle); -+ } -+ return err; -+} -+ - void ext3_read_inode(struct inode * inode) - { - struct ext3_iloc iloc; -@@ -2587,6 +2646,8 @@ void ext3_read_inode(struct inode * inod - struct ext3_inode_info *ei = EXT3_I(inode); - struct buffer_head *bh; - int block; -+ uid_t uid; -+ gid_t gid; - - #ifdef CONFIG_EXT3_FS_POSIX_ACL - ei->i_acl = EXT3_ACL_NOT_CACHED; -@@ -2599,12 +2660,17 @@ void ext3_read_inode(struct inode * inod - bh = iloc.bh; - raw_inode = ext3_raw_inode(&iloc); - inode->i_mode = le16_to_cpu(raw_inode->i_mode); -- inode->i_uid = (uid_t)le16_to_cpu(raw_inode->i_uid_low); -- inode->i_gid = (gid_t)le16_to_cpu(raw_inode->i_gid_low); -+ uid = (uid_t)le16_to_cpu(raw_inode->i_uid_low); -+ gid = (gid_t)le16_to_cpu(raw_inode->i_gid_low); - if(!(test_opt (inode->i_sb, NO_UID32))) { -- inode->i_uid |= le16_to_cpu(raw_inode->i_uid_high) << 16; -- inode->i_gid |= le16_to_cpu(raw_inode->i_gid_high) << 16; -+ uid |= le16_to_cpu(raw_inode->i_uid_high) << 16; -+ gid |= le16_to_cpu(raw_inode->i_gid_high) << 16; - } -+ inode->i_uid = INOXID_UID(XID_TAG(inode), uid, gid); -+ inode->i_gid = INOXID_GID(XID_TAG(inode), uid, gid); -+ inode->i_xid = INOXID_XID(XID_TAG(inode), uid, gid, -+ le16_to_cpu(raw_inode->i_raw_xid)); -+ - inode->i_nlink = le16_to_cpu(raw_inode->i_links_count); - inode->i_size = le32_to_cpu(raw_inode->i_size); - inode->i_atime.tv_sec = le32_to_cpu(raw_inode->i_atime); -@@ -2731,6 +2797,8 @@ static int ext3_do_update_inode(handle_t - struct ext3_inode *raw_inode = ext3_raw_inode(iloc); - struct ext3_inode_info *ei = EXT3_I(inode); - struct buffer_head *bh = iloc->bh; -+ uid_t uid = XIDINO_UID(XID_TAG(inode), inode->i_uid, inode->i_xid); -+ gid_t gid = XIDINO_GID(XID_TAG(inode), inode->i_gid, inode->i_xid); - int err = 0, rc, block; - - /* For fields not not tracking in the in-memory inode, -@@ -2740,29 +2808,32 @@ static int ext3_do_update_inode(handle_t - - raw_inode->i_mode = cpu_to_le16(inode->i_mode); - if(!(test_opt(inode->i_sb, NO_UID32))) { -- raw_inode->i_uid_low = cpu_to_le16(low_16_bits(inode->i_uid)); -- raw_inode->i_gid_low = cpu_to_le16(low_16_bits(inode->i_gid)); -+ raw_inode->i_uid_low = cpu_to_le16(low_16_bits(uid)); -+ raw_inode->i_gid_low = cpu_to_le16(low_16_bits(gid)); - /* - * Fix up interoperability with old kernels. Otherwise, old inodes get - * re-used with the upper 16 bits of the uid/gid intact - */ - if(!ei->i_dtime) { - raw_inode->i_uid_high = -- cpu_to_le16(high_16_bits(inode->i_uid)); -+ cpu_to_le16(high_16_bits(uid)); - raw_inode->i_gid_high = -- cpu_to_le16(high_16_bits(inode->i_gid)); -+ cpu_to_le16(high_16_bits(gid)); - } else { - raw_inode->i_uid_high = 0; - raw_inode->i_gid_high = 0; - } - } else { - raw_inode->i_uid_low = -- cpu_to_le16(fs_high2lowuid(inode->i_uid)); -+ cpu_to_le16(fs_high2lowuid(uid)); - raw_inode->i_gid_low = -- cpu_to_le16(fs_high2lowgid(inode->i_gid)); -+ cpu_to_le16(fs_high2lowgid(gid)); - raw_inode->i_uid_high = 0; - raw_inode->i_gid_high = 0; - } -+#ifdef CONFIG_INOXID_INTERN -+ raw_inode->i_raw_xid = cpu_to_le16(inode->i_xid); -+#endif - raw_inode->i_links_count = cpu_to_le16(inode->i_nlink); - raw_inode->i_size = cpu_to_le32(ei->i_disksize); - raw_inode->i_atime = cpu_to_le32(inode->i_atime.tv_sec); -@@ -2915,7 +2986,8 @@ int ext3_setattr(struct dentry *dentry, - return error; - - if ((ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid) || -- (ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid)) { -+ (ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid) || -+ (ia_valid & ATTR_XID && attr->ia_xid != inode->i_xid)) { - handle_t *handle; - - /* (user+group)*(old+new) structure, inode write (sb, -@@ -2937,6 +3009,8 @@ int ext3_setattr(struct dentry *dentry, - inode->i_uid = attr->ia_uid; - if (attr->ia_valid & ATTR_GID) - inode->i_gid = attr->ia_gid; -+ if ((attr->ia_valid & ATTR_XID) && IS_TAGXID(inode)) -+ inode->i_xid = attr->ia_xid; - error = ext3_mark_inode_dirty(handle, inode); - ext3_journal_stop(handle); - } -Index: linux-2.6.18/fs/ext3/ioctl.c -=================================================================== ---- linux-2.6.18.orig/fs/ext3/ioctl.c -+++ linux-2.6.18/fs/ext3/ioctl.c -@@ -8,11 +8,13 @@ - */ - - #include <linux/fs.h> -+#include <linux/mount.h> - #include <linux/jbd.h> - #include <linux/capability.h> - #include <linux/ext3_fs.h> - #include <linux/ext3_jbd.h> - #include <linux/time.h> -+#include <linux/vserver/xid.h> - #include <asm/uaccess.h> - - -@@ -36,7 +38,8 @@ int ext3_ioctl (struct inode * inode, st - unsigned int oldflags; - unsigned int jflag; - -- if (IS_RDONLY(inode)) -+ if (IS_RDONLY(inode) || -+ (filp && MNT_IS_RDONLY(filp->f_vfsmnt))) - return -EROFS; - - if ((current->fsuid != inode->i_uid) && !capable(CAP_FOWNER)) -@@ -60,7 +63,9 @@ int ext3_ioctl (struct inode * inode, st - * - * This test looks nicer. Thanks to Pauline Middelink - */ -- if ((flags ^ oldflags) & (EXT3_APPEND_FL | EXT3_IMMUTABLE_FL)) { -+ if ((oldflags & EXT3_IMMUTABLE_FL) || -+ ((flags ^ oldflags) & (EXT3_APPEND_FL | -+ EXT3_IMMUTABLE_FL | EXT3_IUNLINK_FL))) { - if (!capable(CAP_LINUX_IMMUTABLE)) { - mutex_unlock(&inode->i_mutex); - return -EPERM; -@@ -122,7 +127,8 @@ flags_err: - - if ((current->fsuid != inode->i_uid) && !capable(CAP_FOWNER)) - return -EPERM; -- if (IS_RDONLY(inode)) -+ if (IS_RDONLY(inode) || -+ (filp && MNT_IS_RDONLY(filp->f_vfsmnt))) - return -EROFS; - if (get_user(generation, (int __user *) arg)) - return -EFAULT; -@@ -176,7 +182,8 @@ flags_err: - if (!test_opt(inode->i_sb, RESERVATION) ||!S_ISREG(inode->i_mode)) - return -ENOTTY; - -- if (IS_RDONLY(inode)) -+ if (IS_RDONLY(inode) || -+ (filp && MNT_IS_RDONLY(filp->f_vfsmnt))) - return -EROFS; - - if ((current->fsuid != inode->i_uid) && !capable(CAP_FOWNER)) -@@ -211,7 +218,8 @@ flags_err: - if (!capable(CAP_SYS_RESOURCE)) - return -EPERM; - -- if (IS_RDONLY(inode)) -+ if (IS_RDONLY(inode) || -+ (filp && MNT_IS_RDONLY(filp->f_vfsmnt))) - return -EROFS; - - if (get_user(n_blocks_count, (__u32 __user *)arg)) -@@ -232,7 +240,8 @@ flags_err: - if (!capable(CAP_SYS_RESOURCE)) - return -EPERM; - -- if (IS_RDONLY(inode)) -+ if (IS_RDONLY(inode) || -+ (filp && MNT_IS_RDONLY(filp->f_vfsmnt))) - return -EROFS; - - if (copy_from_user(&input, (struct ext3_new_group_input __user *)arg, -@@ -247,6 +256,38 @@ flags_err: - return err; - } - -+#if defined(CONFIG_VSERVER_LEGACY) && !defined(CONFIG_INOXID_NONE) -+ case EXT3_IOC_SETXID: { -+ handle_t *handle; -+ struct ext3_iloc iloc; -+ int xid; -+ int err; -+ -+ /* fixme: if stealth, return -ENOTTY */ -+ if (!capable(CAP_CONTEXT)) -+ return -EPERM; -+ if (IS_RDONLY(inode)) -+ return -EROFS; -+ if (!(inode->i_sb->s_flags & MS_TAGXID)) -+ return -ENOSYS; -+ if (get_user(xid, (int __user *) arg)) -+ return -EFAULT; -+ -+ handle = ext3_journal_start(inode, 1); -+ if (IS_ERR(handle)) -+ return PTR_ERR(handle); -+ err = ext3_reserve_inode_write(handle, inode, &iloc); -+ if (err) -+ return err; -+ -+ inode->i_xid = (xid & 0xFFFF); -+ inode->i_ctime = CURRENT_TIME; -+ -+ err = ext3_mark_iloc_dirty(handle, inode, &iloc); -+ ext3_journal_stop(handle); -+ return err; -+ } -+#endif - - default: - return -ENOTTY; -Index: linux-2.6.18/fs/ext3/namei.c -=================================================================== ---- linux-2.6.18.orig/fs/ext3/namei.c -+++ linux-2.6.18/fs/ext3/namei.c -@@ -36,6 +36,7 @@ - #include <linux/quotaops.h> - #include <linux/buffer_head.h> - #include <linux/smp_lock.h> -+#include <linux/vserver/xid.h> - - #include "namei.h" - #include "xattr.h" -@@ -1009,6 +1010,7 @@ static struct dentry *ext3_lookup(struct - - if (!inode) - return ERR_PTR(-EACCES); -+ vx_propagate_xid(nd, inode); - } - return d_splice_alias(inode, dentry); - } -@@ -2382,6 +2384,7 @@ struct inode_operations ext3_dir_inode_o - .removexattr = generic_removexattr, - #endif - .permission = ext3_permission, -+ .sync_flags = ext3_sync_flags, - }; - - struct inode_operations ext3_special_inode_operations = { -@@ -2393,4 +2396,5 @@ struct inode_operations ext3_special_ino - .removexattr = generic_removexattr, - #endif - .permission = ext3_permission, -+ .sync_flags = ext3_sync_flags, - }; -Index: linux-2.6.18/fs/ext3/super.c -=================================================================== ---- linux-2.6.18.orig/fs/ext3/super.c -+++ linux-2.6.18/fs/ext3/super.c -@@ -677,7 +677,7 @@ enum { - Opt_usrjquota, Opt_grpjquota, Opt_offusrjquota, Opt_offgrpjquota, - Opt_jqfmt_vfsold, Opt_jqfmt_vfsv0, Opt_quota, Opt_noquota, - Opt_ignore, Opt_barrier, Opt_err, Opt_resize, Opt_usrquota, -- Opt_grpquota -+ Opt_grpquota, Opt_tagxid - }; - - static match_table_t tokens = { -@@ -727,6 +727,7 @@ static match_table_t tokens = { - {Opt_quota, "quota"}, - {Opt_usrquota, "usrquota"}, - {Opt_barrier, "barrier=%u"}, -+ {Opt_tagxid, "tagxid"}, - {Opt_err, NULL}, - {Opt_resize, "resize"}, - }; -@@ -820,6 +821,11 @@ static int parse_options (char *options, - case Opt_nouid32: - set_opt (sbi->s_mount_opt, NO_UID32); - break; -+#ifndef CONFIG_INOXID_NONE -+ case Opt_tagxid: -+ set_opt (sbi->s_mount_opt, TAGXID); -+ break; -+#endif - case Opt_nocheck: - clear_opt (sbi->s_mount_opt, CHECK); - break; -@@ -1476,6 +1482,9 @@ static int ext3_fill_super (struct super - NULL, 0)) - goto failed_mount; - -+ if (EXT3_SB(sb)->s_mount_opt & EXT3_MOUNT_TAGXID) -+ sb->s_flags |= MS_TAGXID; -+ - sb->s_flags = (sb->s_flags & ~MS_POSIXACL) | - ((sbi->s_mount_opt & EXT3_MOUNT_POSIX_ACL) ? MS_POSIXACL : 0); - -@@ -2291,6 +2300,12 @@ static int ext3_remount (struct super_bl - - if (sbi->s_mount_opt & EXT3_MOUNT_ABORT) - ext3_abort(sb, __FUNCTION__, "Abort forced by user"); -+ if ((sbi->s_mount_opt & EXT3_MOUNT_TAGXID) && -+ !(sb->s_flags & MS_TAGXID)) { -+ printk("EXT3-fs: %s: tagxid not permitted on remount.\n", -+ sb->s_id); -+ return -EINVAL; -+ } - - sb->s_flags = (sb->s_flags & ~MS_POSIXACL) | - ((sbi->s_mount_opt & EXT3_MOUNT_POSIX_ACL) ? MS_POSIXACL : 0); -Index: linux-2.6.18/fs/ext3/symlink.c -=================================================================== ---- linux-2.6.18.orig/fs/ext3/symlink.c -+++ linux-2.6.18/fs/ext3/symlink.c -@@ -40,6 +40,7 @@ struct inode_operations ext3_symlink_ino - .listxattr = ext3_listxattr, - .removexattr = generic_removexattr, - #endif -+ .sync_flags = ext3_sync_flags, - }; - - struct inode_operations ext3_fast_symlink_inode_operations = { -@@ -51,4 +52,5 @@ struct inode_operations ext3_fast_symlin - .listxattr = ext3_listxattr, - .removexattr = generic_removexattr, - #endif -+ .sync_flags = ext3_sync_flags, - }; -Index: linux-2.6.18/fs/ext3/xattr.c -=================================================================== ---- linux-2.6.18.orig/fs/ext3/xattr.c -+++ linux-2.6.18/fs/ext3/xattr.c -@@ -58,6 +58,7 @@ - #include <linux/mbcache.h> - #include <linux/quotaops.h> - #include <linux/rwsem.h> -+#include <linux/vs_dlimit.h> - #include "xattr.h" - #include "acl.h" - -@@ -495,6 +496,7 @@ ext3_xattr_release_block(handle_t *handl - ext3_journal_dirty_metadata(handle, bh); - if (IS_SYNC(inode)) - handle->h_sync = 1; -+ DLIMIT_FREE_BLOCK(inode, 1); - DQUOT_FREE_BLOCK(inode, 1); - unlock_buffer(bh); - ea_bdebug(bh, "refcount now=%d; releasing", -@@ -763,11 +765,14 @@ inserted: - if (new_bh == bs->bh) - ea_bdebug(new_bh, "keeping"); - else { -+ error = -ENOSPC; -+ if (DLIMIT_ALLOC_BLOCK(inode, 1)) -+ goto cleanup; - /* The old block is released after updating - the inode. */ - error = -EDQUOT; - if (DQUOT_ALLOC_BLOCK(inode, 1)) -- goto cleanup; -+ goto cleanup_dlimit; - error = ext3_journal_get_write_access(handle, - new_bh); - if (error) -@@ -844,6 +849,8 @@ cleanup: - - cleanup_dquot: - DQUOT_FREE_BLOCK(inode, 1); -+cleanup_dlimit: -+ DLIMIT_FREE_BLOCK(inode, 1); - goto cleanup; - - bad_block: -Index: linux-2.6.18/fs/fcntl.c -=================================================================== ---- linux-2.6.18.orig/fs/fcntl.c -+++ linux-2.6.18/fs/fcntl.c -@@ -18,6 +18,7 @@ - #include <linux/ptrace.h> - #include <linux/signal.h> - #include <linux/rcupdate.h> -+#include <linux/vs_limit.h> - - #include <asm/poll.h> - #include <asm/siginfo.h> -@@ -85,6 +86,8 @@ repeat: - error = -EMFILE; - if (newfd >= current->signal->rlim[RLIMIT_NOFILE].rlim_cur) - goto out; -+ if (!vx_files_avail(1)) -+ goto out; - - error = expand_files(files, newfd); - if (error < 0) -@@ -125,6 +128,7 @@ static int dupfd(struct file *file, unsi - FD_SET(fd, fdt->open_fds); - FD_CLR(fd, fdt->close_on_exec); - spin_unlock(&files->file_lock); -+ vx_openfd_inc(fd); - fd_install(fd, file); - } else { - spin_unlock(&files->file_lock); -@@ -177,6 +181,9 @@ asmlinkage long sys_dup2(unsigned int ol - - if (tofree) - filp_close(tofree, files); -+ else -+ vx_openfd_inc(newfd); /* fd was unused */ -+ - err = newfd; - out: - return err; -@@ -479,7 +486,7 @@ void send_sigio(struct fown_struct *fown - - read_lock(&tasklist_lock); - if (pid > 0) { -- p = find_task_by_pid(pid); -+ p = find_task_by_real_pid(pid); - if (p) { - send_sigio_to_task(p, fown, fd, band); - } -@@ -514,7 +521,7 @@ int send_sigurg(struct fown_struct *fown - - read_lock(&tasklist_lock); - if (pid > 0) { -- p = find_task_by_pid(pid); -+ p = find_task_by_real_pid(pid); - if (p) { - send_sigurg_to_task(p, fown); - } -Index: linux-2.6.18/fs/file_table.c -=================================================================== ---- linux-2.6.18.orig/fs/file_table.c -+++ linux-2.6.18/fs/file_table.c -@@ -21,6 +21,8 @@ - #include <linux/fsnotify.h> - #include <linux/sysctl.h> - #include <linux/percpu_counter.h> -+#include <linux/vs_limit.h> -+#include <linux/vs_context.h> - - #include <asm/atomic.h> - -@@ -120,6 +122,8 @@ struct file *get_empty_filp(void) - f->f_gid = tsk->fsgid; - eventpoll_init_file(f); - /* f->f_version: 0 */ -+ f->f_xid = vx_current_xid(); -+ vx_files_inc(f); - return f; - - over: -@@ -174,6 +178,8 @@ void fastcall __fput(struct file *file) - fops_put(file->f_op); - if (file->f_mode & FMODE_WRITE) - put_write_access(inode); -+ vx_files_dec(file); -+ file->f_xid = 0; - file_kill(file); - file->f_dentry = NULL; - file->f_vfsmnt = NULL; -@@ -239,6 +245,8 @@ void put_filp(struct file *file) - { - if (atomic_dec_and_test(&file->f_count)) { - security_file_free(file); -+ vx_files_dec(file); -+ file->f_xid = 0; - file_kill(file); - file_free(file); - } -Index: linux-2.6.18/fs/hfsplus/ioctl.c -=================================================================== ---- linux-2.6.18.orig/fs/hfsplus/ioctl.c -+++ linux-2.6.18/fs/hfsplus/ioctl.c -@@ -16,6 +16,7 @@ - #include <linux/fs.h> - #include <linux/sched.h> - #include <linux/xattr.h> -+#include <linux/mount.h> - #include <asm/uaccess.h> - #include "hfsplus_fs.h" - -@@ -35,7 +36,8 @@ int hfsplus_ioctl(struct inode *inode, s - flags |= EXT2_FLAG_NODUMP; /* EXT2_NODUMP_FL */ - return put_user(flags, (int __user *)arg); - case HFSPLUS_IOC_EXT2_SETFLAGS: { -- if (IS_RDONLY(inode)) -+ if (IS_RDONLY(inode) || -+ (filp && MNT_IS_RDONLY(filp->f_vfsmnt))) - return -EROFS; - - if ((current->fsuid != inode->i_uid) && !capable(CAP_FOWNER)) -Index: linux-2.6.18/fs/inode.c -=================================================================== ---- linux-2.6.18.orig/fs/inode.c -+++ linux-2.6.18/fs/inode.c -@@ -115,6 +115,9 @@ static struct inode *alloc_inode(struct - struct address_space * const mapping = &inode->i_data; - - inode->i_sb = sb; -+ -+ /* essential because of inode slab reuse */ -+ inode->i_xid = 0; - inode->i_blkbits = sb->s_blocksize_bits; - inode->i_flags = 0; - atomic_set(&inode->i_count, 1); -@@ -234,6 +237,8 @@ void __iget(struct inode * inode) - inodes_stat.nr_unused--; - } - -+EXPORT_SYMBOL_GPL(__iget); -+ - /** - * clear_inode - clear an inode - * @inode: inode to clear -Index: linux-2.6.18/fs/ioctl.c -=================================================================== ---- linux-2.6.18.orig/fs/ioctl.c -+++ linux-2.6.18/fs/ioctl.c -@@ -12,10 +12,19 @@ - #include <linux/fs.h> - #include <linux/security.h> - #include <linux/module.h> -+#include <linux/proc_fs.h> -+#include <linux/vserver/inode.h> -+#include <linux/vserver/xid.h> - - #include <asm/uaccess.h> - #include <asm/ioctls.h> - -+ -+#ifdef CONFIG_VSERVER_LEGACY -+extern int vx_proc_ioctl(struct inode *, struct file *, -+ unsigned int, unsigned long); -+#endif -+ - static long do_ioctl(struct file *filp, unsigned int cmd, - unsigned long arg) - { -@@ -146,6 +155,48 @@ int vfs_ioctl(struct file *filp, unsigne - else - error = -ENOTTY; - break; -+#ifdef CONFIG_VSERVER_LEGACY -+#ifndef CONFIG_INOXID_NONE -+ case FIOC_GETXID: { -+ struct inode *inode = filp->f_dentry->d_inode; -+ -+ /* fixme: if stealth, return -ENOTTY */ -+ error = -EPERM; -+ if (capable(CAP_CONTEXT)) -+ error = put_user(inode->i_xid, (int __user *) arg); -+ break; -+ } -+ case FIOC_SETXID: { -+ struct inode *inode = filp->f_dentry->d_inode; -+ int xid; -+ -+ /* fixme: if stealth, return -ENOTTY */ -+ error = -EPERM; -+ if (!capable(CAP_CONTEXT)) -+ break; -+ error = -EROFS; -+ if (IS_RDONLY(inode)) -+ break; -+ error = -ENOSYS; -+ if (!(inode->i_sb->s_flags & MS_TAGXID)) -+ break; -+ error = -EFAULT; -+ if (get_user(xid, (int __user *) arg)) -+ break; -+ error = 0; -+ inode->i_xid = (xid & 0xFFFF); -+ inode->i_ctime = CURRENT_TIME; -+ mark_inode_dirty(inode); -+ break; -+ } -+#endif -+ case FIOC_GETXFLG: -+ case FIOC_SETXFLG: -+ error = -ENOTTY; -+ if (filp->f_dentry->d_inode->i_sb->s_magic == PROC_SUPER_MAGIC) -+ error = vx_proc_ioctl(filp->f_dentry->d_inode, filp, cmd, arg); -+ break; -+#endif - default: - if (S_ISREG(filp->f_dentry->d_inode->i_mode)) - error = file_ioctl(filp, cmd, arg); -Index: linux-2.6.18/fs/ioprio.c -=================================================================== ---- linux-2.6.18.orig/fs/ioprio.c -+++ linux-2.6.18/fs/ioprio.c -@@ -104,7 +104,7 @@ asmlinkage long sys_ioprio_set(int which - if (!who) - user = current->user; - else -- user = find_user(who); -+ user = find_user(vx_current_xid(), who); - - if (!user) - break; -@@ -197,7 +197,7 @@ asmlinkage long sys_ioprio_get(int which - if (!who) - user = current->user; - else -- user = find_user(who); -+ user = find_user(vx_current_xid(), who); - - if (!user) - break; -Index: linux-2.6.18/fs/jfs/acl.c -=================================================================== ---- linux-2.6.18.orig/fs/jfs/acl.c -+++ linux-2.6.18/fs/jfs/acl.c -@@ -232,7 +232,8 @@ int jfs_setattr(struct dentry *dentry, s - return rc; - - if ((iattr->ia_valid & ATTR_UID && iattr->ia_uid != inode->i_uid) || -- (iattr->ia_valid & ATTR_GID && iattr->ia_gid != inode->i_gid)) { -+ (iattr->ia_valid & ATTR_GID && iattr->ia_gid != inode->i_gid) || -+ (iattr->ia_valid & ATTR_XID && iattr->ia_xid != inode->i_xid)) { - if (DQUOT_TRANSFER(inode, iattr)) - return -EDQUOT; - } -Index: linux-2.6.18/fs/jfs/file.c -=================================================================== ---- linux-2.6.18.orig/fs/jfs/file.c -+++ linux-2.6.18/fs/jfs/file.c -@@ -98,6 +98,7 @@ struct inode_operations jfs_file_inode_o - .setattr = jfs_setattr, - .permission = jfs_permission, - #endif -+ .sync_flags = jfs_sync_flags, - }; - - const struct file_operations jfs_file_operations = { -Index: linux-2.6.18/fs/jfs/inode.c -=================================================================== ---- linux-2.6.18.orig/fs/jfs/inode.c -+++ linux-2.6.18/fs/jfs/inode.c -@@ -22,6 +22,7 @@ - #include <linux/buffer_head.h> - #include <linux/pagemap.h> - #include <linux/quotaops.h> -+#include <linux/vs_dlimit.h> - #include "jfs_incore.h" - #include "jfs_inode.h" - #include "jfs_filsys.h" -@@ -144,6 +145,7 @@ void jfs_delete_inode(struct inode *inod - DQUOT_INIT(inode); - DQUOT_FREE_INODE(inode); - DQUOT_DROP(inode); -+ DLIMIT_FREE_INODE(inode); - } - - clear_inode(inode); -Index: linux-2.6.18/fs/jfs/ioctl.c -=================================================================== ---- linux-2.6.18.orig/fs/jfs/ioctl.c -+++ linux-2.6.18/fs/jfs/ioctl.c -@@ -10,6 +10,7 @@ - #include <linux/ctype.h> - #include <linux/capability.h> - #include <linux/time.h> -+#include <linux/mount.h> - #include <asm/current.h> - #include <asm/uaccess.h> - -@@ -65,7 +66,8 @@ int jfs_ioctl(struct inode * inode, stru - case JFS_IOC_SETFLAGS: { - unsigned int oldflags; - -- if (IS_RDONLY(inode)) -+ if (IS_RDONLY(inode) || -+ (filp && MNT_IS_RDONLY(filp->f_vfsmnt))) - return -EROFS; - - if ((current->fsuid != inode->i_uid) && !capable(CAP_FOWNER)) -@@ -85,8 +87,8 @@ int jfs_ioctl(struct inode * inode, stru - * the relevant capability. - */ - if ((oldflags & JFS_IMMUTABLE_FL) || -- ((flags ^ oldflags) & -- (JFS_APPEND_FL | JFS_IMMUTABLE_FL))) { -+ ((flags ^ oldflags) & (JFS_APPEND_FL | -+ JFS_IMMUTABLE_FL | JFS_IUNLINK_FL))) { - if (!capable(CAP_LINUX_IMMUTABLE)) - return -EPERM; - } -Index: linux-2.6.18/fs/jfs/jfs_dinode.h -=================================================================== ---- linux-2.6.18.orig/fs/jfs/jfs_dinode.h -+++ linux-2.6.18/fs/jfs/jfs_dinode.h -@@ -162,9 +162,12 @@ struct dinode { - #define JFS_APPEND_FL 0x01000000 /* writes to file may only append */ - #define JFS_IMMUTABLE_FL 0x02000000 /* Immutable file */ - --#define JFS_FL_USER_VISIBLE 0x03F80000 -+#define JFS_BARRIER_FL 0x04000000 /* Barrier for chroot() */ -+#define JFS_IUNLINK_FL 0x08000000 /* Immutable unlink */ -+ -+#define JFS_FL_USER_VISIBLE 0x0FF80000 - #define JFS_FL_USER_MODIFIABLE 0x03F80000 --#define JFS_FL_INHERIT 0x03C80000 -+#define JFS_FL_INHERIT 0x0BC80000 - - /* These are identical to EXT[23]_IOC_GETFLAGS/SETFLAGS */ - #define JFS_IOC_GETFLAGS _IOR('f', 1, long) -Index: linux-2.6.18/fs/jfs/jfs_dtree.c -=================================================================== ---- linux-2.6.18.orig/fs/jfs/jfs_dtree.c -+++ linux-2.6.18/fs/jfs/jfs_dtree.c -@@ -102,6 +102,7 @@ - - #include <linux/fs.h> - #include <linux/quotaops.h> -+#include <linux/vs_dlimit.h> - #include "jfs_incore.h" - #include "jfs_superblock.h" - #include "jfs_filsys.h" -@@ -383,10 +384,10 @@ static u32 add_index(tid_t tid, struct i - */ - if (DQUOT_ALLOC_BLOCK(ip, sbi->nbperpage)) - goto clean_up; -- if (dbAlloc(ip, 0, sbi->nbperpage, &xaddr)) { -- DQUOT_FREE_BLOCK(ip, sbi->nbperpage); -- goto clean_up; -- } -+ if (DLIMIT_ALLOC_BLOCK(ip, sbi->nbperpage)) -+ goto clean_up_quota; -+ if (dbAlloc(ip, 0, sbi->nbperpage, &xaddr)) -+ goto clean_up_dlim; - - /* - * Save the table, we're going to overwrite it with the -@@ -479,6 +480,10 @@ static u32 add_index(tid_t tid, struct i - - return index; - -+ clean_up_dlim: -+ DLIMIT_FREE_BLOCK(ip, sbi->nbperpage); -+ clean_up_quota: -+ DQUOT_FREE_BLOCK(ip, sbi->nbperpage); - clean_up: - - jfs_ip->next_index--; -@@ -952,6 +957,7 @@ static int dtSplitUp(tid_t tid, - struct tlock *tlck; - struct lv *lv; - int quota_allocation = 0; -+ int dlimit_allocation = 0; - - /* get split page */ - smp = split->mp; -@@ -1036,6 +1042,12 @@ static int dtSplitUp(tid_t tid, - } - quota_allocation += n; - -+ if (DLIMIT_ALLOC_BLOCK(ip, n)) { -+ rc = -ENOSPC; -+ goto extendOut; -+ } -+ dlimit_allocation += n; -+ - if ((rc = dbReAlloc(sbi->ipbmap, xaddr, (s64) xlen, - (s64) n, &nxaddr))) - goto extendOut; -@@ -1309,6 +1321,9 @@ static int dtSplitUp(tid_t tid, - freeKeyName: - kfree(key.name); - -+ /* Rollback dlimit allocation */ -+ if (rc && dlimit_allocation) -+ DLIMIT_FREE_BLOCK(ip, dlimit_allocation); - /* Rollback quota allocation */ - if (rc && quota_allocation) - DQUOT_FREE_BLOCK(ip, quota_allocation); -@@ -1376,6 +1391,12 @@ static int dtSplitPage(tid_t tid, struct - release_metapage(rmp); - return -EDQUOT; - } -+ /* Allocate blocks to dlimit. */ -+ if (DLIMIT_ALLOC_BLOCK(ip, lengthPXD(pxd))) { -+ DQUOT_FREE_BLOCK(ip, lengthPXD(pxd)); -+ release_metapage(rmp); -+ return -ENOSPC; -+ } - - jfs_info("dtSplitPage: ip:0x%p smp:0x%p rmp:0x%p", ip, smp, rmp); - -@@ -1926,6 +1947,12 @@ static int dtSplitRoot(tid_t tid, - release_metapage(rmp); - return -EDQUOT; - } -+ /* Allocate blocks to dlimit. */ -+ if (DLIMIT_ALLOC_BLOCK(ip, lengthPXD(pxd))) { -+ DQUOT_FREE_BLOCK(ip, lengthPXD(pxd)); -+ release_metapage(rmp); -+ return -ENOSPC; -+ } - - BT_MARK_DIRTY(rmp, ip); - /* -@@ -2292,6 +2319,8 @@ static int dtDeleteUp(tid_t tid, struct - - xlen = lengthPXD(&fp->header.self); - -+ /* Free dlimit allocation. */ -+ DLIMIT_FREE_BLOCK(ip, xlen); - /* Free quota allocation. */ - DQUOT_FREE_BLOCK(ip, xlen); - -@@ -2368,6 +2397,8 @@ static int dtDeleteUp(tid_t tid, struct - - xlen = lengthPXD(&p->header.self); - -+ /* Free dlimit allocation */ -+ DLIMIT_FREE_BLOCK(ip, xlen); - /* Free quota allocation */ - DQUOT_FREE_BLOCK(ip, xlen); - -Index: linux-2.6.18/fs/jfs/jfs_extent.c -=================================================================== ---- linux-2.6.18.orig/fs/jfs/jfs_extent.c -+++ linux-2.6.18/fs/jfs/jfs_extent.c -@@ -18,6 +18,7 @@ - - #include <linux/fs.h> - #include <linux/quotaops.h> -+#include <linux/vs_dlimit.h> - #include "jfs_incore.h" - #include "jfs_inode.h" - #include "jfs_superblock.h" -@@ -146,6 +147,13 @@ extAlloc(struct inode *ip, s64 xlen, s64 - mutex_unlock(&JFS_IP(ip)->commit_mutex); - return -EDQUOT; - } -+ /* Allocate blocks to dlimit. */ -+ if (DLIMIT_ALLOC_BLOCK(ip, nxlen)) { -+ DQUOT_FREE_BLOCK(ip, nxlen); -+ dbFree(ip, nxaddr, (s64) nxlen); -+ mutex_unlock(&JFS_IP(ip)->commit_mutex); -+ return -ENOSPC; -+ } - - /* determine the value of the extent flag */ - xflag = (abnr == TRUE) ? XAD_NOTRECORDED : 0; -@@ -164,6 +172,7 @@ extAlloc(struct inode *ip, s64 xlen, s64 - */ - if (rc) { - dbFree(ip, nxaddr, nxlen); -+ DLIMIT_FREE_BLOCK(ip, nxlen); - DQUOT_FREE_BLOCK(ip, nxlen); - mutex_unlock(&JFS_IP(ip)->commit_mutex); - return (rc); -@@ -261,6 +270,13 @@ int extRealloc(struct inode *ip, s64 nxl - mutex_unlock(&JFS_IP(ip)->commit_mutex); - return -EDQUOT; - } -+ /* Allocate blocks to dlimit. */ -+ if (DLIMIT_ALLOC_BLOCK(ip, nxlen)) { -+ DQUOT_FREE_BLOCK(ip, nxlen); -+ dbFree(ip, nxaddr, (s64) nxlen); -+ up(&JFS_IP(ip)->commit_sem); -+ return -ENOSPC; -+ } - - delta = nxlen - xlen; - -@@ -297,6 +313,7 @@ int extRealloc(struct inode *ip, s64 nxl - /* extend the extent */ - if ((rc = xtExtend(0, ip, xoff + xlen, (int) nextend, 0))) { - dbFree(ip, xaddr + xlen, delta); -+ DLIMIT_FREE_BLOCK(ip, nxlen); - DQUOT_FREE_BLOCK(ip, nxlen); - goto exit; - } -@@ -308,6 +325,7 @@ int extRealloc(struct inode *ip, s64 nxl - */ - if ((rc = xtTailgate(0, ip, xoff, (int) ntail, nxaddr, 0))) { - dbFree(ip, nxaddr, nxlen); -+ DLIMIT_FREE_BLOCK(ip, nxlen); - DQUOT_FREE_BLOCK(ip, nxlen); - goto exit; - } -Index: linux-2.6.18/fs/jfs/jfs_filsys.h -=================================================================== ---- linux-2.6.18.orig/fs/jfs/jfs_filsys.h -+++ linux-2.6.18/fs/jfs/jfs_filsys.h -@@ -84,6 +84,7 @@ - #define JFS_DIR_INDEX 0x00200000 /* Persistant index for */ - /* directory entries */ - -+#define JFS_TAGXID 0x00800000 /* xid tagging */ - - /* - * buffer cache configuration -Index: linux-2.6.18/fs/jfs/jfs_imap.c -=================================================================== ---- linux-2.6.18.orig/fs/jfs/jfs_imap.c -+++ linux-2.6.18/fs/jfs/jfs_imap.c -@@ -45,6 +45,7 @@ - #include <linux/buffer_head.h> - #include <linux/pagemap.h> - #include <linux/quotaops.h> -+#include <linux/vserver/xid.h> - - #include "jfs_incore.h" - #include "jfs_inode.h" -@@ -3075,6 +3076,8 @@ static int copy_from_dinode(struct dinod - { - struct jfs_inode_info *jfs_ip = JFS_IP(ip); - struct jfs_sb_info *sbi = JFS_SBI(ip->i_sb); -+ uid_t uid; -+ gid_t gid; - - jfs_ip->fileset = le32_to_cpu(dip->di_fileset); - jfs_ip->mode2 = le32_to_cpu(dip->di_mode); -@@ -3094,14 +3097,18 @@ static int copy_from_dinode(struct dinod - } - ip->i_nlink = le32_to_cpu(dip->di_nlink); - -- jfs_ip->saved_uid = le32_to_cpu(dip->di_uid); -+ uid = le32_to_cpu(dip->di_uid); -+ gid = le32_to_cpu(dip->di_gid); -+ ip->i_xid = INOXID_XID(XID_TAG(ip), uid, gid, 0); -+ -+ jfs_ip->saved_uid = INOXID_UID(XID_TAG(ip), uid, gid); - if (sbi->uid == -1) - ip->i_uid = jfs_ip->saved_uid; - else { - ip->i_uid = sbi->uid; - } - -- jfs_ip->saved_gid = le32_to_cpu(dip->di_gid); -+ jfs_ip->saved_gid = INOXID_GID(XID_TAG(ip), uid, gid); - if (sbi->gid == -1) - ip->i_gid = jfs_ip->saved_gid; - else { -@@ -3167,14 +3174,12 @@ static void copy_to_dinode(struct dinode - dip->di_size = cpu_to_le64(ip->i_size); - dip->di_nblocks = cpu_to_le64(PBLK2LBLK(ip->i_sb, ip->i_blocks)); - dip->di_nlink = cpu_to_le32(ip->i_nlink); -- if (sbi->uid == -1) -- dip->di_uid = cpu_to_le32(ip->i_uid); -- else -- dip->di_uid = cpu_to_le32(jfs_ip->saved_uid); -- if (sbi->gid == -1) -- dip->di_gid = cpu_to_le32(ip->i_gid); -- else -- dip->di_gid = cpu_to_le32(jfs_ip->saved_gid); -+ -+ dip->di_uid = cpu_to_le32(XIDINO_UID(XID_TAG(ip), -+ (sbi->uid == -1) ? ip->i_uid : jfs_ip->saved_uid, ip->i_xid)); -+ dip->di_gid = cpu_to_le32(XIDINO_GID(XID_TAG(ip), -+ (sbi->gid == -1) ? ip->i_gid : jfs_ip->saved_gid, ip->i_xid)); -+ - /* - * mode2 is only needed for storing the higher order bits. - * Trust i_mode for the lower order ones -Index: linux-2.6.18/fs/jfs/jfs_inode.c -=================================================================== ---- linux-2.6.18.orig/fs/jfs/jfs_inode.c -+++ linux-2.6.18/fs/jfs/jfs_inode.c -@@ -18,6 +18,8 @@ - - #include <linux/fs.h> - #include <linux/quotaops.h> -+#include <linux/vs_dlimit.h> -+#include <linux/vserver/xid.h> - #include "jfs_incore.h" - #include "jfs_inode.h" - #include "jfs_filsys.h" -@@ -30,19 +32,59 @@ void jfs_set_inode_flags(struct inode *i - { - unsigned int flags = JFS_IP(inode)->mode2; - -- inode->i_flags &= ~(S_IMMUTABLE | S_APPEND | -- S_NOATIME | S_DIRSYNC | S_SYNC); -+ inode->i_flags &= ~(S_IMMUTABLE | S_IUNLINK | S_BARRIER | -+ S_SYNC | S_APPEND | S_NOATIME | S_DIRSYNC); - - if (flags & JFS_IMMUTABLE_FL) - inode->i_flags |= S_IMMUTABLE; -+ if (flags & JFS_IUNLINK_FL) -+ inode->i_flags |= S_IUNLINK; -+ if (flags & JFS_BARRIER_FL) -+ inode->i_flags |= S_BARRIER; -+ -+ if (flags & JFS_SYNC_FL) -+ inode->i_flags |= S_SYNC; - if (flags & JFS_APPEND_FL) - inode->i_flags |= S_APPEND; - if (flags & JFS_NOATIME_FL) - inode->i_flags |= S_NOATIME; - if (flags & JFS_DIRSYNC_FL) - inode->i_flags |= S_DIRSYNC; -- if (flags & JFS_SYNC_FL) -- inode->i_flags |= S_SYNC; -+} -+ -+int jfs_sync_flags(struct inode *inode) -+{ -+ unsigned int oldflags, newflags; -+ -+ oldflags = JFS_IP(inode)->mode2; -+ newflags = oldflags & ~(JFS_APPEND_FL | -+ JFS_IMMUTABLE_FL | JFS_IUNLINK_FL | -+ JFS_BARRIER_FL | JFS_NOATIME_FL | -+ JFS_SYNC_FL | JFS_DIRSYNC_FL); -+ -+ if (IS_APPEND(inode)) -+ newflags |= JFS_APPEND_FL; -+ if (IS_IMMUTABLE(inode)) -+ newflags |= JFS_IMMUTABLE_FL; -+ if (IS_IUNLINK(inode)) -+ newflags |= JFS_IUNLINK_FL; -+ if (IS_BARRIER(inode)) -+ newflags |= JFS_BARRIER_FL; -+ -+ /* we do not want to copy superblock flags */ -+ if (inode->i_flags & S_NOATIME) -+ newflags |= JFS_NOATIME_FL; -+ if (inode->i_flags & S_SYNC) -+ newflags |= JFS_SYNC_FL; -+ if (inode->i_flags & S_DIRSYNC) -+ newflags |= JFS_DIRSYNC_FL; -+ -+ if (oldflags ^ newflags) { -+ JFS_IP(inode)->mode2 = newflags; -+ inode->i_ctime = CURRENT_TIME; -+ mark_inode_dirty(inode); -+ } -+ return 0; - } - - /* -@@ -89,10 +131,17 @@ struct inode *ialloc(struct inode *paren - jfs_inode->saved_uid = inode->i_uid; - jfs_inode->saved_gid = inode->i_gid; - -+ inode->i_xid = vx_current_fsxid(sb); -+ if (DLIMIT_ALLOC_INODE(inode)) { -+ iput(inode); -+ return NULL; -+ } -+ - /* - * Allocate inode to quota. - */ - if (DQUOT_ALLOC_INODE(inode)) { -+ DLIMIT_FREE_INODE(inode); - DQUOT_DROP(inode); - inode->i_flags |= S_NOQUOTA; - inode->i_nlink = 0; -Index: linux-2.6.18/fs/jfs/jfs_inode.h -=================================================================== ---- linux-2.6.18.orig/fs/jfs/jfs_inode.h -+++ linux-2.6.18/fs/jfs/jfs_inode.h -@@ -31,6 +31,7 @@ extern void jfs_truncate(struct inode *) - extern void jfs_truncate_nolock(struct inode *, loff_t); - extern void jfs_free_zero_link(struct inode *); - extern struct dentry *jfs_get_parent(struct dentry *dentry); -+extern int jfs_sync_flags(struct inode *); - extern void jfs_set_inode_flags(struct inode *); - extern int jfs_get_block(struct inode *, sector_t, struct buffer_head *, int); - -Index: linux-2.6.18/fs/jfs/jfs_xtree.c -=================================================================== ---- linux-2.6.18.orig/fs/jfs/jfs_xtree.c -+++ linux-2.6.18/fs/jfs/jfs_xtree.c -@@ -21,6 +21,7 @@ - - #include <linux/fs.h> - #include <linux/quotaops.h> -+#include <linux/vs_dlimit.h> - #include "jfs_incore.h" - #include "jfs_filsys.h" - #include "jfs_metapage.h" -@@ -841,7 +842,12 @@ int xtInsert(tid_t tid, /* transaction - hint = 0; - if ((rc = DQUOT_ALLOC_BLOCK(ip, xlen))) - goto out; -+ if ((rc = DLIMIT_ALLOC_BLOCK(ip, xlen))) { -+ DQUOT_FREE_BLOCK(ip, xlen); -+ goto out; -+ } - if ((rc = dbAlloc(ip, hint, (s64) xlen, &xaddr))) { -+ DLIMIT_FREE_BLOCK(ip, xlen); - DQUOT_FREE_BLOCK(ip, xlen); - goto out; - } -@@ -871,6 +877,7 @@ int xtInsert(tid_t tid, /* transaction - /* undo data extent allocation */ - if (*xaddrp == 0) { - dbFree(ip, xaddr, (s64) xlen); -+ DLIMIT_FREE_BLOCK(ip, xlen); - DQUOT_FREE_BLOCK(ip, xlen); - } - return rc; -@@ -1231,6 +1238,7 @@ xtSplitPage(tid_t tid, struct inode *ip, - struct tlock *tlck; - struct xtlock *sxtlck = NULL, *rxtlck = NULL; - int quota_allocation = 0; -+ int dlimit_allocation = 0; - - smp = split->mp; - sp = XT_PAGE(ip, smp); -@@ -1250,6 +1258,13 @@ xtSplitPage(tid_t tid, struct inode *ip, - - quota_allocation += lengthPXD(pxd); - -+ /* Allocate blocks to dlimit. */ -+ if (DLIMIT_ALLOC_BLOCK(ip, lengthPXD(pxd))) { -+ rc = -ENOSPC; -+ goto clean_up; -+ } -+ dlimit_allocation += lengthPXD(pxd); -+ - /* - * allocate the new right page for the split - */ -@@ -1451,6 +1466,9 @@ xtSplitPage(tid_t tid, struct inode *ip, - - clean_up: - -+ /* Rollback dlimit allocation. */ -+ if (dlimit_allocation) -+ DLIMIT_FREE_BLOCK(ip, dlimit_allocation); - /* Rollback quota allocation. */ - if (quota_allocation) - DQUOT_FREE_BLOCK(ip, quota_allocation); -@@ -1515,6 +1533,12 @@ xtSplitRoot(tid_t tid, - release_metapage(rmp); - return -EDQUOT; - } -+ /* Allocate blocks to dlimit. */ -+ if (DLIMIT_ALLOC_BLOCK(ip, lengthPXD(pxd))) { -+ DQUOT_FREE_BLOCK(ip, lengthPXD(pxd)); -+ release_metapage(rmp); -+ return -ENOSPC; -+ } - - jfs_info("xtSplitRoot: ip:0x%p rmp:0x%p", ip, rmp); - -@@ -3941,6 +3965,8 @@ s64 xtTruncate(tid_t tid, struct inode * - else - ip->i_size = newsize; - -+ /* update dlimit allocation to reflect freed blocks */ -+ DLIMIT_FREE_BLOCK(ip, nfreed); - /* update quota allocation to reflect freed blocks */ - DQUOT_FREE_BLOCK(ip, nfreed); - -Index: linux-2.6.18/fs/jfs/namei.c -=================================================================== ---- linux-2.6.18.orig/fs/jfs/namei.c -+++ linux-2.6.18/fs/jfs/namei.c -@@ -20,6 +20,7 @@ - #include <linux/fs.h> - #include <linux/ctype.h> - #include <linux/quotaops.h> -+#include <linux/vserver/xid.h> - #include "jfs_incore.h" - #include "jfs_superblock.h" - #include "jfs_inode.h" -@@ -1464,6 +1465,7 @@ static struct dentry *jfs_lookup(struct - return ERR_PTR(-EACCES); - } - -+ vx_propagate_xid(nd, ip); - dentry = d_splice_alias(ip, dentry); - - if (dentry && (JFS_SBI(dip->i_sb)->mntflag & JFS_OS2)) -@@ -1516,6 +1518,7 @@ struct inode_operations jfs_dir_inode_op - .setattr = jfs_setattr, - .permission = jfs_permission, - #endif -+ .sync_flags = jfs_sync_flags, - }; - - const struct file_operations jfs_dir_operations = { -Index: linux-2.6.18/fs/jfs/super.c -=================================================================== ---- linux-2.6.18.orig/fs/jfs/super.c -+++ linux-2.6.18/fs/jfs/super.c -@@ -194,7 +194,8 @@ static void jfs_put_super(struct super_b - enum { - Opt_integrity, Opt_nointegrity, Opt_iocharset, Opt_resize, - Opt_resize_nosize, Opt_errors, Opt_ignore, Opt_err, Opt_quota, -- Opt_usrquota, Opt_grpquota, Opt_uid, Opt_gid, Opt_umask -+ Opt_usrquota, Opt_grpquota, Opt_uid, Opt_gid, Opt_umask, -+ Opt_tagxid - }; - - static match_table_t tokens = { -@@ -204,6 +205,7 @@ static match_table_t tokens = { - {Opt_resize, "resize=%u"}, - {Opt_resize_nosize, "resize"}, - {Opt_errors, "errors=%s"}, -+ {Opt_tagxid, "tagxid"}, - {Opt_ignore, "noquota"}, - {Opt_ignore, "quota"}, - {Opt_usrquota, "usrquota"}, -@@ -338,6 +340,11 @@ static int parse_options(char *options, - } - break; - } -+#ifndef CONFIG_TAGGING_NONE -+ case Opt_tagxid: -+ *flag |= JFS_TAGXID; -+ break; -+#endif - default: - printk("jfs: Unrecognized mount option \"%s\" " - " or missing value\n", p); -@@ -368,6 +375,13 @@ static int jfs_remount(struct super_bloc - if (!parse_options(data, sb, &newLVSize, &flag)) { - return -EINVAL; - } -+ -+ if ((flag & JFS_TAGXID) && !(sb->s_flags & MS_TAGXID)) { -+ printk(KERN_ERR "JFS: %s: tagxid not permitted on remount.\n", -+ sb->s_id); -+ return -EINVAL; -+ } -+ - if (newLVSize) { - if (sb->s_flags & MS_RDONLY) { - printk(KERN_ERR -@@ -439,6 +453,9 @@ static int jfs_fill_super(struct super_b - #ifdef CONFIG_JFS_POSIX_ACL - sb->s_flags |= MS_POSIXACL; - #endif -+ /* map mount option tagxid */ -+ if (sbi->flag & JFS_TAGXID) -+ sb->s_flags |= MS_TAGXID; - - if (newLVSize) { - printk(KERN_ERR "resize option for remount only\n"); -Index: linux-2.6.18/fs/jfs/xattr.c -=================================================================== ---- linux-2.6.18.orig/fs/jfs/xattr.c -+++ linux-2.6.18/fs/jfs/xattr.c -@@ -23,6 +23,7 @@ - #include <linux/posix_acl_xattr.h> - #include <linux/quotaops.h> - #include <linux/security.h> -+#include <linux/vs_dlimit.h> - #include "jfs_incore.h" - #include "jfs_superblock.h" - #include "jfs_dmap.h" -@@ -263,9 +264,16 @@ static int ea_write(struct inode *ip, st - if (DQUOT_ALLOC_BLOCK(ip, nblocks)) { - return -EDQUOT; - } -+ /* Allocate new blocks to dlimit. */ -+ if (DLIMIT_ALLOC_BLOCK(ip, nblocks)) { -+ DQUOT_FREE_BLOCK(ip, nblocks); -+ return -ENOSPC; -+ } - - rc = dbAlloc(ip, INOHINT(ip), nblocks, &blkno); - if (rc) { -+ /*Rollback dlimit allocation. */ -+ DLIMIT_FREE_BLOCK(ip, nblocks); - /*Rollback quota allocation. */ - DQUOT_FREE_BLOCK(ip, nblocks); - return rc; -@@ -332,6 +340,8 @@ static int ea_write(struct inode *ip, st - - failed: - /* Rollback quota allocation. */ -+ DLIMIT_FREE_BLOCK(ip, nblocks); -+ /* Rollback quota allocation. */ - DQUOT_FREE_BLOCK(ip, nblocks); - - dbFree(ip, blkno, nblocks); -@@ -468,6 +478,7 @@ static int ea_get(struct inode *inode, s - s64 blkno; - int rc; - int quota_allocation = 0; -+ int dlimit_allocation = 0; - - /* When fsck.jfs clears a bad ea, it doesn't clear the size */ - if (ji->ea.flag == 0) -@@ -543,6 +554,12 @@ static int ea_get(struct inode *inode, s - - quota_allocation = blocks_needed; - -+ /* Allocate new blocks to dlimit. */ -+ rc = -ENOSPC; -+ if (DLIMIT_ALLOC_BLOCK(inode, blocks_needed)) -+ goto clean_up; -+ dlimit_allocation = blocks_needed; -+ - rc = dbAlloc(inode, INOHINT(inode), (s64) blocks_needed, - &blkno); - if (rc) -@@ -599,6 +616,9 @@ static int ea_get(struct inode *inode, s - return ea_size; - - clean_up: -+ /* Rollback dlimit allocation */ -+ if (dlimit_allocation) -+ DLIMIT_FREE_BLOCK(inode, dlimit_allocation); - /* Rollback quota allocation */ - if (quota_allocation) - DQUOT_FREE_BLOCK(inode, quota_allocation); -@@ -675,8 +695,10 @@ static int ea_put(tid_t tid, struct inod - } - - /* If old blocks exist, they must be removed from quota allocation. */ -- if (old_blocks) -+ if (old_blocks) { -+ DLIMIT_FREE_BLOCK(inode, old_blocks); - DQUOT_FREE_BLOCK(inode, old_blocks); -+ } - - inode->i_ctime = CURRENT_TIME; - -Index: linux-2.6.18/fs/libfs.c -=================================================================== ---- linux-2.6.18.orig/fs/libfs.c -+++ linux-2.6.18/fs/libfs.c -@@ -124,7 +124,8 @@ static inline unsigned char dt_type(stru - * both impossible due to the lock on directory. - */ - --int dcache_readdir(struct file * filp, void * dirent, filldir_t filldir) -+static inline int do_dcache_readdir_filter(struct file * filp, -+ void * dirent, filldir_t filldir, int (*filter)(struct dentry *dentry)) - { - struct dentry *dentry = filp->f_dentry; - struct dentry *cursor = filp->private_data; -@@ -157,6 +158,8 @@ int dcache_readdir(struct file * filp, v - next = list_entry(p, struct dentry, d_u.d_child); - if (d_unhashed(next) || !next->d_inode) - continue; -+ if (filter && !filter(next)) -+ continue; - - spin_unlock(&dcache_lock); - if (filldir(dirent, next->d_name.name, next->d_name.len, filp->f_pos, next->d_inode->i_ino, dt_type(next->d_inode)) < 0) -@@ -172,6 +175,18 @@ int dcache_readdir(struct file * filp, v - return 0; - } - -+int dcache_readdir(struct file * filp, void * dirent, filldir_t filldir) -+{ -+ return do_dcache_readdir_filter(filp, dirent, filldir, NULL); -+} -+ -+int dcache_readdir_filter(struct file * filp, void * dirent, filldir_t filldir, -+ int (*filter)(struct dentry *)) -+{ -+ return do_dcache_readdir_filter(filp, dirent, filldir, filter); -+} -+ -+ - ssize_t generic_read_dir(struct file *filp, char __user *buf, size_t siz, loff_t *ppos) - { - return -EISDIR; -@@ -621,6 +636,7 @@ EXPORT_SYMBOL(dcache_dir_close); - EXPORT_SYMBOL(dcache_dir_lseek); - EXPORT_SYMBOL(dcache_dir_open); - EXPORT_SYMBOL(dcache_readdir); -+EXPORT_SYMBOL(dcache_readdir_filter); - EXPORT_SYMBOL(generic_read_dir); - EXPORT_SYMBOL(get_sb_pseudo); - EXPORT_SYMBOL(simple_commit_write); -Index: linux-2.6.18/fs/lockd/clntproc.c -=================================================================== ---- linux-2.6.18.orig/fs/lockd/clntproc.c -+++ linux-2.6.18/fs/lockd/clntproc.c -@@ -17,6 +17,7 @@ - #include <linux/sunrpc/svc.h> - #include <linux/lockd/lockd.h> - #include <linux/lockd/sm_inter.h> -+#include <linux/vs_cvirt.h> - - #define NLMDBG_FACILITY NLMDBG_CLIENT - #define NLMCLNT_GRACE_WAIT (5*HZ) -@@ -129,11 +130,11 @@ static void nlmclnt_setlockargs(struct n - nlmclnt_next_cookie(&argp->cookie); - argp->state = nsm_local_state; - memcpy(&lock->fh, NFS_FH(fl->fl_file->f_dentry->d_inode), sizeof(struct nfs_fh)); -- lock->caller = system_utsname.nodename; -+ lock->caller = vx_new_uts(nodename); - lock->oh.data = req->a_owner; - lock->oh.len = snprintf(req->a_owner, sizeof(req->a_owner), "%u@%s", - (unsigned int)fl->fl_u.nfs_fl.owner->pid, -- system_utsname.nodename); -+ vx_new_uts(nodename)); - lock->svid = fl->fl_u.nfs_fl.owner->pid; - lock->fl.fl_start = fl->fl_start; - lock->fl.fl_end = fl->fl_end; -Index: linux-2.6.18/fs/locks.c -=================================================================== ---- linux-2.6.18.orig/fs/locks.c -+++ linux-2.6.18/fs/locks.c -@@ -125,6 +125,7 @@ - #include <linux/syscalls.h> - #include <linux/time.h> - #include <linux/rcupdate.h> -+#include <linux/vs_limit.h> - - #include <asm/semaphore.h> - #include <asm/uaccess.h> -@@ -147,6 +148,8 @@ static kmem_cache_t *filelock_cache __re - /* Allocate an empty lock structure. */ - static struct file_lock *locks_alloc_lock(void) - { -+ if (!vx_locks_avail(1)) -+ return NULL; - return kmem_cache_alloc(filelock_cache, SLAB_KERNEL); - } - -@@ -172,6 +175,7 @@ static void locks_free_lock(struct file_ - BUG_ON(!list_empty(&fl->fl_block)); - BUG_ON(!list_empty(&fl->fl_link)); - -+ vx_locks_dec(fl); - locks_release_private(fl); - kmem_cache_free(filelock_cache, fl); - } -@@ -191,6 +195,7 @@ void locks_init_lock(struct file_lock *f - fl->fl_start = fl->fl_end = 0; - fl->fl_ops = NULL; - fl->fl_lmops = NULL; -+ fl->fl_xid = -1; - } - - EXPORT_SYMBOL(locks_init_lock); -@@ -248,6 +253,7 @@ void locks_copy_lock(struct file_lock *n - new->fl_file = fl->fl_file; - new->fl_ops = fl->fl_ops; - new->fl_lmops = fl->fl_lmops; -+ new->fl_xid = fl->fl_xid; - - locks_copy_private(new, fl); - } -@@ -286,6 +292,9 @@ static int flock_make_lock(struct file * - fl->fl_flags = FL_FLOCK; - fl->fl_type = type; - fl->fl_end = OFFSET_MAX; -+ -+ fl->fl_xid = filp->f_xid; -+ vx_locks_inc(fl); - - *lock = fl; - return 0; -@@ -451,6 +460,7 @@ static int lease_init(struct file *filp, - - fl->fl_owner = current->files; - fl->fl_pid = current->tgid; -+ fl->fl_xid = vx_current_xid(); - - fl->fl_file = filp; - fl->fl_flags = FL_LEASE; -@@ -470,6 +480,8 @@ static int lease_alloc(struct file *filp - if (fl == NULL) - goto out; - -+ fl->fl_xid = vx_current_xid(); -+ vx_locks_inc(fl); - error = lease_init(filp, type, fl); - if (error) { - locks_free_lock(fl); -@@ -790,6 +802,7 @@ find_conflict: - if (request->fl_flags & FL_ACCESS) - goto out; - locks_copy_lock(new_fl, request); -+ vx_locks_inc(new_fl); - locks_insert_lock(&inode->i_flock, new_fl); - new_fl = NULL; - error = 0; -@@ -801,7 +814,8 @@ out: - return error; - } - --static int __posix_lock_file_conf(struct inode *inode, struct file_lock *request, struct file_lock *conflock) -+static int __posix_lock_file_conf(struct inode *inode, struct file_lock *request, -+ struct file_lock *conflock, xid_t xid) - { - struct file_lock *fl; - struct file_lock *new_fl = NULL; -@@ -821,7 +835,11 @@ static int __posix_lock_file_conf(struct - (request->fl_type != F_UNLCK || - request->fl_start != 0 || request->fl_end != OFFSET_MAX)) { - new_fl = locks_alloc_lock(); -+ new_fl->fl_xid = xid; -+ vx_locks_inc(new_fl); - new_fl2 = locks_alloc_lock(); -+ new_fl2->fl_xid = xid; -+ vx_locks_inc(new_fl2); - } - - lock_kernel(); -@@ -1018,7 +1036,8 @@ static int __posix_lock_file_conf(struct - */ - int posix_lock_file(struct file *filp, struct file_lock *fl) - { -- return __posix_lock_file_conf(filp->f_dentry->d_inode, fl, NULL); -+ return __posix_lock_file_conf(filp->f_dentry->d_inode, -+ fl, NULL, filp->f_xid); - } - EXPORT_SYMBOL(posix_lock_file); - -@@ -1033,7 +1052,8 @@ EXPORT_SYMBOL(posix_lock_file); - int posix_lock_file_conf(struct file *filp, struct file_lock *fl, - struct file_lock *conflock) - { -- return __posix_lock_file_conf(filp->f_dentry->d_inode, fl, conflock); -+ return __posix_lock_file_conf(filp->f_dentry->d_inode, -+ fl, conflock, filp->f_xid); - } - EXPORT_SYMBOL(posix_lock_file_conf); - -@@ -1123,7 +1143,7 @@ int locks_mandatory_area(int read_write, - fl.fl_end = offset + count - 1; - - for (;;) { -- error = __posix_lock_file_conf(inode, &fl, NULL); -+ error = __posix_lock_file_conf(inode, &fl, NULL, filp->f_xid); - if (error != -EAGAIN) - break; - if (!(fl.fl_flags & FL_SLEEP)) -@@ -1685,6 +1705,9 @@ int fcntl_setlk(unsigned int fd, struct - if (file_lock == NULL) - return -ENOLCK; - -+ file_lock->fl_xid = filp->f_xid; -+ vx_locks_inc(file_lock); -+ - /* - * This might block, so we do it before checking the inode. - */ -@@ -1828,6 +1851,9 @@ int fcntl_setlk64(unsigned int fd, struc - if (file_lock == NULL) - return -ENOLCK; - -+ file_lock->fl_xid = filp->f_xid; -+ vx_locks_inc(file_lock); -+ - /* - * This might block, so we do it before checking the inode. - */ -@@ -2123,6 +2149,10 @@ int get_locks_status(char *buffer, char - list_for_each(tmp, &file_lock_list) { - struct list_head *btmp; - struct file_lock *fl = list_entry(tmp, struct file_lock, fl_link); -+ -+ if (!vx_check(fl->fl_xid, VX_IDENT|VX_WATCH)) -+ continue; -+ - lock_get_status(q, fl, ++i, ""); - move_lock_status(&q, &pos, offset); - -Index: linux-2.6.18/fs/namei.c -=================================================================== ---- linux-2.6.18.orig/fs/namei.c -+++ linux-2.6.18/fs/namei.c -@@ -32,6 +32,9 @@ - #include <linux/file.h> - #include <linux/fcntl.h> - #include <linux/namei.h> -+#include <linux/proc_fs.h> -+#include <linux/vserver/inode.h> -+#include <linux/vserver/debug.h> - #include <asm/namei.h> - #include <asm/uaccess.h> - -@@ -225,6 +228,31 @@ int generic_permission(struct inode *ino - return -EACCES; - } - -+static inline int vx_barrier(struct inode *inode) -+{ -+ if (IS_BARRIER(inode) && !vx_check(0, VX_ADMIN|VX_WATCH)) { -+ vxwprintk(1, "xid=%d did hit the barrier.", -+ vx_current_xid()); -+ return 1; -+ } -+ return 0; -+} -+ -+static inline int xid_permission(struct inode *inode, int mask, struct nameidata *nd) -+{ -+ if (vx_barrier(inode)) -+ return -EACCES; -+ if (inode->i_xid == 0) -+ return 0; -+ if (vx_check(inode->i_xid, VX_ADMIN|VX_WATCH|VX_IDENT)) -+ return 0; -+ -+ vxwprintk(1, "xid=%d denied access to %p[#%d,%lu] »%s«.", -+ vx_current_xid(), inode, inode->i_xid, inode->i_ino, -+ vxd_cond_path(nd)); -+ return -EACCES; -+} -+ - int permission(struct inode *inode, int mask, struct nameidata *nd) - { - umode_t mode = inode->i_mode; -@@ -235,7 +263,7 @@ int permission(struct inode *inode, int - /* - * Nobody gets write access to a read-only fs. - */ -- if (IS_RDONLY(inode) && -+ if ((IS_RDONLY(inode) || (nd && MNT_IS_RDONLY(nd->mnt))) && - (S_ISREG(mode) || S_ISDIR(mode) || S_ISLNK(mode))) - return -EROFS; - -@@ -256,6 +284,8 @@ int permission(struct inode *inode, int - - /* Ordinary permission routines do not understand MAY_APPEND. */ - submask = mask & ~MAY_APPEND; -+ if ((retval = xid_permission(inode, mask, nd))) -+ return retval; - if (inode->i_op && inode->i_op->permission) - retval = inode->i_op->permission(inode, submask, nd); - else -@@ -410,6 +440,8 @@ static int exec_permission_lite(struct i - { - umode_t mode = inode->i_mode; - -+ if (vx_barrier(inode)) -+ return -EACCES; - if (inode->i_op && inode->i_op->permission) - return -EAGAIN; - -@@ -712,7 +744,8 @@ static __always_inline void follow_dotdo - if (nd->dentry == current->fs->root && - nd->mnt == current->fs->rootmnt) { - read_unlock(¤t->fs->lock); -- break; -+ /* for sane '/' avoid follow_mount() */ -+ return; - } - read_unlock(¤t->fs->lock); - spin_lock(&dcache_lock); -@@ -749,16 +782,35 @@ static int do_lookup(struct nameidata *n - { - struct vfsmount *mnt = nd->mnt; - struct dentry *dentry = __d_lookup(nd->dentry, name); -+ struct inode *inode; - - if (!dentry) - goto need_lookup; - if (dentry->d_op && dentry->d_op->d_revalidate) - goto need_revalidate; - done: -+ inode = dentry->d_inode; -+ if (!inode) -+ goto no_inode; -+ if (!vx_check(inode->i_xid, VX_WATCH|VX_ADMIN|VX_HOSTID|VX_IDENT)) -+ goto hidden; -+ if (inode->i_sb->s_magic == PROC_SUPER_MAGIC) { -+ struct proc_dir_entry *de = PDE(inode); -+ -+ if (de && !vx_hide_check(0, de->vx_flags)) -+ goto hidden; -+ } -+no_inode: - path->mnt = mnt; - path->dentry = dentry; - __follow_mount(path); - return 0; -+hidden: -+ vxwprintk(1, "xid=%d did lookup hidden %p[#%d,%lu] »%s«.", -+ vx_current_xid(), inode, inode->i_xid, inode->i_ino, -+ vxd_path(dentry, mnt)); -+ dput(dentry); -+ return -ENOENT; - - need_lookup: - dentry = real_lookup(nd->dentry, name, nd); -@@ -1356,7 +1408,8 @@ static inline int check_sticky(struct in - * 10. We don't allow removal of NFS sillyrenamed files; it's handled by - * nfs_async_unlink(). - */ --static int may_delete(struct inode *dir,struct dentry *victim,int isdir) -+static int may_delete(struct inode *dir, struct dentry *victim, -+ int isdir, struct nameidata *nd) - { - int error; - -@@ -1366,13 +1419,13 @@ static int may_delete(struct inode *dir, - BUG_ON(victim->d_parent->d_inode != dir); - audit_inode_child(victim->d_name.name, victim->d_inode, dir); - -- error = permission(dir,MAY_WRITE | MAY_EXEC, NULL); -+ error = permission(dir,MAY_WRITE | MAY_EXEC, nd); - if (error) - return error; - if (IS_APPEND(dir)) - return -EPERM; - if (check_sticky(dir, victim->d_inode)||IS_APPEND(victim->d_inode)|| -- IS_IMMUTABLE(victim->d_inode)) -+ IS_IXORUNLINK(victim->d_inode)) - return -EPERM; - if (isdir) { - if (!S_ISDIR(victim->d_inode->i_mode)) -@@ -1519,7 +1572,8 @@ int may_open(struct nameidata *nd, int a - return -EACCES; - - flag &= ~O_TRUNC; -- } else if (IS_RDONLY(inode) && (flag & FMODE_WRITE)) -+ } else if ((IS_RDONLY(inode) || MNT_IS_RDONLY(nd->mnt)) -+ && (flag & FMODE_WRITE)) - return -EROFS; - /* - * An append-only file must be opened in append mode for writing. -@@ -1801,9 +1855,10 @@ fail: - } - EXPORT_SYMBOL_GPL(lookup_create); - --int vfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev) -+int vfs_mknod(struct inode *dir, struct dentry *dentry, -+ int mode, dev_t dev, struct nameidata *nd) - { -- int error = may_create(dir, dentry, NULL); -+ int error = may_create(dir, dentry, nd); - - if (error) - return error; -@@ -1853,11 +1908,12 @@ asmlinkage long sys_mknodat(int dfd, con - error = vfs_create(nd.dentry->d_inode,dentry,mode,&nd); - break; - case S_IFCHR: case S_IFBLK: -- error = vfs_mknod(nd.dentry->d_inode,dentry,mode, -- new_decode_dev(dev)); -+ error = vfs_mknod(nd.dentry->d_inode, dentry, mode, -+ new_decode_dev(dev), &nd); - break; - case S_IFIFO: case S_IFSOCK: -- error = vfs_mknod(nd.dentry->d_inode,dentry,mode,0); -+ error = vfs_mknod(nd.dentry->d_inode, dentry, mode, -+ 0, &nd); - break; - case S_IFDIR: - error = -EPERM; -@@ -1880,9 +1936,10 @@ asmlinkage long sys_mknod(const char __u - return sys_mknodat(AT_FDCWD, filename, mode, dev); - } - --int vfs_mkdir(struct inode *dir, struct dentry *dentry, int mode) -+int vfs_mkdir(struct inode *dir, struct dentry *dentry, -+ int mode, struct nameidata *nd) - { -- int error = may_create(dir, dentry, NULL); -+ int error = may_create(dir, dentry, nd); - - if (error) - return error; -@@ -1921,7 +1978,8 @@ asmlinkage long sys_mkdirat(int dfd, con - if (!IS_ERR(dentry)) { - if (!IS_POSIXACL(nd.dentry->d_inode)) - mode &= ~current->fs->umask; -- error = vfs_mkdir(nd.dentry->d_inode, dentry, mode); -+ error = vfs_mkdir(nd.dentry->d_inode, dentry, -+ mode, &nd); - dput(dentry); - } - mutex_unlock(&nd.dentry->d_inode->i_mutex); -@@ -1966,9 +2024,10 @@ void dentry_unhash(struct dentry *dentry - spin_unlock(&dcache_lock); - } - --int vfs_rmdir(struct inode *dir, struct dentry *dentry) -+int vfs_rmdir(struct inode *dir, struct dentry *dentry, -+ struct nameidata *nd) - { -- int error = may_delete(dir, dentry, 1); -+ int error = may_delete(dir, dentry, 1, nd); - - if (error) - return error; -@@ -2029,7 +2088,7 @@ static long do_rmdir(int dfd, const char - dentry = lookup_hash(&nd); - error = PTR_ERR(dentry); - if (!IS_ERR(dentry)) { -- error = vfs_rmdir(nd.dentry->d_inode, dentry); -+ error = vfs_rmdir(nd.dentry->d_inode, dentry, &nd); - dput(dentry); - } - mutex_unlock(&nd.dentry->d_inode->i_mutex); -@@ -2045,9 +2104,10 @@ asmlinkage long sys_rmdir(const char __u - return do_rmdir(AT_FDCWD, pathname); - } - --int vfs_unlink(struct inode *dir, struct dentry *dentry) -+int vfs_unlink(struct inode *dir, struct dentry *dentry, -+ struct nameidata *nd) - { -- int error = may_delete(dir, dentry, 0); -+ int error = may_delete(dir, dentry, 0, nd); - - if (error) - return error; -@@ -2109,7 +2169,7 @@ static long do_unlinkat(int dfd, const c - inode = dentry->d_inode; - if (inode) - atomic_inc(&inode->i_count); -- error = vfs_unlink(nd.dentry->d_inode, dentry); -+ error = vfs_unlink(nd.dentry->d_inode, dentry, &nd); - exit2: - dput(dentry); - } -@@ -2144,9 +2204,10 @@ asmlinkage long sys_unlink(const char __ - return do_unlinkat(AT_FDCWD, pathname); - } - --int vfs_symlink(struct inode *dir, struct dentry *dentry, const char *oldname, int mode) -+int vfs_symlink(struct inode *dir, struct dentry *dentry, -+ const char *oldname, int mode, struct nameidata *nd) - { -- int error = may_create(dir, dentry, NULL); -+ int error = may_create(dir, dentry, nd); - - if (error) - return error; -@@ -2187,7 +2248,8 @@ asmlinkage long sys_symlinkat(const char - dentry = lookup_create(&nd, 0); - error = PTR_ERR(dentry); - if (!IS_ERR(dentry)) { -- error = vfs_symlink(nd.dentry->d_inode, dentry, from, S_IALLUGO); -+ error = vfs_symlink(nd.dentry->d_inode, dentry, -+ from, S_IALLUGO, &nd); - dput(dentry); - } - mutex_unlock(&nd.dentry->d_inode->i_mutex); -@@ -2204,7 +2266,8 @@ asmlinkage long sys_symlink(const char _ - return sys_symlinkat(oldname, AT_FDCWD, newname); - } - --int vfs_link(struct dentry *old_dentry, struct inode *dir, struct dentry *new_dentry) -+int vfs_link(struct dentry *old_dentry, struct inode *dir, -+ struct dentry *new_dentry, struct nameidata *nd) - { - struct inode *inode = old_dentry->d_inode; - int error; -@@ -2212,7 +2275,7 @@ int vfs_link(struct dentry *old_dentry, - if (!inode) - return -ENOENT; - -- error = may_create(dir, new_dentry, NULL); -+ error = may_create(dir, new_dentry, nd); - if (error) - return error; - -@@ -2222,7 +2285,7 @@ int vfs_link(struct dentry *old_dentry, - /* - * A link to an append-only or immutable file cannot be created. - */ -- if (IS_APPEND(inode) || IS_IMMUTABLE(inode)) -+ if (IS_APPEND(inode) || IS_IXORUNLINK(inode)) - return -EPERM; - if (!dir->i_op || !dir->i_op->link) - return -EPERM; -@@ -2281,7 +2344,8 @@ asmlinkage long sys_linkat(int olddfd, c - new_dentry = lookup_create(&nd, 0); - error = PTR_ERR(new_dentry); - if (!IS_ERR(new_dentry)) { -- error = vfs_link(old_nd.dentry, nd.dentry->d_inode, new_dentry); -+ error = vfs_link(old_nd.dentry, nd.dentry->d_inode, -+ new_dentry, &nd); - dput(new_dentry); - } - mutex_unlock(&nd.dentry->d_inode->i_mutex); -@@ -2413,14 +2477,14 @@ int vfs_rename(struct inode *old_dir, st - if (old_dentry->d_inode == new_dentry->d_inode) - return 0; - -- error = may_delete(old_dir, old_dentry, is_dir); -+ error = may_delete(old_dir, old_dentry, is_dir, NULL); - if (error) - return error; - - if (!new_dentry->d_inode) - error = may_create(new_dir, new_dentry, NULL); - else -- error = may_delete(new_dir, new_dentry, is_dir); -+ error = may_delete(new_dir, new_dentry, is_dir, NULL); - if (error) - return error; - -@@ -2498,6 +2562,9 @@ static int do_rename(int olddfd, const c - error = -EINVAL; - if (old_dentry == trap) - goto exit4; -+ error = -EROFS; -+ if (MNT_IS_RDONLY(newnd.mnt)) -+ goto exit4; - new_dentry = lookup_hash(&newnd); - error = PTR_ERR(new_dentry); - if (IS_ERR(new_dentry)) -Index: linux-2.6.18/fs/namespace.c -=================================================================== ---- linux-2.6.18.orig/fs/namespace.c -+++ linux-2.6.18/fs/namespace.c -@@ -22,6 +22,8 @@ - #include <linux/namei.h> - #include <linux/security.h> - #include <linux/mount.h> -+#include <linux/vserver/namespace.h> -+#include <linux/vserver/xid.h> - #include <asm/uaccess.h> - #include <asm/unistd.h> - #include "pnode.h" -@@ -249,6 +251,7 @@ static struct vfsmount *clone_mnt(struct - mnt->mnt_root = dget(root); - mnt->mnt_mountpoint = mnt->mnt_root; - mnt->mnt_parent = mnt; -+ mnt->mnt_xid = old->mnt_xid; - - if (flag & CL_SLAVE) { - list_add(&mnt->mnt_slave, &old->mnt_slave_list); -@@ -357,43 +360,85 @@ static inline void mangle(struct seq_fil - seq_escape(m, s, " \t\n\\"); - } - -+static int mnt_is_reachable(struct vfsmount *mnt) -+{ -+ struct vfsmount *root_mnt; -+ struct dentry *root, *point; -+ int ret; -+ -+ if (mnt == mnt->mnt_namespace->root) -+ return 1; -+ -+ spin_lock(&dcache_lock); -+ root_mnt = current->fs->rootmnt; -+ root = current->fs->root; -+ point = root; -+ -+ while ((mnt != mnt->mnt_parent) && (mnt != root_mnt)) { -+ point = mnt->mnt_mountpoint; -+ mnt = mnt->mnt_parent; -+ } -+ -+ ret = (mnt == root_mnt) && is_subdir(point, root); -+ -+ spin_unlock(&dcache_lock); -+ -+ return ret; -+} -+ - static int show_vfsmnt(struct seq_file *m, void *v) - { - struct vfsmount *mnt = v; - int err = 0; - static struct proc_fs_info { -- int flag; -- char *str; -+ int s_flag; -+ int mnt_flag; -+ char *set_str; -+ char *unset_str; - } fs_info[] = { -- { MS_SYNCHRONOUS, ",sync" }, -- { MS_DIRSYNC, ",dirsync" }, -- { MS_MANDLOCK, ",mand" }, -- { 0, NULL } -+ { MS_RDONLY, MNT_RDONLY, "ro", "rw" }, -+ { MS_SYNCHRONOUS, 0, ",sync", NULL }, -+ { MS_DIRSYNC, 0, ",dirsync", NULL }, -+ { MS_MANDLOCK, 0, ",mand", NULL }, -+ { MS_TAGXID, 0, ",tagxid", NULL }, -+ { MS_NOATIME, MNT_NOATIME, ",noatime", NULL }, -+ { MS_NODIRATIME, MNT_NODIRATIME, ",nodiratime", NULL }, -+ { 0, MNT_NOSUID, ",nosuid", NULL }, -+ { 0, MNT_NODEV, ",nodev", NULL }, -+ { 0, MNT_NOEXEC, ",noexec", NULL }, -+ { 0, 0, NULL, NULL } - }; -- static struct proc_fs_info mnt_info[] = { -- { MNT_NOSUID, ",nosuid" }, -- { MNT_NODEV, ",nodev" }, -- { MNT_NOEXEC, ",noexec" }, -- { MNT_NOATIME, ",noatime" }, -- { MNT_NODIRATIME, ",nodiratime" }, -- { 0, NULL } -- }; -- struct proc_fs_info *fs_infop; -+ struct proc_fs_info *p; -+ unsigned long s_flags = mnt->mnt_sb->s_flags; -+ int mnt_flags = mnt->mnt_flags; - -- mangle(m, mnt->mnt_devname ? mnt->mnt_devname : "none"); -- seq_putc(m, ' '); -- seq_path(m, mnt, mnt->mnt_root, " \t\n\\"); -- seq_putc(m, ' '); -+ if (vx_flags(VXF_HIDE_MOUNT, 0)) -+ return 0; -+ if (!mnt_is_reachable(mnt)) -+ return 0; -+ -+ if (!vx_check(0, VX_ADMIN|VX_WATCH) && -+ mnt == current->fs->rootmnt) { -+ seq_puts(m, "/dev/root / "); -+ } else { -+ mangle(m, mnt->mnt_devname ? mnt->mnt_devname : "none"); -+ seq_putc(m, ' '); -+ seq_path(m, mnt, mnt->mnt_root, " \t\n\\"); -+ seq_putc(m, ' '); -+ } - mangle(m, mnt->mnt_sb->s_type->name); -- seq_puts(m, mnt->mnt_sb->s_flags & MS_RDONLY ? " ro" : " rw"); -- for (fs_infop = fs_info; fs_infop->flag; fs_infop++) { -- if (mnt->mnt_sb->s_flags & fs_infop->flag) -- seq_puts(m, fs_infop->str); -- } -- for (fs_infop = mnt_info; fs_infop->flag; fs_infop++) { -- if (mnt->mnt_flags & fs_infop->flag) -- seq_puts(m, fs_infop->str); -+ seq_putc(m, ' '); -+ for (p = fs_info; (p->s_flag | p->mnt_flag) ; p++) { -+ if ((s_flags & p->s_flag) || (mnt_flags & p->mnt_flag)) { -+ if (p->set_str) -+ seq_puts(m, p->set_str); -+ } else { -+ if (p->unset_str) -+ seq_puts(m, p->unset_str); -+ } - } -+ if (mnt->mnt_flags & MNT_XID) -+ seq_printf(m, ",xid=%d", mnt->mnt_xid); - if (mnt->mnt_sb->s_op->show_options) - err = mnt->mnt_sb->s_op->show_options(m, mnt); - seq_puts(m, " 0 0\n"); -@@ -412,17 +457,27 @@ static int show_vfsstat(struct seq_file - struct vfsmount *mnt = v; - int err = 0; - -- /* device */ -- if (mnt->mnt_devname) { -- seq_puts(m, "device "); -- mangle(m, mnt->mnt_devname); -- } else -- seq_puts(m, "no device"); -- -- /* mount point */ -- seq_puts(m, " mounted on "); -- seq_path(m, mnt, mnt->mnt_root, " \t\n\\"); -- seq_putc(m, ' '); -+ if (vx_flags(VXF_HIDE_MOUNT, 0)) -+ return 0; -+ if (!mnt_is_reachable(mnt) && !vx_check(0, VX_WATCH)) -+ return 0; -+ -+ if (!vx_check(0, VX_ADMIN|VX_WATCH) && -+ mnt == current->fs->rootmnt) { -+ seq_puts(m, "device /dev/root mounted on / "); -+ } else { -+ /* device */ -+ if (mnt->mnt_devname) { -+ seq_puts(m, "device "); -+ mangle(m, mnt->mnt_devname); -+ } else -+ seq_puts(m, "no device"); -+ -+ /* mount point */ -+ seq_puts(m, " mounted on "); -+ seq_path(m, mnt, mnt->mnt_root, " \t\n\\"); -+ seq_putc(m, ' '); -+ } - - /* file system type */ - seq_puts(m, "with fstype "); -@@ -652,7 +707,7 @@ asmlinkage long sys_umount(char __user * - goto dput_and_out; - - retval = -EPERM; -- if (!capable(CAP_SYS_ADMIN)) -+ if (!vx_capable(CAP_SYS_ADMIN, VXC_SECURE_MOUNT)) - goto dput_and_out; - - retval = do_umount(nd.mnt, flags); -@@ -676,7 +731,7 @@ asmlinkage long sys_oldumount(char __use - - static int mount_is_safe(struct nameidata *nd) - { -- if (capable(CAP_SYS_ADMIN)) -+ if (vx_capable(CAP_SYS_ADMIN, VXC_SECURE_MOUNT)) - return 0; - return -EPERM; - #ifdef notyet -@@ -905,11 +960,13 @@ static int do_change_type(struct nameida - /* - * do loopback mount. - */ --static int do_loopback(struct nameidata *nd, char *old_name, int recurse) -+static int do_loopback(struct nameidata *nd, char *old_name, xid_t xid, -+ unsigned long flags, int mnt_flags) - { - struct nameidata old_nd; - struct vfsmount *mnt = NULL; - int err = mount_is_safe(nd); -+ int recurse = flags & MS_REC; - if (err) - return err; - if (!old_name || !*old_name) -@@ -935,6 +992,12 @@ static int do_loopback(struct nameidata - if (!mnt) - goto out; - -+ mnt->mnt_flags = mnt_flags; -+ if (flags & MS_XID) { -+ mnt->mnt_xid = xid; -+ mnt->mnt_flags |= MNT_XID; -+ } -+ - err = graft_tree(mnt, nd); - if (err) { - LIST_HEAD(umount_list); -@@ -943,6 +1006,7 @@ static int do_loopback(struct nameidata - spin_unlock(&vfsmount_lock); - release_mounts(&umount_list); - } -+ mnt->mnt_flags = mnt_flags; - - out: - up_write(&namespace_sem); -@@ -956,12 +1020,12 @@ out: - * on it - tough luck. - */ - static int do_remount(struct nameidata *nd, int flags, int mnt_flags, -- void *data) -+ void *data, xid_t xid) - { - int err; - struct super_block *sb = nd->mnt->mnt_sb; - -- if (!capable(CAP_SYS_ADMIN)) -+ if (!vx_capable(CAP_SYS_ADMIN, VXC_SECURE_REMOUNT)) - return -EPERM; - - if (!check_mnt(nd->mnt)) -@@ -995,7 +1059,7 @@ static int do_move_mount(struct nameidat - struct nameidata old_nd, parent_nd; - struct vfsmount *p; - int err = 0; -- if (!capable(CAP_SYS_ADMIN)) -+ if (!vx_capable(CAP_SYS_ADMIN, VXC_SECURE_MOUNT)) - return -EPERM; - if (!old_name || !*old_name) - return -EINVAL; -@@ -1075,7 +1139,7 @@ static int do_new_mount(struct nameidata - return -EINVAL; - - /* we need capabilities... */ -- if (!capable(CAP_SYS_ADMIN)) -+ if (!vx_capable(CAP_SYS_ADMIN, VXC_SECURE_MOUNT)) - return -EPERM; - - mnt = do_kern_mount(type, flags, name, data); -@@ -1387,6 +1451,7 @@ long do_mount(char *dev_name, char *dir_ - struct nameidata nd; - int retval = 0; - int mnt_flags = 0; -+ xid_t xid = 0; - - /* Discard magic */ - if ((flags & MS_MGC_MSK) == MS_MGC_VAL) -@@ -1402,7 +1467,17 @@ long do_mount(char *dev_name, char *dir_ - if (data_page) - ((char *)data_page)[PAGE_SIZE - 1] = 0; - -+ retval = vx_parse_xid(data_page, &xid, 1); -+ if (retval) { -+ mnt_flags |= MNT_XID; -+ /* bind and re-mounts get xid flag */ -+ if (flags & (MS_BIND|MS_REMOUNT)) -+ flags |= MS_XID; -+ } -+ - /* Separate the per-mountpoint flags */ -+ if (flags & MS_RDONLY) -+ mnt_flags |= MNT_RDONLY; - if (flags & MS_NOSUID) - mnt_flags |= MNT_NOSUID; - if (flags & MS_NODEV) -@@ -1414,6 +1489,8 @@ long do_mount(char *dev_name, char *dir_ - if (flags & MS_NODIRATIME) - mnt_flags |= MNT_NODIRATIME; - -+ if (!capable(CAP_SYS_ADMIN)) -+ mnt_flags |= MNT_NODEV; - flags &= ~(MS_NOSUID | MS_NOEXEC | MS_NODEV | MS_ACTIVE | - MS_NOATIME | MS_NODIRATIME); - -@@ -1428,9 +1505,9 @@ long do_mount(char *dev_name, char *dir_ - - if (flags & MS_REMOUNT) - retval = do_remount(&nd, flags & ~MS_REMOUNT, mnt_flags, -- data_page); -+ data_page, xid); - else if (flags & MS_BIND) -- retval = do_loopback(&nd, dev_name, flags & MS_REC); -+ retval = do_loopback(&nd, dev_name, xid, flags, mnt_flags); - else if (flags & (MS_SHARED | MS_PRIVATE | MS_SLAVE | MS_UNBINDABLE)) - retval = do_change_type(&nd, flags); - else if (flags & MS_MOVE) -@@ -1528,7 +1605,7 @@ int copy_namespace(int flags, struct tas - if (!(flags & CLONE_NEWNS)) - return 0; - -- if (!capable(CAP_SYS_ADMIN)) { -+ if (!vx_capable(CAP_SYS_ADMIN, VXC_SECURE_MOUNT)) { - err = -EPERM; - goto out; - } -Index: linux-2.6.18/fs/nfs/dir.c -=================================================================== ---- linux-2.6.18.orig/fs/nfs/dir.c -+++ linux-2.6.18/fs/nfs/dir.c -@@ -28,9 +28,11 @@ - #include <linux/sunrpc/clnt.h> - #include <linux/nfs_fs.h> - #include <linux/nfs_mount.h> -+#include <linux/mount.h> - #include <linux/pagemap.h> - #include <linux/smp_lock.h> - #include <linux/namei.h> -+#include <linux/vserver/xid.h> - - #include "nfs4_fs.h" - #include "delegation.h" -@@ -928,6 +930,7 @@ static struct dentry *nfs_lookup(struct - res = (struct dentry *)inode; - if (IS_ERR(res)) - goto out_unlock; -+ vx_propagate_xid(nd, inode); - no_entry: - res = d_add_unique(dentry, inode); - if (res != NULL) -@@ -961,7 +964,8 @@ static int is_atomic_open(struct inode * - if (nd->flags & LOOKUP_DIRECTORY) - return 0; - /* Are we trying to write to a read only partition? */ -- if (IS_RDONLY(dir) && (nd->intent.open.flags & (O_CREAT|O_TRUNC|FMODE_WRITE))) -+ if ((IS_RDONLY(dir) || MNT_IS_RDONLY(nd->mnt)) && -+ (nd->intent.open.flags & (O_CREAT|O_TRUNC|FMODE_WRITE))) - return 0; - return 1; - } -Index: linux-2.6.18/fs/nfs/inode.c -=================================================================== ---- linux-2.6.18.orig/fs/nfs/inode.c -+++ linux-2.6.18/fs/nfs/inode.c -@@ -37,6 +37,7 @@ - #include <linux/vfs.h> - #include <linux/inet.h> - #include <linux/nfs_xdr.h> -+#include <linux/vserver/xid.h> - - #include <asm/system.h> - #include <asm/uaccess.h> -@@ -275,8 +276,10 @@ nfs_fhget(struct super_block *sb, struct - nfsi->change_attr = fattr->change_attr; - inode->i_size = nfs_size_to_loff_t(fattr->size); - inode->i_nlink = fattr->nlink; -- inode->i_uid = fattr->uid; -- inode->i_gid = fattr->gid; -+ inode->i_uid = INOXID_UID(XID_TAG(inode), fattr->uid, fattr->gid); -+ inode->i_gid = INOXID_GID(XID_TAG(inode), fattr->uid, fattr->gid); -+ inode->i_xid = INOXID_XID(XID_TAG(inode), fattr->uid, fattr->gid, 0); -+ /* maybe fattr->xid someday */ - if (fattr->valid & (NFS_ATTR_FATTR_V3 | NFS_ATTR_FATTR_V4)) { - /* - * report the blocks in 512byte units -@@ -367,6 +370,8 @@ void nfs_setattr_update_inode(struct ino - inode->i_uid = attr->ia_uid; - if ((attr->ia_valid & ATTR_GID) != 0) - inode->i_gid = attr->ia_gid; -+ if ((attr->ia_valid & ATTR_XID) && IS_TAGXID(inode)) -+ inode->i_xid = attr->ia_xid; - spin_lock(&inode->i_lock); - NFS_I(inode)->cache_validity |= NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL; - spin_unlock(&inode->i_lock); -@@ -769,6 +774,9 @@ static int nfs_check_inode_attributes(st - struct nfs_inode *nfsi = NFS_I(inode); - loff_t cur_size, new_isize; - int data_unstable; -+ uid_t uid; -+ gid_t gid; -+ xid_t xid; - - - /* Has the inode gone and changed behind our back? */ -@@ -796,10 +804,15 @@ static int nfs_check_inode_attributes(st - if (cur_size != new_isize && nfsi->npages == 0) - nfsi->cache_validity |= NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE; - -+ uid = INOXID_UID(XID_TAG(inode), fattr->uid, fattr->gid); -+ gid = INOXID_GID(XID_TAG(inode), fattr->uid, fattr->gid); -+ xid = INOXID_XID(XID_TAG(inode), fattr->uid, fattr->gid, 0); -+ - /* Have any file permissions changed? */ - if ((inode->i_mode & S_IALLUGO) != (fattr->mode & S_IALLUGO) -- || inode->i_uid != fattr->uid -- || inode->i_gid != fattr->gid) -+ || inode->i_uid != uid -+ || inode->i_gid != gid -+ || inode->i_xid != xid) - nfsi->cache_validity |= NFS_INO_INVALID_ATTR | NFS_INO_INVALID_ACCESS | NFS_INO_INVALID_ACL; - - /* Has the link count changed? */ -@@ -883,6 +896,9 @@ static int nfs_update_inode(struct inode - loff_t cur_isize, new_isize; - unsigned int invalid = 0; - int data_stable; -+ uid_t uid; -+ gid_t gid; -+ xid_t xid; - - dfprintk(VFS, "NFS: %s(%s/%ld ct=%d info=0x%x)\n", - __FUNCTION__, inode->i_sb->s_id, inode->i_ino, -@@ -955,15 +971,21 @@ static int nfs_update_inode(struct inode - } - memcpy(&inode->i_atime, &fattr->atime, sizeof(inode->i_atime)); - -+ uid = INOXID_UID(XID_TAG(inode), fattr->uid, fattr->gid); -+ gid = INOXID_GID(XID_TAG(inode), fattr->uid, fattr->gid); -+ xid = INOXID_XID(XID_TAG(inode), fattr->uid, fattr->gid, 0); -+ - if ((inode->i_mode & S_IALLUGO) != (fattr->mode & S_IALLUGO) || -- inode->i_uid != fattr->uid || -- inode->i_gid != fattr->gid) -+ inode->i_uid != uid || -+ inode->i_gid != gid || -+ inode->i_xid != xid) - invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL; - - inode->i_mode = fattr->mode; - inode->i_nlink = fattr->nlink; -- inode->i_uid = fattr->uid; -- inode->i_gid = fattr->gid; -+ inode->i_uid = uid; -+ inode->i_gid = gid; -+ inode->i_xid = xid; - - if (fattr->valid & (NFS_ATTR_FATTR_V3 | NFS_ATTR_FATTR_V4)) { - /* -Index: linux-2.6.18/fs/nfs/nfs3xdr.c -=================================================================== ---- linux-2.6.18.orig/fs/nfs/nfs3xdr.c -+++ linux-2.6.18/fs/nfs/nfs3xdr.c -@@ -22,6 +22,7 @@ - #include <linux/nfs3.h> - #include <linux/nfs_fs.h> - #include <linux/nfsacl.h> -+#include <linux/vserver/xid.h> - #include "internal.h" - - #define NFSDBG_FACILITY NFSDBG_XDR -@@ -178,7 +179,7 @@ xdr_decode_fattr(u32 *p, struct nfs_fatt - } - - static inline u32 * --xdr_encode_sattr(u32 *p, struct iattr *attr) -+xdr_encode_sattr(u32 *p, struct iattr *attr, int tagxid) - { - if (attr->ia_valid & ATTR_MODE) { - *p++ = xdr_one; -@@ -186,15 +187,17 @@ xdr_encode_sattr(u32 *p, struct iattr *a - } else { - *p++ = xdr_zero; - } -- if (attr->ia_valid & ATTR_UID) { -+ if (attr->ia_valid & ATTR_UID || -+ (tagxid && (attr->ia_valid & ATTR_XID))) { - *p++ = xdr_one; -- *p++ = htonl(attr->ia_uid); -+ *p++ = htonl(XIDINO_UID(tagxid, attr->ia_uid, attr->ia_xid)); - } else { - *p++ = xdr_zero; - } -- if (attr->ia_valid & ATTR_GID) { -+ if (attr->ia_valid & ATTR_GID || -+ (tagxid && (attr->ia_valid & ATTR_XID))) { - *p++ = xdr_one; -- *p++ = htonl(attr->ia_gid); -+ *p++ = htonl(XIDINO_GID(tagxid, attr->ia_gid, attr->ia_xid)); - } else { - *p++ = xdr_zero; - } -@@ -279,7 +282,8 @@ static int - nfs3_xdr_sattrargs(struct rpc_rqst *req, u32 *p, struct nfs3_sattrargs *args) - { - p = xdr_encode_fhandle(p, args->fh); -- p = xdr_encode_sattr(p, args->sattr); -+ p = xdr_encode_sattr(p, args->sattr, -+ req->rq_task->tk_client->cl_tagxid); - *p++ = htonl(args->guard); - if (args->guard) - p = xdr_encode_time3(p, &args->guardtime); -@@ -370,7 +374,8 @@ nfs3_xdr_createargs(struct rpc_rqst *req - *p++ = args->verifier[0]; - *p++ = args->verifier[1]; - } else -- p = xdr_encode_sattr(p, args->sattr); -+ p = xdr_encode_sattr(p, args->sattr, -+ req->rq_task->tk_client->cl_tagxid); - - req->rq_slen = xdr_adjust_iovec(req->rq_svec, p); - return 0; -@@ -384,7 +389,8 @@ nfs3_xdr_mkdirargs(struct rpc_rqst *req, - { - p = xdr_encode_fhandle(p, args->fh); - p = xdr_encode_array(p, args->name, args->len); -- p = xdr_encode_sattr(p, args->sattr); -+ p = xdr_encode_sattr(p, args->sattr, -+ req->rq_task->tk_client->cl_tagxid); - req->rq_slen = xdr_adjust_iovec(req->rq_svec, p); - return 0; - } -@@ -397,7 +403,8 @@ nfs3_xdr_symlinkargs(struct rpc_rqst *re - { - p = xdr_encode_fhandle(p, args->fromfh); - p = xdr_encode_array(p, args->fromname, args->fromlen); -- p = xdr_encode_sattr(p, args->sattr); -+ p = xdr_encode_sattr(p, args->sattr, -+ req->rq_task->tk_client->cl_tagxid); - p = xdr_encode_array(p, args->topath, args->tolen); - req->rq_slen = xdr_adjust_iovec(req->rq_svec, p); - return 0; -@@ -412,7 +419,8 @@ nfs3_xdr_mknodargs(struct rpc_rqst *req, - p = xdr_encode_fhandle(p, args->fh); - p = xdr_encode_array(p, args->name, args->len); - *p++ = htonl(args->type); -- p = xdr_encode_sattr(p, args->sattr); -+ p = xdr_encode_sattr(p, args->sattr, -+ req->rq_task->tk_client->cl_tagxid); - if (args->type == NF3CHR || args->type == NF3BLK) { - *p++ = htonl(MAJOR(args->rdev)); - *p++ = htonl(MINOR(args->rdev)); -Index: linux-2.6.18/fs/nfs/nfsroot.c -=================================================================== ---- linux-2.6.18.orig/fs/nfs/nfsroot.c -+++ linux-2.6.18/fs/nfs/nfsroot.c -@@ -87,6 +87,7 @@ - #include <linux/root_dev.h> - #include <net/ipconfig.h> - #include <linux/parser.h> -+#include <linux/vs_cvirt.h> - - /* Define this to allow debugging output */ - #undef NFSROOT_DEBUG -@@ -124,7 +125,7 @@ enum { - Opt_soft, Opt_hard, Opt_intr, - Opt_nointr, Opt_posix, Opt_noposix, Opt_cto, Opt_nocto, Opt_ac, - Opt_noac, Opt_lock, Opt_nolock, Opt_v2, Opt_v3, Opt_udp, Opt_tcp, -- Opt_acl, Opt_noacl, -+ Opt_acl, Opt_noacl, Opt_tagxid, - /* Error token */ - Opt_err - }; -@@ -161,6 +162,7 @@ static match_table_t __initdata tokens = - {Opt_tcp, "tcp"}, - {Opt_acl, "acl"}, - {Opt_noacl, "noacl"}, -+ {Opt_tagxid, "tagxid"}, - {Opt_err, NULL} - - }; -@@ -275,6 +277,11 @@ static int __init root_nfs_parse(char *n - case Opt_noacl: - nfs_data.flags |= NFS_MOUNT_NOACL; - break; -+#ifndef CONFIG_INOXID_NONE -+ case Opt_tagxid: -+ nfs_data.flags |= NFS_MOUNT_TAGXID; -+ break; -+#endif - default: - printk(KERN_WARNING "Root-NFS: unknown " - "option: %s\n", p); -@@ -312,7 +319,7 @@ static int __init root_nfs_name(char *na - /* Override them by options set on kernel command-line */ - root_nfs_parse(name, buf); - -- cp = system_utsname.nodename; -+ cp = vx_new_uts(nodename); - if (strlen(buf) + strlen(cp) > NFS_MAXPATHLEN) { - printk(KERN_ERR "Root-NFS: Pathname for remote directory too long.\n"); - return -1; -Index: linux-2.6.18/fs/nfs/super.c -=================================================================== ---- linux-2.6.18.orig/fs/nfs/super.c -+++ linux-2.6.18/fs/nfs/super.c -@@ -40,6 +40,7 @@ - #include <linux/vfs.h> - #include <linux/inet.h> - #include <linux/nfs_xdr.h> -+#include <linux/vserver/xid.h> - - #include <asm/system.h> - #include <asm/uaccess.h> -@@ -367,6 +368,7 @@ static void nfs_show_mount_options(struc - { NFS_MOUNT_NOAC, ",noac", "" }, - { NFS_MOUNT_NONLM, ",nolock", "" }, - { NFS_MOUNT_NOACL, ",noacl", "" }, -+ { NFS_MOUNT_TAGXID, ",tagxid", "" }, - { 0, NULL, NULL } - }; - struct proc_nfs_info *nfs_infop; -@@ -631,10 +633,14 @@ nfs_sb_init(struct super_block *sb, rpc_ - } - server->backing_dev_info.ra_pages = server->rpages * NFS_MAX_READAHEAD; - -+ if (server->flags & NFS_MOUNT_TAGXID) -+ sb->s_flags |= MS_TAGXID; -+ - nfs_super_set_maxbytes(sb, fsinfo.maxfilesize); - - server->client->cl_intr = (server->flags & NFS_MOUNT_INTR) ? 1 : 0; - server->client->cl_softrtry = (server->flags & NFS_MOUNT_SOFT) ? 1 : 0; -+ server->client->cl_tagxid = (server->flags & NFS_MOUNT_TAGXID) ? 1 : 0; - - /* We're airborne Set socket buffersize */ - rpc_setbufsize(server->client, server->wsize + 100, server->rsize + 100); -@@ -712,6 +718,7 @@ nfs_create_client(struct nfs_server *ser - - clnt->cl_intr = 1; - clnt->cl_softrtry = 1; -+ clnt->cl_tagxid = 1; - - return clnt; - -Index: linux-2.6.18/fs/nfsd/auth.c -=================================================================== ---- linux-2.6.18.orig/fs/nfsd/auth.c -+++ linux-2.6.18/fs/nfsd/auth.c -@@ -9,6 +9,7 @@ - #include <linux/sunrpc/svc.h> - #include <linux/sunrpc/svcauth.h> - #include <linux/nfsd/nfsd.h> -+#include <linux/vserver/xid.h> - - #define CAP_NFSD_MASK (CAP_FS_MASK|CAP_TO_MASK(CAP_SYS_RESOURCE)) - -@@ -41,19 +42,22 @@ int nfsd_setuser(struct svc_rqst *rqstp, - get_group_info(cred.cr_group_info); - - if (cred.cr_uid != (uid_t) -1) -- current->fsuid = cred.cr_uid; -+ current->fsuid = INOXID_UID(XID_TAG_NFSD, cred.cr_uid, cred.cr_gid); - else - current->fsuid = exp->ex_anon_uid; - if (cred.cr_gid != (gid_t) -1) -- current->fsgid = cred.cr_gid; -+ current->fsgid = INOXID_GID(XID_TAG_NFSD, cred.cr_uid, cred.cr_gid); - else - current->fsgid = exp->ex_anon_gid; - -+ /* this desperately needs a tag :) */ -+ current->xid = INOXID_XID(XID_TAG_NFSD, cred.cr_uid, cred.cr_gid, 0); -+ - if (!cred.cr_group_info) - return -ENOMEM; - ret = set_current_groups(cred.cr_group_info); - put_group_info(cred.cr_group_info); -- if ((cred.cr_uid)) { -+ if (INOXID_UID(XID_TAG_NFSD, cred.cr_uid, cred.cr_gid)) { - cap_t(current->cap_effective) &= ~CAP_NFSD_MASK; - } else { - cap_t(current->cap_effective) |= (CAP_NFSD_MASK & -Index: linux-2.6.18/fs/nfsd/nfs3xdr.c -=================================================================== ---- linux-2.6.18.orig/fs/nfsd/nfs3xdr.c -+++ linux-2.6.18/fs/nfsd/nfs3xdr.c -@@ -21,6 +21,7 @@ - #include <linux/sunrpc/svc.h> - #include <linux/nfsd/nfsd.h> - #include <linux/nfsd/xdr3.h> -+#include <linux/vserver/xid.h> - - #define NFSDDBG_FACILITY NFSDDBG_XDR - -@@ -111,6 +112,8 @@ static inline u32 * - decode_sattr3(u32 *p, struct iattr *iap) - { - u32 tmp; -+ uid_t uid = 0; -+ gid_t gid = 0; - - iap->ia_valid = 0; - -@@ -120,12 +123,15 @@ decode_sattr3(u32 *p, struct iattr *iap) - } - if (*p++) { - iap->ia_valid |= ATTR_UID; -- iap->ia_uid = ntohl(*p++); -+ uid = ntohl(*p++); - } - if (*p++) { - iap->ia_valid |= ATTR_GID; -- iap->ia_gid = ntohl(*p++); -+ gid = ntohl(*p++); - } -+ iap->ia_uid = INOXID_UID(XID_TAG_NFSD, uid, gid); -+ iap->ia_gid = INOXID_GID(XID_TAG_NFSD, uid, gid); -+ iap->ia_xid = INOXID_XID(XID_TAG_NFSD, uid, gid, 0); - if (*p++) { - u64 newsize; - -@@ -163,8 +169,10 @@ encode_fattr3(struct svc_rqst *rqstp, u3 - *p++ = htonl(nfs3_ftypes[(stat->mode & S_IFMT) >> 12]); - *p++ = htonl((u32) stat->mode); - *p++ = htonl((u32) stat->nlink); -- *p++ = htonl((u32) nfsd_ruid(rqstp, stat->uid)); -- *p++ = htonl((u32) nfsd_rgid(rqstp, stat->gid)); -+ *p++ = htonl((u32) nfsd_ruid(rqstp, -+ XIDINO_UID(XID_TAG(dentry->d_inode), stat->uid, stat->xid))); -+ *p++ = htonl((u32) nfsd_rgid(rqstp, -+ XIDINO_GID(XID_TAG(dentry->d_inode), stat->gid, stat->xid))); - if (S_ISLNK(stat->mode) && stat->size > NFS3_MAXPATHLEN) { - p = xdr_encode_hyper(p, (u64) NFS3_MAXPATHLEN); - } else { -Index: linux-2.6.18/fs/nfsd/nfs4recover.c -=================================================================== ---- linux-2.6.18.orig/fs/nfsd/nfs4recover.c -+++ linux-2.6.18/fs/nfsd/nfs4recover.c -@@ -155,7 +155,7 @@ nfsd4_create_clid_dir(struct nfs4_client - dprintk("NFSD: nfsd4_create_clid_dir: DIRECTORY EXISTS\n"); - goto out_put; - } -- status = vfs_mkdir(rec_dir.dentry->d_inode, dentry, S_IRWXU); -+ status = vfs_mkdir(rec_dir.dentry->d_inode, dentry, S_IRWXU, NULL); - out_put: - dput(dentry); - out_unlock: -@@ -259,7 +259,7 @@ nfsd4_remove_clid_file(struct dentry *di - return -EINVAL; - } - mutex_lock(&dir->d_inode->i_mutex); -- status = vfs_unlink(dir->d_inode, dentry); -+ status = vfs_unlink(dir->d_inode, dentry, NULL); - mutex_unlock(&dir->d_inode->i_mutex); - return status; - } -@@ -274,7 +274,7 @@ nfsd4_clear_clid_dir(struct dentry *dir, - * a kernel from the future.... */ - nfsd4_list_rec_dir(dentry, nfsd4_remove_clid_file); - mutex_lock(&dir->d_inode->i_mutex); -- status = vfs_rmdir(dir->d_inode, dentry); -+ status = vfs_rmdir(dir->d_inode, dentry, NULL); - mutex_unlock(&dir->d_inode->i_mutex); - return status; - } -Index: linux-2.6.18/fs/nfsd/nfs4xdr.c -=================================================================== ---- linux-2.6.18.orig/fs/nfsd/nfs4xdr.c -+++ linux-2.6.18/fs/nfsd/nfs4xdr.c -@@ -57,6 +57,7 @@ - #include <linux/nfsd_idmap.h> - #include <linux/nfs4.h> - #include <linux/nfs4_acl.h> -+#include <linux/vserver/xid.h> - - #define NFSDDBG_FACILITY NFSDDBG_XDR - -@@ -1560,14 +1561,18 @@ out_acl: - WRITE32(stat.nlink); - } - if (bmval1 & FATTR4_WORD1_OWNER) { -- status = nfsd4_encode_user(rqstp, stat.uid, &p, &buflen); -+ status = nfsd4_encode_user(rqstp, -+ XIDINO_UID(XID_TAG(dentry->d_inode), -+ stat.uid, stat.xid), &p, &buflen); - if (status == nfserr_resource) - goto out_resource; - if (status) - goto out; - } - if (bmval1 & FATTR4_WORD1_OWNER_GROUP) { -- status = nfsd4_encode_group(rqstp, stat.gid, &p, &buflen); -+ status = nfsd4_encode_group(rqstp, -+ XIDINO_GID(XID_TAG(dentry->d_inode), -+ stat.gid, stat.xid), &p, &buflen); - if (status == nfserr_resource) - goto out_resource; - if (status) -Index: linux-2.6.18/fs/nfsd/nfsxdr.c -=================================================================== ---- linux-2.6.18.orig/fs/nfsd/nfsxdr.c -+++ linux-2.6.18/fs/nfsd/nfsxdr.c -@@ -15,6 +15,7 @@ - #include <linux/nfsd/nfsd.h> - #include <linux/nfsd/xdr.h> - #include <linux/mm.h> -+#include <linux/vserver/xid.h> - - #define NFSDDBG_FACILITY NFSDDBG_XDR - -@@ -102,6 +103,8 @@ static inline u32 * - decode_sattr(u32 *p, struct iattr *iap) - { - u32 tmp, tmp1; -+ uid_t uid = 0; -+ gid_t gid = 0; - - iap->ia_valid = 0; - -@@ -115,12 +118,15 @@ decode_sattr(u32 *p, struct iattr *iap) - } - if ((tmp = ntohl(*p++)) != (u32)-1) { - iap->ia_valid |= ATTR_UID; -- iap->ia_uid = tmp; -+ uid = tmp; - } - if ((tmp = ntohl(*p++)) != (u32)-1) { - iap->ia_valid |= ATTR_GID; -- iap->ia_gid = tmp; -+ gid = tmp; - } -+ iap->ia_uid = INOXID_UID(XID_TAG_NFSD, uid, gid); -+ iap->ia_gid = INOXID_GID(XID_TAG_NFSD, uid, gid); -+ iap->ia_xid = INOXID_XID(XID_TAG_NFSD, uid, gid, 0); - if ((tmp = ntohl(*p++)) != (u32)-1) { - iap->ia_valid |= ATTR_SIZE; - iap->ia_size = tmp; -@@ -164,8 +170,10 @@ encode_fattr(struct svc_rqst *rqstp, u32 - *p++ = htonl(nfs_ftypes[type >> 12]); - *p++ = htonl((u32) stat->mode); - *p++ = htonl((u32) stat->nlink); -- *p++ = htonl((u32) nfsd_ruid(rqstp, stat->uid)); -- *p++ = htonl((u32) nfsd_rgid(rqstp, stat->gid)); -+ *p++ = htonl((u32) nfsd_ruid(rqstp, -+ XIDINO_UID(XID_TAG(dentry->d_inode), stat->uid, stat->xid))); -+ *p++ = htonl((u32) nfsd_rgid(rqstp, -+ XIDINO_GID(XID_TAG(dentry->d_inode), stat->gid, stat->xid))); - - if (S_ISLNK(type) && stat->size > NFS_MAXPATHLEN) { - *p++ = htonl(NFS_MAXPATHLEN); -Index: linux-2.6.18/fs/nfsd/vfs.c -=================================================================== ---- linux-2.6.18.orig/fs/nfsd/vfs.c -+++ linux-2.6.18/fs/nfsd/vfs.c -@@ -1158,13 +1158,13 @@ nfsd_create(struct svc_rqst *rqstp, stru - err = vfs_create(dirp, dchild, iap->ia_mode, NULL); - break; - case S_IFDIR: -- err = vfs_mkdir(dirp, dchild, iap->ia_mode); -+ err = vfs_mkdir(dirp, dchild, iap->ia_mode, NULL); - break; - case S_IFCHR: - case S_IFBLK: - case S_IFIFO: - case S_IFSOCK: -- err = vfs_mknod(dirp, dchild, iap->ia_mode, rdev); -+ err = vfs_mknod(dirp, dchild, iap->ia_mode, rdev, NULL); - break; - default: - printk("nfsd: bad file type %o in nfsd_create\n", type); -@@ -1444,11 +1444,13 @@ nfsd_symlink(struct svc_rqst *rqstp, str - else { - strncpy(path_alloced, path, plen); - path_alloced[plen] = 0; -- err = vfs_symlink(dentry->d_inode, dnew, path_alloced, mode); -+ err = vfs_symlink(dentry->d_inode, dnew, -+ path_alloced, mode, NULL); - kfree(path_alloced); - } - } else -- err = vfs_symlink(dentry->d_inode, dnew, path, mode); -+ err = vfs_symlink(dentry->d_inode, dnew, -+ path, mode, NULL); - - if (!err) - if (EX_ISSYNC(fhp->fh_export)) -@@ -1506,7 +1508,7 @@ nfsd_link(struct svc_rqst *rqstp, struct - dold = tfhp->fh_dentry; - dest = dold->d_inode; - -- err = vfs_link(dold, dirp, dnew); -+ err = vfs_link(dold, dirp, dnew, NULL); - if (!err) { - if (EX_ISSYNC(ffhp->fh_export)) { - err = nfserrno(nfsd_sync_dir(ddir)); -@@ -1669,9 +1671,9 @@ nfsd_unlink(struct svc_rqst *rqstp, stru - err = -EPERM; - } else - #endif -- err = vfs_unlink(dirp, rdentry); -+ err = vfs_unlink(dirp, rdentry, NULL); - } else { /* It's RMDIR */ -- err = vfs_rmdir(dirp, rdentry); -+ err = vfs_rmdir(dirp, rdentry, NULL); - } - - dput(rdentry); -@@ -1780,7 +1782,8 @@ nfsd_permission(struct svc_export *exp, - */ - if (!(acc & MAY_LOCAL_ACCESS)) - if (acc & (MAY_WRITE | MAY_SATTR | MAY_TRUNC)) { -- if (EX_RDONLY(exp) || IS_RDONLY(inode)) -+ if (EX_RDONLY(exp) || IS_RDONLY(inode) -+ || MNT_IS_RDONLY(exp->ex_mnt)) - return nfserr_rofs; - if (/* (acc & MAY_WRITE) && */ IS_IMMUTABLE(inode)) - return nfserr_perm; -Index: linux-2.6.18/fs/open.c -=================================================================== ---- linux-2.6.18.orig/fs/open.c -+++ linux-2.6.18/fs/open.c -@@ -28,6 +28,9 @@ - #include <linux/syscalls.h> - #include <linux/rcupdate.h> - #include <linux/audit.h> -+#include <linux/vs_limit.h> -+#include <linux/vs_dlimit.h> -+#include <linux/vserver/xid.h> - - #include <asm/unistd.h> - -@@ -36,16 +39,20 @@ int vfs_statfs(struct dentry *dentry, st - int retval = -ENODEV; - - if (dentry) { -+ struct super_block *sb = dentry->d_sb; -+ - retval = -ENOSYS; -- if (dentry->d_sb->s_op->statfs) { -+ if (sb->s_op->statfs) { - memset(buf, 0, sizeof(*buf)); - retval = security_sb_statfs(dentry); - if (retval) - return retval; -- retval = dentry->d_sb->s_op->statfs(dentry, buf); -+ retval = sb->s_op->statfs(dentry, buf); - if (retval == 0 && buf->f_frsize == 0) - buf->f_frsize = buf->f_bsize; - } -+ if (!vx_check(0, VX_ADMIN|VX_WATCH)) -+ vx_vsi_statfs(sb, buf); - } - return retval; - } -@@ -249,7 +256,7 @@ static long do_sys_truncate(const char _ - goto dput_and_out; - - error = -EROFS; -- if (IS_RDONLY(inode)) -+ if (IS_RDONLY(inode) || MNT_IS_RDONLY(nd.mnt)) - goto dput_and_out; - - error = -EPERM; -@@ -379,7 +386,7 @@ asmlinkage long sys_utime(char __user * - inode = nd.dentry->d_inode; - - error = -EROFS; -- if (IS_RDONLY(inode)) -+ if (IS_RDONLY(inode) || MNT_IS_RDONLY(nd.mnt)) - goto dput_and_out; - - /* Don't worry, the checks are done in inode_change_ok() */ -@@ -436,7 +443,7 @@ long do_utimes(int dfd, char __user *fil - inode = nd.dentry->d_inode; - - error = -EROFS; -- if (IS_RDONLY(inode)) -+ if (IS_RDONLY(inode) || MNT_IS_RDONLY(nd.mnt)) - goto dput_and_out; - - /* Don't worry, the checks are done in inode_change_ok() */ -@@ -523,7 +530,8 @@ asmlinkage long sys_faccessat(int dfd, c - if (!res) { - res = vfs_permission(&nd, mode); - /* SuS v2 requires we report a read only fs too */ -- if(!res && (mode & S_IWOTH) && IS_RDONLY(nd.dentry->d_inode) -+ if(!res && (mode & S_IWOTH) -+ && (IS_RDONLY(nd.dentry->d_inode) || MNT_IS_RDONLY(nd.mnt)) - && !special_file(nd.dentry->d_inode->i_mode)) - res = -EROFS; - path_release(&nd); -@@ -636,7 +644,7 @@ asmlinkage long sys_fchmod(unsigned int - audit_inode(NULL, inode); - - err = -EROFS; -- if (IS_RDONLY(inode)) -+ if (IS_RDONLY(inode) || MNT_IS_RDONLY(file->f_vfsmnt)) - goto out_putf; - err = -EPERM; - if (IS_IMMUTABLE(inode) || IS_APPEND(inode)) -@@ -669,7 +677,7 @@ asmlinkage long sys_fchmodat(int dfd, co - inode = nd.dentry->d_inode; - - error = -EROFS; -- if (IS_RDONLY(inode)) -+ if (IS_RDONLY(inode) || MNT_IS_RDONLY(nd.mnt)) - goto dput_and_out; - - error = -EPERM; -@@ -695,7 +703,8 @@ asmlinkage long sys_chmod(const char __u - return sys_fchmodat(AT_FDCWD, filename, mode); - } - --static int chown_common(struct dentry * dentry, uid_t user, gid_t group) -+static int chown_common(struct dentry *dentry, struct vfsmount *mnt, -+ uid_t user, gid_t group) - { - struct inode * inode; - int error; -@@ -707,7 +716,7 @@ static int chown_common(struct dentry * - goto out; - } - error = -EROFS; -- if (IS_RDONLY(inode)) -+ if (IS_RDONLY(inode) || MNT_IS_RDONLY(mnt)) - goto out; - error = -EPERM; - if (IS_IMMUTABLE(inode) || IS_APPEND(inode)) -@@ -715,11 +724,11 @@ static int chown_common(struct dentry * - newattrs.ia_valid = ATTR_CTIME; - if (user != (uid_t) -1) { - newattrs.ia_valid |= ATTR_UID; -- newattrs.ia_uid = user; -+ newattrs.ia_uid = vx_map_uid(user); - } - if (group != (gid_t) -1) { - newattrs.ia_valid |= ATTR_GID; -- newattrs.ia_gid = group; -+ newattrs.ia_gid = vx_map_gid(group); - } - if (!S_ISDIR(inode->i_mode)) - newattrs.ia_valid |= ATTR_KILL_SUID|ATTR_KILL_SGID; -@@ -737,7 +746,7 @@ asmlinkage long sys_chown(const char __u - - error = user_path_walk(filename, &nd); - if (!error) { -- error = chown_common(nd.dentry, user, group); -+ error = chown_common(nd.dentry, nd.mnt, user, group); - path_release(&nd); - } - return error; -@@ -756,7 +765,7 @@ asmlinkage long sys_fchownat(int dfd, co - follow = (flag & AT_SYMLINK_NOFOLLOW) ? 0 : LOOKUP_FOLLOW; - error = __user_walk_fd(dfd, filename, follow, &nd); - if (!error) { -- error = chown_common(nd.dentry, user, group); -+ error = chown_common(nd.dentry, nd.mnt, user, group); - path_release(&nd); - } - out: -@@ -770,7 +779,7 @@ asmlinkage long sys_lchown(const char __ - - error = user_path_walk_link(filename, &nd); - if (!error) { -- error = chown_common(nd.dentry, user, group); -+ error = chown_common(nd.dentry, nd.mnt, user, group); - path_release(&nd); - } - return error; -@@ -787,7 +796,7 @@ asmlinkage long sys_fchown(unsigned int - struct dentry * dentry; - dentry = file->f_dentry; - audit_inode(NULL, dentry->d_inode); -- error = chown_common(dentry, user, group); -+ error = chown_common(dentry, file->f_vfsmnt, user, group); - fput(file); - } - return error; -@@ -1015,6 +1024,7 @@ repeat: - FD_SET(fd, fdt->open_fds); - FD_CLR(fd, fdt->close_on_exec); - files->next_fd = fd + 1; -+ vx_openfd_inc(fd); - #if 1 - /* Sanity check */ - if (fdt->fd[fd] != NULL) { -@@ -1037,6 +1047,7 @@ static void __put_unused_fd(struct files - __FD_CLR(fd, fdt->open_fds); - if (fd < files->next_fd) - files->next_fd = fd; -+ vx_openfd_dec(fd); - } - - void fastcall put_unused_fd(unsigned int fd) -Index: linux-2.6.18/fs/proc/array.c -=================================================================== ---- linux-2.6.18.orig/fs/proc/array.c -+++ linux-2.6.18/fs/proc/array.c -@@ -75,6 +75,8 @@ - #include <linux/cpuset.h> - #include <linux/rcupdate.h> - #include <linux/delayacct.h> -+#include <linux/vs_context.h> -+#include <linux/vs_network.h> - - #include <asm/uaccess.h> - #include <asm/pgtable.h> -@@ -135,7 +137,9 @@ static const char *task_state_array[] = - "T (stopped)", /* 4 */ - "T (tracing stop)", /* 8 */ - "Z (zombie)", /* 16 */ -- "X (dead)" /* 32 */ -+ "X (dead)", /* 32 */ -+ "N (noninteractive)", /* 64 */ -+ "H (on hold)" /* 128 */ - }; - - static inline const char * get_task_state(struct task_struct *tsk) -@@ -144,7 +148,8 @@ static inline const char * get_task_stat - TASK_INTERRUPTIBLE | - TASK_UNINTERRUPTIBLE | - TASK_STOPPED | -- TASK_TRACED)) | -+ TASK_TRACED | -+ TASK_ONHOLD)) | - (tsk->exit_state & (EXIT_ZOMBIE | - EXIT_DEAD)); - const char **p = &task_state_array[0]; -@@ -161,8 +166,13 @@ static inline char * task_state(struct t - struct group_info *group_info; - int g; - struct fdtable *fdt = NULL; -+ pid_t pid, ptgid, tppid, tgid; - - read_lock(&tasklist_lock); -+ tgid = vx_map_tgid(p->tgid); -+ pid = vx_map_pid(p->pid); -+ ptgid = vx_map_pid(p->group_leader->real_parent->tgid); -+ tppid = vx_map_pid(p->parent->pid); - buffer += sprintf(buffer, - "State:\t%s\n" - "SleepAVG:\t%lu%%\n" -@@ -174,9 +184,8 @@ static inline char * task_state(struct t - "Gid:\t%d\t%d\t%d\t%d\n", - get_task_state(p), - (p->sleep_avg/1024)*100/(1020000000/1024), -- p->tgid, -- p->pid, pid_alive(p) ? p->group_leader->real_parent->tgid : 0, -- pid_alive(p) && p->ptrace ? p->parent->pid : 0, -+ tgid, pid, (pid > 1) ? ptgid : 0, -+ pid_alive(p) && p->ptrace ? tppid : 0, - p->uid, p->euid, p->suid, p->fsuid, - p->gid, p->egid, p->sgid, p->fsgid); - read_unlock(&tasklist_lock); -@@ -296,6 +305,12 @@ static inline char *task_cap(struct task - int proc_pid_status(struct task_struct *task, char * buffer) - { - char * orig = buffer; -+#ifdef CONFIG_VSERVER_LEGACY -+ struct vx_info *vxi; -+#endif -+#ifdef CONFIG_VSERVER_LEGACYNET -+ struct nx_info *nxi; -+#endif - struct mm_struct *mm = get_task_mm(task); - - buffer = task_name(task, buffer); -@@ -308,6 +323,46 @@ int proc_pid_status(struct task_struct * - buffer = task_sig(task, buffer); - buffer = task_cap(task, buffer); - buffer = cpuset_task_status_allowed(task, buffer); -+ -+ if (task_vx_flags(task, VXF_INFO_HIDE, 0)) -+ goto skip; -+#ifdef CONFIG_VSERVER_LEGACY -+ buffer += sprintf (buffer,"s_context: %d\n", vx_task_xid(task)); -+ vxi = task_get_vx_info(task); -+ if (vxi) { -+ buffer += sprintf (buffer,"ctxflags: %08llx\n" -+ ,(unsigned long long)vxi->vx_flags); -+ buffer += sprintf (buffer,"initpid: %d\n" -+ ,vxi->vx_initpid); -+ } else { -+ buffer += sprintf (buffer,"ctxflags: none\n"); -+ buffer += sprintf (buffer,"initpid: none\n"); -+ } -+ put_vx_info(vxi); -+#else -+ buffer += sprintf (buffer,"VxID: %d\n", vx_task_xid(task)); -+#endif -+#ifdef CONFIG_VSERVER_LEGACYNET -+ nxi = task_get_nx_info(task); -+ if (nxi) { -+ int i; -+ -+ buffer += sprintf (buffer,"ipv4root:"); -+ for (i=0; i<nxi->nbipv4; i++){ -+ buffer += sprintf (buffer," %08x/%08x" -+ ,nxi->ipv4[i] -+ ,nxi->mask[i]); -+ } -+ *buffer++ = '\n'; -+ buffer += sprintf (buffer,"ipv4root_bcast: %08x\n" -+ ,nxi->v4_bcast); -+ } else { -+ buffer += sprintf (buffer,"ipv4root: 0\n"); -+ buffer += sprintf (buffer,"ipv4root_bcast: 0\n"); -+ } -+ put_nx_info(nxi); -+#endif -+skip: - #if defined(CONFIG_S390) - buffer = task_show_regs(task, buffer); - #endif -@@ -322,7 +377,7 @@ static int do_task_stat(struct task_stru - sigset_t sigign, sigcatch; - char state; - int res; -- pid_t ppid, pgid = -1, sid = -1; -+ pid_t pid, ppid, pgid = -1, sid = -1; - int num_threads = 0; - struct mm_struct *mm; - unsigned long long start_time; -@@ -386,7 +441,11 @@ static int do_task_stat(struct task_stru - stime = cputime_add(stime, task->signal->stime); - } - } -- ppid = pid_alive(task) ? task->group_leader->real_parent->tgid : 0; -+ pid = vx_info_map_pid(task->vx_info, pid_alive(task) ? task->pid : 0); -+ ppid = (!(pid > 1)) ? 0 : vx_info_map_tgid(task->vx_info, -+ task->group_leader->real_parent->tgid); -+ pgid = vx_info_map_pid(task->vx_info, pgid); -+ - read_unlock(&tasklist_lock); - - if (!whole || num_threads<2) -@@ -410,10 +469,21 @@ static int do_task_stat(struct task_stru - /* convert nsec -> ticks */ - start_time = nsec_to_clock_t(start_time); - -+ /* fixup start time for virt uptime */ -+ if (vx_flags(VXF_VIRT_UPTIME, 0)) { -+ unsigned long long bias = -+ current->vx_info->cvirt.bias_clock; -+ -+ if (start_time > bias) -+ start_time -= bias; -+ else -+ start_time = 0; -+ } -+ - res = sprintf(buffer,"%d (%s) %c %d %d %d %d %d %lu %lu \ - %lu %lu %lu %lu %lu %ld %ld %ld %ld %d 0 %llu %lu %ld %lu %lu %lu %lu %lu \ - %lu %lu %lu %lu %lu %lu %lu %lu %d %d %lu %lu %llu\n", -- task->pid, -+ pid, - tcomm, - state, - ppid, -Index: linux-2.6.18/fs/proc/base.c -=================================================================== ---- linux-2.6.18.orig/fs/proc/base.c -+++ linux-2.6.18/fs/proc/base.c -@@ -71,6 +71,9 @@ - #include <linux/cpuset.h> - #include <linux/audit.h> - #include <linux/poll.h> -+#include <linux/vs_context.h> -+#include <linux/vs_network.h> -+ - #include "internal.h" - - /* NOTE: -@@ -133,6 +136,8 @@ enum pid_directory_inos { - PROC_TGID_ATTR_KEYCREATE, - PROC_TGID_ATTR_SOCKCREATE, - #endif -+ PROC_TGID_VX_INFO, -+ PROC_TGID_IP_INFO, - #ifdef CONFIG_AUDITSYSCALL - PROC_TGID_LOGINUID, - #endif -@@ -176,6 +181,8 @@ enum pid_directory_inos { - PROC_TID_ATTR_KEYCREATE, - PROC_TID_ATTR_SOCKCREATE, - #endif -+ PROC_TID_VX_INFO, -+ PROC_TID_IP_INFO, - #ifdef CONFIG_AUDITSYSCALL - PROC_TID_LOGINUID, - #endif -@@ -235,6 +242,8 @@ static struct pid_entry tgid_base_stuff[ - #ifdef CONFIG_CPUSETS - E(PROC_TGID_CPUSET, "cpuset", S_IFREG|S_IRUGO), - #endif -+ E(PROC_TGID_VX_INFO, "vinfo", S_IFREG|S_IRUGO), -+ E(PROC_TGID_IP_INFO, "ninfo", S_IFREG|S_IRUGO), - E(PROC_TGID_OOM_SCORE, "oom_score",S_IFREG|S_IRUGO), - E(PROC_TGID_OOM_ADJUST,"oom_adj", S_IFREG|S_IRUGO|S_IWUSR), - #ifdef CONFIG_AUDITSYSCALL -@@ -277,6 +286,8 @@ static struct pid_entry tid_base_stuff[] - #ifdef CONFIG_CPUSETS - E(PROC_TID_CPUSET, "cpuset", S_IFREG|S_IRUGO), - #endif -+ E(PROC_TID_VX_INFO, "vinfo", S_IFREG|S_IRUGO), -+ E(PROC_TID_IP_INFO, "ninfo", S_IFREG|S_IRUGO), - E(PROC_TID_OOM_SCORE, "oom_score",S_IFREG|S_IRUGO), - E(PROC_TID_OOM_ADJUST, "oom_adj", S_IFREG|S_IRUGO|S_IWUSR), - #ifdef CONFIG_AUDITSYSCALL -@@ -1214,7 +1225,7 @@ static int proc_pident_readdir(struct fi - struct task_struct *task = get_proc_task(inode); - struct pid_entry *p; - ino_t ino; -- int ret; -+ int ret, hide; - - ret = -ENOENT; - if (!task) -@@ -1246,11 +1257,20 @@ static int proc_pident_readdir(struct fi - goto out; - } - p = ents + i; -+ hide = vx_flags(VXF_INFO_HIDE, 0); - while (p->name) { -+ if (hide) { -+ switch (p->type) { -+ case PROC_TGID_VX_INFO: -+ case PROC_TGID_IP_INFO: -+ goto skip; -+ } -+ } - if (filldir(dirent, p->name, p->len, filp->f_pos, - fake_ino(pid, p->type), p->mode >> 12) < 0) - goto out; - filp->f_pos++; -+ skip: - p++; - } - } -@@ -1322,6 +1342,7 @@ static struct inode *proc_pid_make_inode - inode->i_uid = task->euid; - inode->i_gid = task->egid; - } -+ inode->i_xid = vx_task_xid(task); - security_task_to_inode(task, inode); - - out: -@@ -1353,7 +1374,15 @@ static int pid_revalidate(struct dentry - { - struct inode *inode = dentry->d_inode; - struct task_struct *task = get_proc_task(inode); -+ int ret = 0; -+ - if (task) { -+ int pid = (inode->i_ino >> 16) & 0xFFFF; -+ -+ if (!proc_pid_visible(task, pid)) -+ goto out_drop; -+ -+ ret = 1; - if ((inode->i_mode == (S_IFDIR|S_IRUGO|S_IXUGO)) || - task_dumpable(task)) { - inode->i_uid = task->euid; -@@ -1364,11 +1393,14 @@ static int pid_revalidate(struct dentry - } - inode->i_mode &= ~(S_ISUID | S_ISGID); - security_task_to_inode(task, inode); -- put_task_struct(task); -- return 1; -+ goto out_put; - } -+out_drop: - d_drop(dentry); -- return 0; -+out_put: -+ if (task) -+ put_task_struct(task); -+ return ret; - } - - static int pid_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat) -@@ -1642,6 +1674,9 @@ static struct file_operations proc_tgid_ - static struct inode_operations proc_tgid_attr_inode_operations; - #endif - -+extern int proc_pid_vx_info(struct task_struct *, char *); -+extern int proc_pid_nx_info(struct task_struct *, char *); -+ - /* SMP-safe */ - static struct dentry *proc_pident_lookup(struct inode *dir, - struct dentry *dentry, -@@ -1668,6 +1703,17 @@ static struct dentry *proc_pident_lookup - if (!p->name) - goto out; - -+ switch(p->type) { -+ case PROC_TID_VX_INFO: -+ case PROC_TGID_VX_INFO: -+ case PROC_TID_IP_INFO: -+ case PROC_TGID_IP_INFO: -+ if (task_vx_flags(task, VXF_INFO_HIDE, 0)) -+ goto out; -+ default: -+ break; -+ } -+ - error = ERR_PTR(-EINVAL); - inode = proc_pid_make_inode(dir->i_sb, task, p->type); - if (!inode) -@@ -1834,6 +1880,16 @@ static struct dentry *proc_pident_lookup - inode->i_fop = &proc_loginuid_operations; - break; - #endif -+ case PROC_TID_VX_INFO: -+ case PROC_TGID_VX_INFO: -+ inode->i_fop = &proc_info_file_operations; -+ ei->op.proc_read = proc_pid_vx_info; -+ break; -+ case PROC_TID_IP_INFO: -+ case PROC_TGID_IP_INFO: -+ inode->i_fop = &proc_info_file_operations; -+ ei->op.proc_read = proc_pid_nx_info; -+ break; - default: - printk("procfs: impossible type (%d)",p->type); - iput(inode); -@@ -1938,14 +1994,14 @@ static int proc_self_readlink(struct den - int buflen) - { - char tmp[PROC_NUMBUF]; -- sprintf(tmp, "%d", current->tgid); -+ sprintf(tmp, "%d", vx_map_tgid(current->tgid)); - return vfs_readlink(dentry,buffer,buflen,tmp); - } - - static void *proc_self_follow_link(struct dentry *dentry, struct nameidata *nd) - { - char tmp[PROC_NUMBUF]; -- sprintf(tmp, "%d", current->tgid); -+ sprintf(tmp, "%d", vx_map_tgid(current->tgid)); - return ERR_PTR(vfs_follow_link(nd,tmp)); - } - -@@ -2050,7 +2106,7 @@ struct dentry *proc_pid_lookup(struct in - goto out; - - rcu_read_lock(); -- task = find_task_by_pid(tgid); -+ task = find_proc_task_by_pid(tgid); - if (task) - get_task_struct(task); - rcu_read_unlock(); -@@ -2099,9 +2155,11 @@ static struct dentry *proc_task_lookup(s - tid = name_to_int(dentry); - if (tid == ~0U) - goto out; -+ if (vx_current_initpid(tid)) -+ goto out; - - rcu_read_lock(); -- task = find_task_by_pid(tid); -+ task = find_proc_task_by_pid(tid); - if (task) - get_task_struct(task); - rcu_read_unlock(); -@@ -2157,7 +2215,7 @@ static struct task_struct *first_tgid(in - struct task_struct *pos; - rcu_read_lock(); - if (tgid && nr) { -- pos = find_task_by_pid(tgid); -+ pos = find_proc_task_by_pid(tgid); - if (pos && thread_group_leader(pos)) - goto found; - } -@@ -2234,7 +2292,10 @@ int proc_pid_readdir(struct file * filp, - task = next_tgid(task), filp->f_pos++) { - int len; - ino_t ino; -- tgid = task->pid; -+ tgid = vx_map_tgid(task->pid); -+ if (!proc_pid_visible(task, tgid)) -+ continue; -+ - len = snprintf(buf, sizeof(buf), "%d", tgid); - ino = fake_ino(tgid, PROC_TGID_INO); - if (filldir(dirent, buf, len, filp->f_pos, ino, DT_DIR) < 0) { -@@ -2268,7 +2329,7 @@ static struct task_struct *first_tid(str - rcu_read_lock(); - /* Attempt to start with the pid of a thread */ - if (tid && (nr > 0)) { -- pos = find_task_by_pid(tid); -+ pos = find_proc_task_by_pid(tid); - if (pos && (pos->group_leader == leader)) - goto found; - } -@@ -2358,7 +2419,10 @@ static int proc_task_readdir(struct file - task; - task = next_tid(task), pos++) { - int len; -- tid = task->pid; -+ tid = vx_map_pid(task->pid); -+ if (!proc_pid_visible(task, tid)) -+ continue; -+ - len = snprintf(buf, sizeof(buf), "%d", tid); - ino = fake_ino(tid, PROC_TID_INO); - if (filldir(dirent, buf, len, pos, ino, DT_DIR < 0)) { -Index: linux-2.6.18/fs/proc/generic.c -=================================================================== ---- linux-2.6.18.orig/fs/proc/generic.c -+++ linux-2.6.18/fs/proc/generic.c -@@ -20,6 +20,7 @@ - #include <linux/namei.h> - #include <linux/bitops.h> - #include <linux/spinlock.h> -+#include <linux/vserver/inode.h> - #include <asm/uaccess.h> - - #include "internal.h" -@@ -395,12 +396,16 @@ struct dentry *proc_lookup(struct inode - for (de = de->subdir; de ; de = de->next) { - if (de->namelen != dentry->d_name.len) - continue; -+ if (!vx_hide_check(0, de->vx_flags)) -+ continue; - if (!memcmp(dentry->d_name.name, de->name, de->namelen)) { - unsigned int ino = de->low_ino; - - spin_unlock(&proc_subdir_lock); - error = -EINVAL; - inode = proc_get_inode(dir->i_sb, ino, de); -+ /* generic proc entries belong to the host */ -+ inode->i_xid = 0; - spin_lock(&proc_subdir_lock); - break; - } -@@ -476,12 +481,15 @@ int proc_readdir(struct file * filp, - } - - do { -+ if (!vx_hide_check(0, de->vx_flags)) -+ goto skip; - /* filldir passes info to user space */ - spin_unlock(&proc_subdir_lock); - if (filldir(dirent, de->name, de->namelen, filp->f_pos, - de->low_ino, de->mode >> 12) < 0) - goto out; - spin_lock(&proc_subdir_lock); -+ skip: - filp->f_pos++; - de = de->next; - } while (de); -@@ -604,6 +612,7 @@ static struct proc_dir_entry *proc_creat - ent->namelen = len; - ent->mode = mode; - ent->nlink = nlink; -+ ent->vx_flags = IATTR_PROC_DEFAULT; - out: - return ent; - } -@@ -624,7 +633,8 @@ struct proc_dir_entry *proc_symlink(cons - kfree(ent->data); - kfree(ent); - ent = NULL; -- } -+ } else -+ ent->vx_flags = IATTR_PROC_SYMLINK; - } else { - kfree(ent); - ent = NULL; -Index: linux-2.6.18/fs/proc/inode.c -=================================================================== ---- linux-2.6.18.orig/fs/proc/inode.c -+++ linux-2.6.18/fs/proc/inode.c -@@ -168,6 +168,8 @@ struct inode *proc_get_inode(struct supe - inode->i_uid = de->uid; - inode->i_gid = de->gid; - } -+ if (de->vx_flags) -+ PROC_I(inode)->vx_flags = de->vx_flags; - if (de->size) - inode->i_size = de->size; - if (de->nlink) -Index: linux-2.6.18/fs/proc/internal.h -=================================================================== ---- linux-2.6.18.orig/fs/proc/internal.h -+++ linux-2.6.18/fs/proc/internal.h -@@ -10,6 +10,7 @@ - */ - - #include <linux/proc_fs.h> -+#include <linux/vs_cvirt.h> - - struct vmalloc_info { - unsigned long used; -@@ -57,7 +58,7 @@ static inline struct pid *proc_pid(struc - - static inline struct task_struct *get_proc_task(struct inode *inode) - { -- return get_pid_task(proc_pid(inode), PIDTYPE_PID); -+ return vx_get_proc_task(inode, proc_pid(inode)); - } - - static inline int proc_fd(struct inode *inode) -Index: linux-2.6.18/fs/proc/proc_misc.c -=================================================================== ---- linux-2.6.18.orig/fs/proc/proc_misc.c -+++ linux-2.6.18/fs/proc/proc_misc.c -@@ -81,17 +81,32 @@ static int proc_calc_metrics(char *page, - static int loadavg_read_proc(char *page, char **start, off_t off, - int count, int *eof, void *data) - { -+ unsigned int running, threads; - int a, b, c; - int len; - -- a = avenrun[0] + (FIXED_1/200); -- b = avenrun[1] + (FIXED_1/200); -- c = avenrun[2] + (FIXED_1/200); -- len = sprintf(page,"%d.%02d %d.%02d %d.%02d %ld/%d %d\n", -+ if (vx_flags(VXF_VIRT_LOAD, 0)) { -+ struct vx_info *vxi = current->vx_info; -+ -+ a = vxi->cvirt.load[0] + (FIXED_1/200); -+ b = vxi->cvirt.load[1] + (FIXED_1/200); -+ c = vxi->cvirt.load[2] + (FIXED_1/200); -+ -+ running = atomic_read(&vxi->cvirt.nr_running); -+ threads = atomic_read(&vxi->cvirt.nr_threads); -+ } else { -+ a = avenrun[0] + (FIXED_1/200); -+ b = avenrun[1] + (FIXED_1/200); -+ c = avenrun[2] + (FIXED_1/200); -+ -+ running = nr_running(); -+ threads = nr_threads; -+ } -+ len = sprintf(page,"%d.%02d %d.%02d %d.%02d %d/%d %d\n", - LOAD_INT(a), LOAD_FRAC(a), - LOAD_INT(b), LOAD_FRAC(b), - LOAD_INT(c), LOAD_FRAC(c), -- nr_running(), nr_threads, last_pid); -+ running, threads, last_pid); - return proc_calc_metrics(page, start, off, count, eof, len); - } - -@@ -105,6 +120,9 @@ static int uptime_read_proc(char *page, - - do_posix_clock_monotonic_gettime(&uptime); - cputime_to_timespec(idletime, &idle); -+ if (vx_flags(VXF_VIRT_UPTIME, 0)) -+ vx_vsi_uptime(&uptime, &idle); -+ - len = sprintf(page,"%lu.%02lu %lu.%02lu\n", - (unsigned long) uptime.tv_sec, - (uptime.tv_nsec / (NSEC_PER_SEC / 100)), -@@ -141,7 +159,7 @@ static int meminfo_read_proc(char *page, - - cached = global_page_state(NR_FILE_PAGES) - - total_swapcache_pages - i.bufferram; -- if (cached < 0) -+ if (cached < 0 || vx_flags(VXF_VIRT_MEM, 0)) - cached = 0; - - get_vmalloc_info(&vmi); -@@ -242,8 +260,9 @@ static int version_read_proc(char *page, - { - int len; - -- strcpy(page, linux_banner); -- len = strlen(page); -+ len = sprintf(page, vx_linux_banner, -+ vx_new_uts(release), -+ vx_new_uts(version)); - return proc_calc_metrics(page, start, off, count, eof, len); - } - -Index: linux-2.6.18/fs/proc/root.c -=================================================================== ---- linux-2.6.18.orig/fs/proc/root.c -+++ linux-2.6.18/fs/proc/root.c -@@ -24,6 +24,9 @@ struct proc_dir_entry *proc_net, *proc_n - #ifdef CONFIG_SYSCTL - struct proc_dir_entry *proc_sys_root; - #endif -+struct proc_dir_entry *proc_virtual; -+ -+extern void proc_vx_init(void); - - static int proc_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data, struct vfsmount *mnt) -@@ -77,6 +80,7 @@ void __init proc_root_init(void) - proc_device_tree_init(); - #endif - proc_bus = proc_mkdir("bus", NULL); -+ proc_vx_init(); - } - - static int proc_root_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat -Index: linux-2.6.18/fs/quota.c -=================================================================== ---- linux-2.6.18.orig/fs/quota.c -+++ linux-2.6.18/fs/quota.c -@@ -17,6 +17,9 @@ - #include <linux/buffer_head.h> - #include <linux/capability.h> - #include <linux/quotaops.h> -+#include <linux/major.h> -+#include <linux/blkdev.h> -+#include <linux/vserver/debug.h> - - /* Check validity of generic quotactl commands */ - static int generic_quotactl_valid(struct super_block *sb, int type, int cmd, qid_t id) -@@ -81,11 +84,11 @@ static int generic_quotactl_valid(struct - if (cmd == Q_GETQUOTA) { - if (((type == USRQUOTA && current->euid != id) || - (type == GRPQUOTA && !in_egroup_p(id))) && -- !capable(CAP_SYS_ADMIN)) -+ !vx_capable(CAP_SYS_ADMIN, VXC_QUOTA_CTL)) - return -EPERM; - } - else if (cmd != Q_GETFMT && cmd != Q_SYNC && cmd != Q_GETINFO) -- if (!capable(CAP_SYS_ADMIN)) -+ if (!vx_capable(CAP_SYS_ADMIN, VXC_QUOTA_CTL)) - return -EPERM; - - return 0; -@@ -132,10 +135,10 @@ static int xqm_quotactl_valid(struct sup - if (cmd == Q_XGETQUOTA) { - if (((type == XQM_USRQUOTA && current->euid != id) || - (type == XQM_GRPQUOTA && !in_egroup_p(id))) && -- !capable(CAP_SYS_ADMIN)) -+ !vx_capable(CAP_SYS_ADMIN, VXC_QUOTA_CTL)) - return -EPERM; - } else if (cmd != Q_XGETQSTAT && cmd != Q_XQUOTASYNC) { -- if (!capable(CAP_SYS_ADMIN)) -+ if (!vx_capable(CAP_SYS_ADMIN, VXC_QUOTA_CTL)) - return -EPERM; - } - -@@ -337,6 +340,43 @@ static int do_quotactl(struct super_bloc - return 0; - } - -+#if defined(CONFIG_BLK_DEV_VROOT) || defined(CONFIG_BLK_DEV_VROOT_MODULE) -+ -+#include <linux/vroot.h> -+#include <linux/kallsyms.h> -+ -+static vroot_grb_func *vroot_get_real_bdev = NULL; -+ -+static spinlock_t vroot_grb_lock = SPIN_LOCK_UNLOCKED; -+ -+int register_vroot_grb(vroot_grb_func *func) { -+ int ret = -EBUSY; -+ -+ spin_lock(&vroot_grb_lock); -+ if (!vroot_get_real_bdev) { -+ vroot_get_real_bdev = func; -+ ret = 0; -+ } -+ spin_unlock(&vroot_grb_lock); -+ return ret; -+} -+EXPORT_SYMBOL(register_vroot_grb); -+ -+int unregister_vroot_grb(vroot_grb_func *func) { -+ int ret = -EINVAL; -+ -+ spin_lock(&vroot_grb_lock); -+ if (vroot_get_real_bdev) { -+ vroot_get_real_bdev = NULL; -+ ret = 0; -+ } -+ spin_unlock(&vroot_grb_lock); -+ return ret; -+} -+EXPORT_SYMBOL(unregister_vroot_grb); -+ -+#endif -+ - /* - * This is the system call interface. This communicates with - * the user-level programs. Currently this only supports diskquota -@@ -362,6 +402,23 @@ asmlinkage long sys_quotactl(unsigned in - putname(tmp); - if (IS_ERR(bdev)) - return PTR_ERR(bdev); -+#if defined(CONFIG_BLK_DEV_VROOT) || defined(CONFIG_BLK_DEV_VROOT_MODULE) -+ if (bdev && bdev->bd_inode && -+ imajor(bdev->bd_inode) == VROOT_MAJOR) { -+ struct block_device *bdnew = (void *)-EINVAL; -+ -+ if (vroot_get_real_bdev) -+ bdnew = vroot_get_real_bdev(bdev); -+ else -+ vxdprintk(VXD_CBIT(misc, 0), -+ "vroot_get_real_bdev not set"); -+ -+ bdput(bdev); -+ if (IS_ERR(bdnew)) -+ return PTR_ERR(bdnew); -+ bdev = bdnew; -+ } -+#endif - sb = get_super(bdev); - bdput(bdev); - if (!sb) -Index: linux-2.6.18/fs/reiserfs/bitmap.c -=================================================================== ---- linux-2.6.18.orig/fs/reiserfs/bitmap.c -+++ linux-2.6.18/fs/reiserfs/bitmap.c -@@ -12,6 +12,7 @@ - #include <linux/reiserfs_fs_sb.h> - #include <linux/reiserfs_fs_i.h> - #include <linux/quotaops.h> -+#include <linux/vs_dlimit.h> - - #define PREALLOCATION_SIZE 9 - -@@ -410,8 +411,10 @@ static void _reiserfs_free_block(struct - set_sb_free_blocks(rs, sb_free_blocks(rs) + 1); - - journal_mark_dirty(th, s, sbh); -- if (for_unformatted) -+ if (for_unformatted) { -+ DLIMIT_FREE_BLOCK(inode, 1); - DQUOT_FREE_BLOCK_NODIRTY(inode, 1); -+ } - } - - void reiserfs_free_block(struct reiserfs_transaction_handle *th, -@@ -1020,6 +1023,7 @@ static inline int blocknrs_and_prealloc_ - int passno = 0; - int nr_allocated = 0; - int bigalloc = 0; -+ int blocks; - - determine_prealloc_size(hint); - if (!hint->formatted_node) { -@@ -1029,19 +1033,30 @@ static inline int blocknrs_and_prealloc_ - "reiserquota: allocating %d blocks id=%u", - amount_needed, hint->inode->i_uid); - #endif -- quota_ret = -- DQUOT_ALLOC_BLOCK_NODIRTY(hint->inode, amount_needed); -- if (quota_ret) /* Quota exceeded? */ -+ quota_ret = DQUOT_ALLOC_BLOCK_NODIRTY(hint->inode, -+ amount_needed); -+ if (quota_ret) - return QUOTA_EXCEEDED; -+ if (DLIMIT_ALLOC_BLOCK(hint->inode, amount_needed)) { -+ DQUOT_FREE_BLOCK_NODIRTY(hint->inode, -+ amount_needed); -+ return NO_DISK_SPACE; -+ } -+ - if (hint->preallocate && hint->prealloc_size) { - #ifdef REISERQUOTA_DEBUG - reiserfs_debug(s, REISERFS_DEBUG_CODE, - "reiserquota: allocating (prealloc) %d blocks id=%u", - hint->prealloc_size, hint->inode->i_uid); - #endif -- quota_ret = -- DQUOT_PREALLOC_BLOCK_NODIRTY(hint->inode, -- hint->prealloc_size); -+ quota_ret = DQUOT_PREALLOC_BLOCK_NODIRTY(hint->inode, -+ hint->prealloc_size); -+ if (!quota_ret && -+ DLIMIT_ALLOC_BLOCK(hint->inode, hint->prealloc_size)) { -+ DQUOT_FREE_BLOCK_NODIRTY(hint->inode, -+ hint->prealloc_size); -+ quota_ret = 1; -+ } - if (quota_ret) - hint->preallocate = hint->prealloc_size = 0; - } -@@ -1092,7 +1107,10 @@ static inline int blocknrs_and_prealloc_ - nr_allocated, - hint->inode->i_uid); - #endif -- DQUOT_FREE_BLOCK_NODIRTY(hint->inode, amount_needed + hint->prealloc_size - nr_allocated); /* Free not allocated blocks */ -+ /* Free not allocated blocks */ -+ blocks = amount_needed + hint->prealloc_size - nr_allocated; -+ DLIMIT_FREE_BLOCK(hint->inode, blocks); -+ DQUOT_FREE_BLOCK_NODIRTY(hint->inode, blocks); - } - while (nr_allocated--) - reiserfs_free_block(hint->th, hint->inode, -@@ -1124,10 +1142,10 @@ static inline int blocknrs_and_prealloc_ - REISERFS_I(hint->inode)->i_prealloc_count, - hint->inode->i_uid); - #endif -- DQUOT_FREE_BLOCK_NODIRTY(hint->inode, amount_needed + -- hint->prealloc_size - nr_allocated - -- REISERFS_I(hint->inode)-> -- i_prealloc_count); -+ blocks = amount_needed + hint->prealloc_size - nr_allocated - -+ REISERFS_I(hint->inode)->i_prealloc_count; -+ DLIMIT_FREE_BLOCK(hint->inode, blocks); -+ DQUOT_FREE_BLOCK_NODIRTY(hint->inode, blocks); - } - - return CARRY_ON; -Index: linux-2.6.18/fs/reiserfs/file.c -=================================================================== ---- linux-2.6.18.orig/fs/reiserfs/file.c -+++ linux-2.6.18/fs/reiserfs/file.c -@@ -1586,4 +1586,5 @@ struct inode_operations reiserfs_file_in - .listxattr = reiserfs_listxattr, - .removexattr = reiserfs_removexattr, - .permission = reiserfs_permission, -+ .sync_flags = reiserfs_sync_flags, - }; -Index: linux-2.6.18/fs/reiserfs/inode.c -=================================================================== ---- linux-2.6.18.orig/fs/reiserfs/inode.c -+++ linux-2.6.18/fs/reiserfs/inode.c -@@ -16,6 +16,8 @@ - #include <linux/mpage.h> - #include <linux/writeback.h> - #include <linux/quotaops.h> -+#include <linux/vs_dlimit.h> -+#include <linux/vserver/xid.h> - - extern int reiserfs_default_io_size; /* default io size devuned in super.c */ - -@@ -52,6 +54,7 @@ void reiserfs_delete_inode(struct inode - * stat data deletion */ - if (!err) - DQUOT_FREE_INODE(inode); -+ DLIMIT_FREE_INODE(inode); - - if (journal_end(&th, inode->i_sb, jbegin_count)) - goto out; -@@ -1116,6 +1119,8 @@ static void init_inode(struct inode *ino - struct buffer_head *bh; - struct item_head *ih; - __u32 rdev; -+ uid_t uid; -+ gid_t gid; - //int version = ITEM_VERSION_1; - - bh = PATH_PLAST_BUFFER(path); -@@ -1139,12 +1144,13 @@ static void init_inode(struct inode *ino - (struct stat_data_v1 *)B_I_PITEM(bh, ih); - unsigned long blocks; - -+ uid = sd_v1_uid(sd); -+ gid = sd_v1_gid(sd); -+ - set_inode_item_key_version(inode, KEY_FORMAT_3_5); - set_inode_sd_version(inode, STAT_DATA_V1); - inode->i_mode = sd_v1_mode(sd); - inode->i_nlink = sd_v1_nlink(sd); -- inode->i_uid = sd_v1_uid(sd); -- inode->i_gid = sd_v1_gid(sd); - inode->i_size = sd_v1_size(sd); - inode->i_atime.tv_sec = sd_v1_atime(sd); - inode->i_mtime.tv_sec = sd_v1_mtime(sd); -@@ -1186,11 +1192,12 @@ static void init_inode(struct inode *ino - // (directories and symlinks) - struct stat_data *sd = (struct stat_data *)B_I_PITEM(bh, ih); - -+ uid = sd_v2_uid(sd); -+ gid = sd_v2_gid(sd); -+ - inode->i_mode = sd_v2_mode(sd); - inode->i_nlink = sd_v2_nlink(sd); -- inode->i_uid = sd_v2_uid(sd); - inode->i_size = sd_v2_size(sd); -- inode->i_gid = sd_v2_gid(sd); - inode->i_mtime.tv_sec = sd_v2_mtime(sd); - inode->i_atime.tv_sec = sd_v2_atime(sd); - inode->i_ctime.tv_sec = sd_v2_ctime(sd); -@@ -1220,6 +1227,10 @@ static void init_inode(struct inode *ino - sd_attrs_to_i_attrs(sd_v2_attrs(sd), inode); - } - -+ inode->i_uid = INOXID_UID(XID_TAG(inode), uid, gid); -+ inode->i_gid = INOXID_GID(XID_TAG(inode), uid, gid); -+ inode->i_xid = INOXID_XID(XID_TAG(inode), uid, gid, 0); -+ - pathrelse(path); - if (S_ISREG(inode->i_mode)) { - inode->i_op = &reiserfs_file_inode_operations; -@@ -1242,13 +1253,15 @@ static void init_inode(struct inode *ino - static void inode2sd(void *sd, struct inode *inode, loff_t size) - { - struct stat_data *sd_v2 = (struct stat_data *)sd; -+ uid_t uid = XIDINO_UID(XID_TAG(inode), inode->i_uid, inode->i_xid); -+ gid_t gid = XIDINO_GID(XID_TAG(inode), inode->i_gid, inode->i_xid); - __u16 flags; - -+ set_sd_v2_uid(sd_v2, uid); -+ set_sd_v2_gid(sd_v2, gid); - set_sd_v2_mode(sd_v2, inode->i_mode); - set_sd_v2_nlink(sd_v2, inode->i_nlink); -- set_sd_v2_uid(sd_v2, inode->i_uid); - set_sd_v2_size(sd_v2, size); -- set_sd_v2_gid(sd_v2, inode->i_gid); - set_sd_v2_mtime(sd_v2, inode->i_mtime.tv_sec); - set_sd_v2_atime(sd_v2, inode->i_atime.tv_sec); - set_sd_v2_ctime(sd_v2, inode->i_ctime.tv_sec); -@@ -1779,6 +1792,10 @@ int reiserfs_new_inode(struct reiserfs_t - - BUG_ON(!th->t_trans_id); - -+ if (DLIMIT_ALLOC_INODE(inode)) { -+ err = -ENOSPC; -+ goto out_bad_dlimit; -+ } - if (DQUOT_ALLOC_INODE(inode)) { - err = -EDQUOT; - goto out_end_trans; -@@ -1964,6 +1981,9 @@ int reiserfs_new_inode(struct reiserfs_t - DQUOT_FREE_INODE(inode); - - out_end_trans: -+ DLIMIT_FREE_INODE(inode); -+ -+ out_bad_dlimit: - journal_end(th, th->t_super, th->t_blocks_allocated); - /* Drop can be outside and it needs more credits so it's better to have it outside */ - DQUOT_DROP(inode); -@@ -2701,6 +2721,14 @@ void sd_attrs_to_i_attrs(__u16 sd_attrs, - inode->i_flags |= S_IMMUTABLE; - else - inode->i_flags &= ~S_IMMUTABLE; -+ if (sd_attrs & REISERFS_IUNLINK_FL) -+ inode->i_flags |= S_IUNLINK; -+ else -+ inode->i_flags &= ~S_IUNLINK; -+ if (sd_attrs & REISERFS_BARRIER_FL) -+ inode->i_flags |= S_BARRIER; -+ else -+ inode->i_flags &= ~S_BARRIER; - if (sd_attrs & REISERFS_APPEND_FL) - inode->i_flags |= S_APPEND; - else -@@ -2723,6 +2751,14 @@ void i_attrs_to_sd_attrs(struct inode *i - *sd_attrs |= REISERFS_IMMUTABLE_FL; - else - *sd_attrs &= ~REISERFS_IMMUTABLE_FL; -+ if (inode->i_flags & S_IUNLINK) -+ *sd_attrs |= REISERFS_IUNLINK_FL; -+ else -+ *sd_attrs &= ~REISERFS_IUNLINK_FL; -+ if (inode->i_flags & S_BARRIER) -+ *sd_attrs |= REISERFS_BARRIER_FL; -+ else -+ *sd_attrs &= ~REISERFS_BARRIER_FL; - if (inode->i_flags & S_SYNC) - *sd_attrs |= REISERFS_SYNC_FL; - else -@@ -2902,6 +2938,22 @@ static ssize_t reiserfs_direct_IO(int rw - reiserfs_get_blocks_direct_io, NULL); - } - -+int reiserfs_sync_flags(struct inode *inode) -+{ -+ u16 oldflags, newflags; -+ -+ oldflags = REISERFS_I(inode)->i_attrs; -+ newflags = oldflags; -+ i_attrs_to_sd_attrs(inode, &newflags); -+ -+ if (oldflags ^ newflags) { -+ REISERFS_I(inode)->i_attrs = newflags; -+ inode->i_ctime = CURRENT_TIME_SEC; -+ mark_inode_dirty(inode); -+ } -+ return 0; -+} -+ - int reiserfs_setattr(struct dentry *dentry, struct iattr *attr) - { - struct inode *inode = dentry->d_inode; -@@ -2951,9 +3003,11 @@ int reiserfs_setattr(struct dentry *dent - } - - error = inode_change_ok(inode, attr); -+ - if (!error) { - if ((ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid) || -- (ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid)) { -+ (ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid) || -+ (ia_valid & ATTR_XID && attr->ia_xid != inode->i_xid)) { - error = reiserfs_chown_xattrs(inode, attr); - - if (!error) { -@@ -2983,6 +3037,9 @@ int reiserfs_setattr(struct dentry *dent - inode->i_uid = attr->ia_uid; - if (attr->ia_valid & ATTR_GID) - inode->i_gid = attr->ia_gid; -+ if ((attr->ia_valid & ATTR_XID) && -+ IS_TAGXID(inode)) -+ inode->i_xid = attr->ia_xid; - mark_inode_dirty(inode); - error = - journal_end(&th, inode->i_sb, jbegin_count); -Index: linux-2.6.18/fs/reiserfs/ioctl.c -=================================================================== ---- linux-2.6.18.orig/fs/reiserfs/ioctl.c -+++ linux-2.6.18/fs/reiserfs/ioctl.c -@@ -4,6 +4,7 @@ - - #include <linux/capability.h> - #include <linux/fs.h> -+#include <linux/mount.h> - #include <linux/reiserfs_fs.h> - #include <linux/time.h> - #include <asm/uaccess.h> -@@ -23,7 +24,7 @@ static int reiserfs_unpack(struct inode - int reiserfs_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) - { -- unsigned int flags; -+ unsigned int flags, oldflags; - - switch (cmd) { - case REISERFS_IOC_UNPACK: -@@ -42,12 +43,14 @@ int reiserfs_ioctl(struct inode *inode, - - flags = REISERFS_I(inode)->i_attrs; - i_attrs_to_sd_attrs(inode, (__u16 *) & flags); -+ flags &= REISERFS_FL_USER_VISIBLE; - return put_user(flags, (int __user *)arg); - case REISERFS_IOC_SETFLAGS:{ - if (!reiserfs_attrs(inode->i_sb)) - return -ENOTTY; - -- if (IS_RDONLY(inode)) -+ if (IS_RDONLY(inode) || -+ (filp && MNT_IS_RDONLY(filp->f_vfsmnt))) - return -EROFS; - - if ((current->fsuid != inode->i_uid) -@@ -57,10 +60,12 @@ int reiserfs_ioctl(struct inode *inode, - if (get_user(flags, (int __user *)arg)) - return -EFAULT; - -- if (((flags ^ REISERFS_I(inode)-> -- i_attrs) & (REISERFS_IMMUTABLE_FL | -- REISERFS_APPEND_FL)) -- && !capable(CAP_LINUX_IMMUTABLE)) -+ oldflags = REISERFS_I(inode) -> i_attrs; -+ if (((oldflags & REISERFS_IMMUTABLE_FL) || -+ ((flags ^ oldflags) & -+ (REISERFS_IMMUTABLE_FL | REISERFS_IUNLINK_FL | -+ REISERFS_APPEND_FL))) && -+ !capable(CAP_LINUX_IMMUTABLE)) - return -EPERM; - - if ((flags & REISERFS_NOTAIL_FL) && -@@ -71,6 +76,9 @@ int reiserfs_ioctl(struct inode *inode, - if (result) - return result; - } -+ -+ flags = flags & REISERFS_FL_USER_MODIFIABLE; -+ flags |= oldflags & ~REISERFS_FL_USER_MODIFIABLE; - sd_attrs_to_i_attrs(flags, inode); - REISERFS_I(inode)->i_attrs = flags; - inode->i_ctime = CURRENT_TIME_SEC; -@@ -82,7 +90,8 @@ int reiserfs_ioctl(struct inode *inode, - case REISERFS_IOC_SETVERSION: - if ((current->fsuid != inode->i_uid) && !capable(CAP_FOWNER)) - return -EPERM; -- if (IS_RDONLY(inode)) -+ if (IS_RDONLY(inode) || -+ (filp && MNT_IS_RDONLY(filp->f_vfsmnt))) - return -EROFS; - if (get_user(inode->i_generation, (int __user *)arg)) - return -EFAULT; -Index: linux-2.6.18/fs/reiserfs/namei.c -=================================================================== ---- linux-2.6.18.orig/fs/reiserfs/namei.c -+++ linux-2.6.18/fs/reiserfs/namei.c -@@ -18,6 +18,7 @@ - #include <linux/reiserfs_xattr.h> - #include <linux/smp_lock.h> - #include <linux/quotaops.h> -+#include <linux/vserver/xid.h> - - #define INC_DIR_INODE_NLINK(i) if (i->i_nlink != 1) { i->i_nlink++; if (i->i_nlink >= REISERFS_LINK_MAX) i->i_nlink=1; } - #define DEC_DIR_INODE_NLINK(i) if (i->i_nlink != 1) i->i_nlink--; -@@ -364,6 +365,7 @@ static struct dentry *reiserfs_lookup(st - reiserfs_write_unlock(dir->i_sb); - return ERR_PTR(-EACCES); - } -+ vx_propagate_xid(nd, inode); - - /* Propogate the priv_object flag so we know we're in the priv tree */ - if (is_reiserfs_priv_object(dir)) -@@ -599,6 +601,7 @@ static int new_inode_init(struct inode * - } else { - inode->i_gid = current->fsgid; - } -+ inode->i_xid = vx_current_fsxid(inode->i_sb); - DQUOT_INIT(inode); - return 0; - } -@@ -1545,6 +1548,7 @@ struct inode_operations reiserfs_dir_ino - .listxattr = reiserfs_listxattr, - .removexattr = reiserfs_removexattr, - .permission = reiserfs_permission, -+ .sync_flags = reiserfs_sync_flags, - }; - - /* -@@ -1561,6 +1565,7 @@ struct inode_operations reiserfs_symlink - .listxattr = reiserfs_listxattr, - .removexattr = reiserfs_removexattr, - .permission = reiserfs_permission, -+ .sync_flags = reiserfs_sync_flags, - - }; - -@@ -1574,5 +1579,6 @@ struct inode_operations reiserfs_special - .listxattr = reiserfs_listxattr, - .removexattr = reiserfs_removexattr, - .permission = reiserfs_permission, -+ .sync_flags = reiserfs_sync_flags, - - }; -Index: linux-2.6.18/fs/reiserfs/stree.c -=================================================================== ---- linux-2.6.18.orig/fs/reiserfs/stree.c -+++ linux-2.6.18/fs/reiserfs/stree.c -@@ -56,6 +56,7 @@ - #include <linux/smp_lock.h> - #include <linux/buffer_head.h> - #include <linux/quotaops.h> -+#include <linux/vs_dlimit.h> - - /* Does the buffer contain a disk block which is in the tree. */ - inline int B_IS_IN_TREE(const struct buffer_head *p_s_bh) -@@ -1297,6 +1298,7 @@ int reiserfs_delete_item(struct reiserfs - "reiserquota delete_item(): freeing %u, id=%u type=%c", - quota_cut_bytes, p_s_inode->i_uid, head2type(&s_ih)); - #endif -+ DLIMIT_FREE_SPACE(p_s_inode, quota_cut_bytes); - DQUOT_FREE_SPACE_NODIRTY(p_s_inode, quota_cut_bytes); - - /* Return deleted body length */ -@@ -1383,6 +1385,7 @@ void reiserfs_delete_solid_item(struct r - quota_cut_bytes, inode->i_uid, - key2type(key)); - #endif -+ DLIMIT_FREE_SPACE(inode, quota_cut_bytes); - DQUOT_FREE_SPACE_NODIRTY(inode, - quota_cut_bytes); - } -@@ -1740,6 +1743,7 @@ int reiserfs_cut_from_item(struct reiser - "reiserquota cut_from_item(): freeing %u id=%u type=%c", - quota_cut_bytes, p_s_inode->i_uid, '?'); - #endif -+ DLIMIT_FREE_SPACE(p_s_inode, quota_cut_bytes); - DQUOT_FREE_SPACE_NODIRTY(p_s_inode, quota_cut_bytes); - return n_ret_value; - } -@@ -1981,6 +1985,11 @@ int reiserfs_paste_into_item(struct reis - pathrelse(p_s_search_path); - return -EDQUOT; - } -+ if (DLIMIT_ALLOC_SPACE(inode, n_pasted_size)) { -+ DQUOT_FREE_SPACE_NODIRTY(inode, n_pasted_size); -+ pathrelse(p_s_search_path); -+ return -ENOSPC; -+ } - init_tb_struct(th, &s_paste_balance, th->t_super, p_s_search_path, - n_pasted_size); - #ifdef DISPLACE_NEW_PACKING_LOCALITIES -@@ -2033,6 +2042,7 @@ int reiserfs_paste_into_item(struct reis - n_pasted_size, inode->i_uid, - key2type(&(p_s_key->on_disk_key))); - #endif -+ DLIMIT_FREE_SPACE(inode, n_pasted_size); - DQUOT_FREE_SPACE_NODIRTY(inode, n_pasted_size); - return retval; - } -@@ -2070,6 +2080,11 @@ int reiserfs_insert_item(struct reiserfs - pathrelse(p_s_path); - return -EDQUOT; - } -+ if (DLIMIT_ALLOC_SPACE(inode, quota_bytes)) { -+ DQUOT_FREE_SPACE_NODIRTY(inode, quota_bytes); -+ pathrelse(p_s_path); -+ return -ENOSPC; -+ } - } - init_tb_struct(th, &s_ins_balance, th->t_super, p_s_path, - IH_SIZE + ih_item_len(p_s_ih)); -@@ -2117,7 +2132,9 @@ int reiserfs_insert_item(struct reiserfs - "reiserquota insert_item(): freeing %u id=%u type=%c", - quota_bytes, inode->i_uid, head2type(p_s_ih)); - #endif -- if (inode) -+ if (inode) { -+ DLIMIT_FREE_SPACE(inode, quota_bytes); - DQUOT_FREE_SPACE_NODIRTY(inode, quota_bytes); -+ } - return retval; - } -Index: linux-2.6.18/fs/reiserfs/super.c -=================================================================== ---- linux-2.6.18.orig/fs/reiserfs/super.c -+++ linux-2.6.18/fs/reiserfs/super.c -@@ -882,6 +882,9 @@ static int reiserfs_parse_options(struct - {"user_xattr",.setmask = 1 << REISERFS_UNSUPPORTED_OPT}, - {"nouser_xattr",.clrmask = 1 << REISERFS_UNSUPPORTED_OPT}, - #endif -+#ifndef CONFIG_INOXID_NONE -+ {"tagxid",.setmask = 1 << REISERFS_TAGXID}, -+#endif - #ifdef CONFIG_REISERFS_FS_POSIX_ACL - {"acl",.setmask = 1 << REISERFS_POSIXACL}, - {"noacl",.clrmask = 1 << REISERFS_POSIXACL}, -@@ -1154,6 +1157,12 @@ static int reiserfs_remount(struct super - return -EINVAL; - } - -+ if ((mount_options & (1 << REISERFS_TAGXID)) && -+ !(s->s_flags & MS_TAGXID)) { -+ reiserfs_warning(s, "reiserfs: tagxid not permitted on remount."); -+ return -EINVAL; -+ } -+ - handle_attrs(s); - - /* Add options that are safe here */ -@@ -1729,6 +1738,10 @@ static int reiserfs_fill_super(struct su - goto error; - } - -+ /* map mount option tagxid */ -+ if (REISERFS_SB(s)->s_mount_opt & (1 << REISERFS_TAGXID)) -+ s->s_flags |= MS_TAGXID; -+ - rs = SB_DISK_SUPER_BLOCK(s); - /* Let's do basic sanity check to verify that underlying device is not - smaller than the filesystem. If the check fails then abort and scream, -Index: linux-2.6.18/fs/reiserfs/xattr.c -=================================================================== ---- linux-2.6.18.orig/fs/reiserfs/xattr.c -+++ linux-2.6.18/fs/reiserfs/xattr.c -@@ -35,6 +35,7 @@ - #include <linux/namei.h> - #include <linux/errno.h> - #include <linux/fs.h> -+#include <linux/mount.h> - #include <linux/file.h> - #include <linux/pagemap.h> - #include <linux/xattr.h> -@@ -823,7 +824,7 @@ int reiserfs_delete_xattrs(struct inode - if (dir->d_inode->i_nlink <= 2) { - root = get_xa_root(inode->i_sb); - reiserfs_write_lock_xattrs(inode->i_sb); -- err = vfs_rmdir(root->d_inode, dir); -+ err = vfs_rmdir(root->d_inode, dir, NULL); - reiserfs_write_unlock_xattrs(inode->i_sb); - dput(root); - } else { -Index: linux-2.6.18/fs/stat.c -=================================================================== ---- linux-2.6.18.orig/fs/stat.c -+++ linux-2.6.18/fs/stat.c -@@ -26,6 +26,7 @@ void generic_fillattr(struct inode *inod - stat->nlink = inode->i_nlink; - stat->uid = inode->i_uid; - stat->gid = inode->i_gid; -+ stat->xid = inode->i_xid; - stat->rdev = inode->i_rdev; - stat->atime = inode->i_atime; - stat->mtime = inode->i_mtime; -Index: linux-2.6.18/fs/super.c -=================================================================== ---- linux-2.6.18.orig/fs/super.c -+++ linux-2.6.18/fs/super.c -@@ -37,6 +37,8 @@ - #include <linux/idr.h> - #include <linux/kobject.h> - #include <linux/mutex.h> -+#include <linux/devpts_fs.h> -+#include <linux/proc_fs.h> - #include <asm/uaccess.h> - - -@@ -818,6 +820,7 @@ struct vfsmount * - vfs_kern_mount(struct file_system_type *type, int flags, const char *name, void *data) - { - struct vfsmount *mnt; -+ struct super_block *sb; - char *secdata = NULL; - int error; - -@@ -843,7 +846,14 @@ vfs_kern_mount(struct file_system_type * - if (error < 0) - goto out_free_secdata; - -- error = security_sb_kern_mount(mnt->mnt_sb, secdata); -+ sb = mnt->mnt_sb; -+ error = -EPERM; -+ if (!vx_capable(CAP_SYS_ADMIN, VXC_BINARY_MOUNT) && !sb->s_bdev && -+ (sb->s_magic != PROC_SUPER_MAGIC) && -+ (sb->s_magic != DEVPTS_SUPER_MAGIC)) -+ goto out_sb; -+ -+ error = security_sb_kern_mount(sb, secdata); - if (error) - goto out_sb; - -@@ -871,9 +881,17 @@ do_kern_mount(const char *fstype, int fl - { - struct file_system_type *type = get_fs_type(fstype); - struct vfsmount *mnt; -+ - if (!type) - return ERR_PTR(-ENODEV); -+ -+ mnt = ERR_PTR(-EPERM); -+ if ((type->fs_flags & FS_BINARY_MOUNTDATA) && -+ !vx_capable(CAP_SYS_ADMIN, VXC_BINARY_MOUNT)) -+ goto out_put; -+ - mnt = vfs_kern_mount(type, flags, name, data); -+out_put: - put_filesystem(type); - return mnt; - } -Index: linux-2.6.18/fs/sysfs/mount.c -=================================================================== ---- linux-2.6.18.orig/fs/sysfs/mount.c -+++ linux-2.6.18/fs/sysfs/mount.c -@@ -11,8 +11,6 @@ - - #include "sysfs.h" - --/* Random magic number */ --#define SYSFS_MAGIC 0x62656572 - - struct vfsmount *sysfs_mount; - struct super_block * sysfs_sb = NULL; -@@ -38,7 +36,7 @@ static int sysfs_fill_super(struct super - - sb->s_blocksize = PAGE_CACHE_SIZE; - sb->s_blocksize_bits = PAGE_CACHE_SHIFT; -- sb->s_magic = SYSFS_MAGIC; -+ sb->s_magic = SYSFS_SUPER_MAGIC; - sb->s_op = &sysfs_ops; - sb->s_time_gran = 1; - sysfs_sb = sb; -Index: linux-2.6.18/fs/xattr.c -=================================================================== ---- linux-2.6.18.orig/fs/xattr.c -+++ linux-2.6.18/fs/xattr.c -@@ -18,6 +18,7 @@ - #include <linux/module.h> - #include <linux/fsnotify.h> - #include <linux/audit.h> -+#include <linux/mount.h> - #include <asm/uaccess.h> - - -@@ -168,7 +169,7 @@ EXPORT_SYMBOL_GPL(vfs_removexattr); - */ - static long - setxattr(struct dentry *d, char __user *name, void __user *value, -- size_t size, int flags) -+ size_t size, int flags, struct vfsmount *mnt) - { - int error; - void *kvalue = NULL; -@@ -195,6 +196,9 @@ setxattr(struct dentry *d, char __user * - } - } - -+ if (MNT_IS_RDONLY(mnt)) -+ return -EROFS; -+ - error = vfs_setxattr(d, kname, kvalue, size, flags); - kfree(kvalue); - return error; -@@ -210,7 +214,7 @@ sys_setxattr(char __user *path, char __u - error = user_path_walk(path, &nd); - if (error) - return error; -- error = setxattr(nd.dentry, name, value, size, flags); -+ error = setxattr(nd.dentry, name, value, size, flags, nd.mnt); - path_release(&nd); - return error; - } -@@ -225,7 +229,7 @@ sys_lsetxattr(char __user *path, char __ - error = user_path_walk_link(path, &nd); - if (error) - return error; -- error = setxattr(nd.dentry, name, value, size, flags); -+ error = setxattr(nd.dentry, name, value, size, flags, nd.mnt); - path_release(&nd); - return error; - } -@@ -243,7 +247,7 @@ sys_fsetxattr(int fd, char __user *name, - return error; - dentry = f->f_dentry; - audit_inode(NULL, dentry->d_inode); -- error = setxattr(dentry, name, value, size, flags); -+ error = setxattr(dentry, name, value, size, flags, f->f_vfsmnt); - fput(f); - return error; - } -@@ -416,7 +420,7 @@ sys_flistxattr(int fd, char __user *list - * Extended attribute REMOVE operations - */ - static long --removexattr(struct dentry *d, char __user *name) -+removexattr(struct dentry *d, char __user *name, struct vfsmount *mnt) - { - int error; - char kname[XATTR_NAME_MAX + 1]; -@@ -427,6 +431,9 @@ removexattr(struct dentry *d, char __use - if (error < 0) - return error; - -+ if (MNT_IS_RDONLY(mnt)) -+ return -EROFS; -+ - return vfs_removexattr(d, kname); - } - -@@ -439,7 +446,7 @@ sys_removexattr(char __user *path, char - error = user_path_walk(path, &nd); - if (error) - return error; -- error = removexattr(nd.dentry, name); -+ error = removexattr(nd.dentry, name, nd.mnt); - path_release(&nd); - return error; - } -@@ -453,7 +460,7 @@ sys_lremovexattr(char __user *path, char - error = user_path_walk_link(path, &nd); - if (error) - return error; -- error = removexattr(nd.dentry, name); -+ error = removexattr(nd.dentry, name, nd.mnt); - path_release(&nd); - return error; - } -@@ -470,7 +477,7 @@ sys_fremovexattr(int fd, char __user *na - return error; - dentry = f->f_dentry; - audit_inode(NULL, dentry->d_inode); -- error = removexattr(dentry, name); -+ error = removexattr(dentry, name, f->f_vfsmnt); - fput(f); - return error; - } -Index: linux-2.6.18/fs/xfs/linux-2.6/xfs_ioctl.c -=================================================================== ---- linux-2.6.18.orig/fs/xfs/linux-2.6/xfs_ioctl.c -+++ linux-2.6.18/fs/xfs/linux-2.6/xfs_ioctl.c -@@ -1095,6 +1095,8 @@ xfs_ioc_fsgeometry( - #define LINUX_XFLAG_APPEND 0x00000020 /* writes to file may only append */ - #define LINUX_XFLAG_NODUMP 0x00000040 /* do not dump file */ - #define LINUX_XFLAG_NOATIME 0x00000080 /* do not update atime */ -+#define LINUX_XFLAG_BARRIER 0x04000000 /* chroot() barrier */ -+#define LINUX_XFLAG_IUNLINK 0x08000000 /* immutable unlink */ - - STATIC unsigned int - xfs_merge_ioc_xflags( -@@ -1135,6 +1137,10 @@ xfs_di2lxflags( - - if (di_flags & XFS_DIFLAG_IMMUTABLE) - flags |= LINUX_XFLAG_IMMUTABLE; -+ if (di_flags & XFS_DIFLAG_IUNLINK) -+ flags |= LINUX_XFLAG_IUNLINK; -+ if (di_flags & XFS_DIFLAG_BARRIER) -+ flags |= LINUX_XFLAG_BARRIER; - if (di_flags & XFS_DIFLAG_APPEND) - flags |= LINUX_XFLAG_APPEND; - if (di_flags & XFS_DIFLAG_SYNC) -Index: linux-2.6.18/fs/xfs/linux-2.6/xfs_iops.c -=================================================================== ---- linux-2.6.18.orig/fs/xfs/linux-2.6/xfs_iops.c -+++ linux-2.6.18/fs/xfs/linux-2.6/xfs_iops.c -@@ -53,6 +53,7 @@ - #include <linux/xattr.h> - #include <linux/namei.h> - #include <linux/security.h> -+#include <linux/vserver/xid.h> - - /* - * Get a XFS inode from a given vnode. -@@ -402,6 +403,7 @@ xfs_vn_lookup( - d_add(dentry, NULL); - return NULL; - } -+ vx_propagate_xid(nd, vn_to_inode(cvp)); - - return d_splice_alias(vn_to_inode(cvp), dentry); - } -@@ -644,6 +646,10 @@ xfs_vn_setattr( - int flags = 0; - int error; - -+ error = inode_change_ok(inode, attr); -+ if (error) -+ return error; -+ - if (ia_valid & ATTR_UID) { - vattr.va_mask |= XFS_AT_UID; - vattr.va_uid = attr->ia_uid; -@@ -652,6 +658,10 @@ xfs_vn_setattr( - vattr.va_mask |= XFS_AT_GID; - vattr.va_gid = attr->ia_gid; - } -+ if ((ia_valid & ATTR_XID) && IS_TAGXID(inode)) { -+ vattr.va_mask |= XFS_AT_XID; -+ vattr.va_xid = attr->ia_xid; -+ } - if (ia_valid & ATTR_SIZE) { - vattr.va_mask |= XFS_AT_SIZE; - vattr.va_size = attr->ia_size; -@@ -697,6 +707,42 @@ xfs_vn_truncate( - } - - STATIC int -+xfs_vn_sync_flags(struct inode *inode) -+{ -+ unsigned int oldflags, newflags; -+ int flags = 0; -+ int error; -+ bhv_vattr_t vattr; -+ bhv_vnode_t *vp = vn_from_inode(inode); -+ -+ memset(&vattr, 0, sizeof vattr); -+ -+ vattr.va_mask = XFS_AT_XFLAGS; -+ error = bhv_vop_getattr(vp, &vattr, 0, NULL); -+ -+ if (error) -+ return error; -+ oldflags = vattr.va_xflags; -+ newflags = oldflags & ~(XFS_XFLAG_IMMUTABLE | -+ XFS_XFLAG_IUNLINK | XFS_XFLAG_BARRIER); -+ -+ if (IS_IMMUTABLE(inode)) -+ newflags |= XFS_XFLAG_IMMUTABLE; -+ if (IS_IUNLINK(inode)) -+ newflags |= XFS_XFLAG_IUNLINK; -+ if (IS_BARRIER(inode)) -+ newflags |= XFS_XFLAG_BARRIER; -+ -+ if (oldflags ^ newflags) { -+ vattr.va_xflags = newflags; -+ vattr.va_mask |= XFS_AT_XFLAGS; -+ error = bhv_vop_setattr(vp, &vattr, flags, NULL); -+ } -+ vn_revalidate(vp); -+ return error; -+} -+ -+STATIC int - xfs_vn_setxattr( - struct dentry *dentry, - const char *name, -@@ -809,6 +855,7 @@ struct inode_operations xfs_inode_operat - .getxattr = xfs_vn_getxattr, - .listxattr = xfs_vn_listxattr, - .removexattr = xfs_vn_removexattr, -+ .sync_flags = xfs_vn_sync_flags, - }; - - struct inode_operations xfs_dir_inode_operations = { -@@ -828,6 +875,7 @@ struct inode_operations xfs_dir_inode_op - .getxattr = xfs_vn_getxattr, - .listxattr = xfs_vn_listxattr, - .removexattr = xfs_vn_removexattr, -+ .sync_flags = xfs_vn_sync_flags, - }; - - struct inode_operations xfs_symlink_inode_operations = { -@@ -841,4 +889,5 @@ struct inode_operations xfs_symlink_inod - .getxattr = xfs_vn_getxattr, - .listxattr = xfs_vn_listxattr, - .removexattr = xfs_vn_removexattr, -+ .sync_flags = xfs_vn_sync_flags, - }; -Index: linux-2.6.18/fs/xfs/linux-2.6/xfs_linux.h -=================================================================== ---- linux-2.6.18.orig/fs/xfs/linux-2.6/xfs_linux.h -+++ linux-2.6.18/fs/xfs/linux-2.6/xfs_linux.h -@@ -139,6 +139,7 @@ BUFFER_FNS(PrivateStart, unwritten); - #define current_pid() (current->pid) - #define current_fsuid(cred) (current->fsuid) - #define current_fsgid(cred) (current->fsgid) -+#define current_fsxid(cred,vp) (vx_current_fsxid(vn_to_inode(vp)->i_sb)) - #define current_test_flags(f) (current->flags & (f)) - #define current_set_flags_nested(sp, f) \ - (*(sp) = current->flags, current->flags |= (f)) -Index: linux-2.6.18/fs/xfs/linux-2.6/xfs_super.c -=================================================================== ---- linux-2.6.18.orig/fs/xfs/linux-2.6/xfs_super.c -+++ linux-2.6.18/fs/xfs/linux-2.6/xfs_super.c -@@ -158,6 +158,7 @@ xfs_revalidate_inode( - inode->i_nlink = ip->i_d.di_nlink; - inode->i_uid = ip->i_d.di_uid; - inode->i_gid = ip->i_d.di_gid; -+ inode->i_xid = ip->i_d.di_xid; - - switch (inode->i_mode & S_IFMT) { - case S_IFBLK: -@@ -186,6 +187,14 @@ xfs_revalidate_inode( - inode->i_flags |= S_IMMUTABLE; - else - inode->i_flags &= ~S_IMMUTABLE; -+ if (ip->i_d.di_flags & XFS_DIFLAG_IUNLINK) -+ inode->i_flags |= S_IUNLINK; -+ else -+ inode->i_flags &= ~S_IUNLINK; -+ if (ip->i_d.di_flags & XFS_DIFLAG_BARRIER) -+ inode->i_flags |= S_BARRIER; -+ else -+ inode->i_flags &= ~S_BARRIER; - if (ip->i_d.di_flags & XFS_DIFLAG_APPEND) - inode->i_flags |= S_APPEND; - else -@@ -709,6 +718,12 @@ xfs_fs_remount( - int error; - - error = bhv_vfs_parseargs(vfsp, options, args, 1); -+ if ((args->flags2 & XFSMNT2_TAGXID) && -+ !(sb->s_flags & MS_TAGXID)) { -+ printk("XFS: %s: tagxid not permitted on remount.\n", -+ sb->s_id); -+ error = EINVAL; -+ } - if (!error) - error = bhv_vfs_mntupdate(vfsp, flags, args); - kmem_free(args, sizeof(*args)); -Index: linux-2.6.18/fs/xfs/linux-2.6/xfs_sysctl.c -=================================================================== ---- linux-2.6.18.orig/fs/xfs/linux-2.6/xfs_sysctl.c -+++ linux-2.6.18/fs/xfs/linux-2.6/xfs_sysctl.c -@@ -57,79 +57,79 @@ xfs_stats_clear_proc_handler( - STATIC ctl_table xfs_table[] = { - {XFS_RESTRICT_CHOWN, "restrict_chown", &xfs_params.restrict_chown.val, - sizeof(int), 0644, NULL, &proc_dointvec_minmax, -- &sysctl_intvec, NULL, -+ NULL, &sysctl_intvec, NULL, - &xfs_params.restrict_chown.min, &xfs_params.restrict_chown.max}, - - {XFS_SGID_INHERIT, "irix_sgid_inherit", &xfs_params.sgid_inherit.val, - sizeof(int), 0644, NULL, &proc_dointvec_minmax, -- &sysctl_intvec, NULL, -+ NULL, &sysctl_intvec, NULL, - &xfs_params.sgid_inherit.min, &xfs_params.sgid_inherit.max}, - - {XFS_SYMLINK_MODE, "irix_symlink_mode", &xfs_params.symlink_mode.val, - sizeof(int), 0644, NULL, &proc_dointvec_minmax, -- &sysctl_intvec, NULL, -+ NULL, &sysctl_intvec, NULL, - &xfs_params.symlink_mode.min, &xfs_params.symlink_mode.max}, - - {XFS_PANIC_MASK, "panic_mask", &xfs_params.panic_mask.val, - sizeof(int), 0644, NULL, &proc_dointvec_minmax, -- &sysctl_intvec, NULL, -+ NULL, &sysctl_intvec, NULL, - &xfs_params.panic_mask.min, &xfs_params.panic_mask.max}, - - {XFS_ERRLEVEL, "error_level", &xfs_params.error_level.val, - sizeof(int), 0644, NULL, &proc_dointvec_minmax, -- &sysctl_intvec, NULL, -+ NULL, &sysctl_intvec, NULL, - &xfs_params.error_level.min, &xfs_params.error_level.max}, - - {XFS_SYNCD_TIMER, "xfssyncd_centisecs", &xfs_params.syncd_timer.val, - sizeof(int), 0644, NULL, &proc_dointvec_minmax, -- &sysctl_intvec, NULL, -+ NULL, &sysctl_intvec, NULL, - &xfs_params.syncd_timer.min, &xfs_params.syncd_timer.max}, - - {XFS_INHERIT_SYNC, "inherit_sync", &xfs_params.inherit_sync.val, - sizeof(int), 0644, NULL, &proc_dointvec_minmax, -- &sysctl_intvec, NULL, -+ NULL, &sysctl_intvec, NULL, - &xfs_params.inherit_sync.min, &xfs_params.inherit_sync.max}, - - {XFS_INHERIT_NODUMP, "inherit_nodump", &xfs_params.inherit_nodump.val, - sizeof(int), 0644, NULL, &proc_dointvec_minmax, -- &sysctl_intvec, NULL, -+ NULL, &sysctl_intvec, NULL, - &xfs_params.inherit_nodump.min, &xfs_params.inherit_nodump.max}, - - {XFS_INHERIT_NOATIME, "inherit_noatime", &xfs_params.inherit_noatim.val, - sizeof(int), 0644, NULL, &proc_dointvec_minmax, -- &sysctl_intvec, NULL, -+ NULL, &sysctl_intvec, NULL, - &xfs_params.inherit_noatim.min, &xfs_params.inherit_noatim.max}, - - {XFS_BUF_TIMER, "xfsbufd_centisecs", &xfs_params.xfs_buf_timer.val, - sizeof(int), 0644, NULL, &proc_dointvec_minmax, -- &sysctl_intvec, NULL, -+ NULL, &sysctl_intvec, NULL, - &xfs_params.xfs_buf_timer.min, &xfs_params.xfs_buf_timer.max}, - - {XFS_BUF_AGE, "age_buffer_centisecs", &xfs_params.xfs_buf_age.val, - sizeof(int), 0644, NULL, &proc_dointvec_minmax, -- &sysctl_intvec, NULL, -+ NULL, &sysctl_intvec, NULL, - &xfs_params.xfs_buf_age.min, &xfs_params.xfs_buf_age.max}, - - {XFS_INHERIT_NOSYM, "inherit_nosymlinks", &xfs_params.inherit_nosym.val, - sizeof(int), 0644, NULL, &proc_dointvec_minmax, -- &sysctl_intvec, NULL, -+ NULL, &sysctl_intvec, NULL, - &xfs_params.inherit_nosym.min, &xfs_params.inherit_nosym.max}, - - {XFS_ROTORSTEP, "rotorstep", &xfs_params.rotorstep.val, - sizeof(int), 0644, NULL, &proc_dointvec_minmax, -- &sysctl_intvec, NULL, -+ NULL, &sysctl_intvec, NULL, - &xfs_params.rotorstep.min, &xfs_params.rotorstep.max}, - - {XFS_INHERIT_NODFRG, "inherit_nodefrag", &xfs_params.inherit_nodfrg.val, - sizeof(int), 0644, NULL, &proc_dointvec_minmax, -- &sysctl_intvec, NULL, -+ NULL, &sysctl_intvec, NULL, - &xfs_params.inherit_nodfrg.min, &xfs_params.inherit_nodfrg.max}, - - /* please keep this the last entry */ - #ifdef CONFIG_PROC_FS - {XFS_STATS_CLEAR, "stats_clear", &xfs_params.stats_clear.val, - sizeof(int), 0644, NULL, &xfs_stats_clear_proc_handler, -- &sysctl_intvec, NULL, -+ NULL, &sysctl_intvec, NULL, - &xfs_params.stats_clear.min, &xfs_params.stats_clear.max}, - #endif /* CONFIG_PROC_FS */ - -Index: linux-2.6.18/fs/xfs/linux-2.6/xfs_vnode.c -=================================================================== ---- linux-2.6.18.orig/fs/xfs/linux-2.6/xfs_vnode.c -+++ linux-2.6.18/fs/xfs/linux-2.6/xfs_vnode.c -@@ -119,6 +119,7 @@ vn_revalidate_core( - inode->i_nlink = vap->va_nlink; - inode->i_uid = vap->va_uid; - inode->i_gid = vap->va_gid; -+ inode->i_xid = vap->va_xid; - inode->i_blocks = vap->va_nblocks; - inode->i_mtime = vap->va_mtime; - inode->i_ctime = vap->va_ctime; -@@ -127,6 +128,14 @@ vn_revalidate_core( - inode->i_flags |= S_IMMUTABLE; - else - inode->i_flags &= ~S_IMMUTABLE; -+ if (vap->va_xflags & XFS_XFLAG_IUNLINK) -+ inode->i_flags |= S_IUNLINK; -+ else -+ inode->i_flags &= ~S_IUNLINK; -+ if (vap->va_xflags & XFS_XFLAG_BARRIER) -+ inode->i_flags |= S_BARRIER; -+ else -+ inode->i_flags &= ~S_BARRIER; - if (vap->va_xflags & XFS_XFLAG_APPEND) - inode->i_flags |= S_APPEND; - else -Index: linux-2.6.18/fs/xfs/linux-2.6/xfs_vnode.h -=================================================================== ---- linux-2.6.18.orig/fs/xfs/linux-2.6/xfs_vnode.h -+++ linux-2.6.18/fs/xfs/linux-2.6/xfs_vnode.h -@@ -352,6 +352,7 @@ typedef struct bhv_vattr { - xfs_nlink_t va_nlink; /* number of references to file */ - uid_t va_uid; /* owner user id */ - gid_t va_gid; /* owner group id */ -+ xid_t va_xid; /* owner group id */ - xfs_ino_t va_nodeid; /* file id */ - xfs_off_t va_size; /* file size in bytes */ - u_long va_blocksize; /* blocksize preferred for i/o */ -@@ -400,13 +401,15 @@ typedef struct bhv_vattr { - #define XFS_AT_PROJID 0x04000000 - #define XFS_AT_SIZE_NOPERM 0x08000000 - #define XFS_AT_GENCOUNT 0x10000000 -+#define XFS_AT_XID 0x20000000 - - #define XFS_AT_ALL (XFS_AT_TYPE|XFS_AT_MODE|XFS_AT_UID|XFS_AT_GID|\ - XFS_AT_FSID|XFS_AT_NODEID|XFS_AT_NLINK|XFS_AT_SIZE|\ - XFS_AT_ATIME|XFS_AT_MTIME|XFS_AT_CTIME|XFS_AT_RDEV|\ - XFS_AT_BLKSIZE|XFS_AT_NBLOCKS|XFS_AT_VCODE|XFS_AT_MAC|\ - XFS_AT_ACL|XFS_AT_CAP|XFS_AT_INF|XFS_AT_XFLAGS|XFS_AT_EXTSIZE|\ -- XFS_AT_NEXTENTS|XFS_AT_ANEXTENTS|XFS_AT_PROJID|XFS_AT_GENCOUNT) -+ XFS_AT_NEXTENTS|XFS_AT_ANEXTENTS|XFS_AT_PROJID|XFS_AT_GENCOUNT\ -+ XFS_AT_XID) - - #define XFS_AT_STAT (XFS_AT_TYPE|XFS_AT_MODE|XFS_AT_UID|XFS_AT_GID|\ - XFS_AT_FSID|XFS_AT_NODEID|XFS_AT_NLINK|XFS_AT_SIZE|\ -Index: linux-2.6.18/fs/xfs/quota/xfs_qm_syscalls.c -=================================================================== ---- linux-2.6.18.orig/fs/xfs/quota/xfs_qm_syscalls.c -+++ linux-2.6.18/fs/xfs/quota/xfs_qm_syscalls.c -@@ -213,7 +213,7 @@ xfs_qm_scall_quotaoff( - xfs_qoff_logitem_t *qoffstart; - int nculprits; - -- if (!force && !capable(CAP_SYS_ADMIN)) -+ if (!force && !vx_capable(CAP_SYS_ADMIN, VXC_QUOTA_CTL)) - return XFS_ERROR(EPERM); - /* - * No file system can have quotas enabled on disk but not in core. -@@ -382,7 +382,7 @@ xfs_qm_scall_trunc_qfiles( - int error; - xfs_inode_t *qip; - -- if (!capable(CAP_SYS_ADMIN)) -+ if (!vx_capable(CAP_SYS_ADMIN, VXC_QUOTA_CTL)) - return XFS_ERROR(EPERM); - error = 0; - if (!XFS_SB_VERSION_HASQUOTA(&mp->m_sb) || flags == 0) { -@@ -427,7 +427,7 @@ xfs_qm_scall_quotaon( - uint accflags; - __int64_t sbflags; - -- if (!capable(CAP_SYS_ADMIN)) -+ if (!vx_capable(CAP_SYS_ADMIN, VXC_QUOTA_CTL)) - return XFS_ERROR(EPERM); - - flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD); -@@ -598,7 +598,7 @@ xfs_qm_scall_setqlim( - int error; - xfs_qcnt_t hard, soft; - -- if (!capable(CAP_SYS_ADMIN)) -+ if (!vx_capable(CAP_SYS_ADMIN, VXC_QUOTA_CTL)) - return XFS_ERROR(EPERM); - - if ((newlim->d_fieldmask & -Index: linux-2.6.18/fs/xfs/xfs_clnt.h -=================================================================== ---- linux-2.6.18.orig/fs/xfs/xfs_clnt.h -+++ linux-2.6.18/fs/xfs/xfs_clnt.h -@@ -99,5 +99,7 @@ struct xfs_mount_args { - */ - #define XFSMNT2_COMPAT_IOSIZE 0x00000001 /* don't report large preferred - * I/O size in stat(2) */ -+#define XFSMNT2_TAGXID 0x80000000 /* context xid tagging */ -+ - - #endif /* __XFS_CLNT_H__ */ -Index: linux-2.6.18/fs/xfs/xfs_dinode.h -=================================================================== ---- linux-2.6.18.orig/fs/xfs/xfs_dinode.h -+++ linux-2.6.18/fs/xfs/xfs_dinode.h -@@ -53,7 +53,8 @@ typedef struct xfs_dinode_core - __uint32_t di_gid; /* owner's group id */ - __uint32_t di_nlink; /* number of links to file */ - __uint16_t di_projid; /* owner's project id */ -- __uint8_t di_pad[8]; /* unused, zeroed space */ -+ __uint16_t di_xid; /* vserver context id */ -+ __uint8_t di_pad[6]; /* unused, zeroed space */ - __uint16_t di_flushiter; /* incremented on flush */ - xfs_timestamp_t di_atime; /* time last accessed */ - xfs_timestamp_t di_mtime; /* time last modified */ -@@ -257,6 +258,9 @@ typedef enum xfs_dinode_fmt - #define XFS_DIFLAG_EXTSIZE_BIT 11 /* inode extent size allocator hint */ - #define XFS_DIFLAG_EXTSZINHERIT_BIT 12 /* inherit inode extent size */ - #define XFS_DIFLAG_NODEFRAG_BIT 13 /* do not reorganize/defragment */ -+#define XFS_DIFLAG_BARRIER_BIT 14 /* chroot() barrier */ -+#define XFS_DIFLAG_IUNLINK_BIT 15 /* immutable unlink */ -+ - #define XFS_DIFLAG_REALTIME (1 << XFS_DIFLAG_REALTIME_BIT) - #define XFS_DIFLAG_PREALLOC (1 << XFS_DIFLAG_PREALLOC_BIT) - #define XFS_DIFLAG_NEWRTBM (1 << XFS_DIFLAG_NEWRTBM_BIT) -@@ -271,12 +275,15 @@ typedef enum xfs_dinode_fmt - #define XFS_DIFLAG_EXTSIZE (1 << XFS_DIFLAG_EXTSIZE_BIT) - #define XFS_DIFLAG_EXTSZINHERIT (1 << XFS_DIFLAG_EXTSZINHERIT_BIT) - #define XFS_DIFLAG_NODEFRAG (1 << XFS_DIFLAG_NODEFRAG_BIT) -+#define XFS_DIFLAG_BARRIER (1 << XFS_DIFLAG_BARRIER_BIT) -+#define XFS_DIFLAG_IUNLINK (1 << XFS_DIFLAG_IUNLINK_BIT) - - #define XFS_DIFLAG_ANY \ - (XFS_DIFLAG_REALTIME | XFS_DIFLAG_PREALLOC | XFS_DIFLAG_NEWRTBM | \ - XFS_DIFLAG_IMMUTABLE | XFS_DIFLAG_APPEND | XFS_DIFLAG_SYNC | \ - XFS_DIFLAG_NOATIME | XFS_DIFLAG_NODUMP | XFS_DIFLAG_RTINHERIT | \ - XFS_DIFLAG_PROJINHERIT | XFS_DIFLAG_NOSYMLINKS | XFS_DIFLAG_EXTSIZE | \ -- XFS_DIFLAG_EXTSZINHERIT | XFS_DIFLAG_NODEFRAG) -+ XFS_DIFLAG_EXTSZINHERIT | XFS_DIFLAG_NODEFRAG | XFS_DIFLAG_BARRIER | \ -+ XFS_DIFLAG_IUNLINK) - - #endif /* __XFS_DINODE_H__ */ -Index: linux-2.6.18/fs/xfs/xfs_fs.h -=================================================================== ---- linux-2.6.18.orig/fs/xfs/xfs_fs.h -+++ linux-2.6.18/fs/xfs/xfs_fs.h -@@ -68,6 +68,8 @@ struct fsxattr { - #define XFS_XFLAG_EXTSIZE 0x00000800 /* extent size allocator hint */ - #define XFS_XFLAG_EXTSZINHERIT 0x00001000 /* inherit inode extent size */ - #define XFS_XFLAG_NODEFRAG 0x00002000 /* do not defragment */ -+#define XFS_XFLAG_BARRIER 0x00004000 /* chroot() barrier */ -+#define XFS_XFLAG_IUNLINK 0x00008000 /* immutable unlink */ - #define XFS_XFLAG_HASATTR 0x80000000 /* no DIFLAG for this */ - - /* -@@ -296,7 +298,8 @@ typedef struct xfs_bstat { - __s32 bs_extents; /* number of extents */ - __u32 bs_gen; /* generation count */ - __u16 bs_projid; /* project id */ -- unsigned char bs_pad[14]; /* pad space, unused */ -+ __u16 bs_xid; /* context id */ -+ unsigned char bs_pad[12]; /* pad space, unused */ - __u32 bs_dmevmask; /* DMIG event mask */ - __u16 bs_dmstate; /* DMIG state info */ - __u16 bs_aextents; /* attribute number of extents */ -Index: linux-2.6.18/fs/xfs/xfs_inode.c -=================================================================== ---- linux-2.6.18.orig/fs/xfs/xfs_inode.c -+++ linux-2.6.18/fs/xfs/xfs_inode.c -@@ -50,6 +50,7 @@ - #include "xfs_mac.h" - #include "xfs_acl.h" - -+#include <linux/vserver/xid.h> - - kmem_zone_t *xfs_ifork_zone; - kmem_zone_t *xfs_inode_zone; -@@ -736,20 +737,35 @@ xfs_xlate_dinode_core( - xfs_dinode_core_t *buf_core = (xfs_dinode_core_t *)buf; - xfs_dinode_core_t *mem_core = (xfs_dinode_core_t *)dip; - xfs_arch_t arch = ARCH_CONVERT; -+ uint32_t uid = 0, gid = 0; -+ uint16_t xid = 0; - - ASSERT(dir); - -+ if (dir < 0) { -+ xid = mem_core->di_xid; -+ /* FIXME: supposed to use superblock flag */ -+ uid = XIDINO_UID(1, mem_core->di_uid, xid); -+ gid = XIDINO_GID(1, mem_core->di_gid, xid); -+ xid = XIDINO_XID(1, xid); -+ } -+ - INT_XLATE(buf_core->di_magic, mem_core->di_magic, dir, arch); - INT_XLATE(buf_core->di_mode, mem_core->di_mode, dir, arch); - INT_XLATE(buf_core->di_version, mem_core->di_version, dir, arch); - INT_XLATE(buf_core->di_format, mem_core->di_format, dir, arch); - INT_XLATE(buf_core->di_onlink, mem_core->di_onlink, dir, arch); -- INT_XLATE(buf_core->di_uid, mem_core->di_uid, dir, arch); -- INT_XLATE(buf_core->di_gid, mem_core->di_gid, dir, arch); -+ INT_XLATE(buf_core->di_uid, uid, dir, arch); -+ INT_XLATE(buf_core->di_gid, gid, dir, arch); -+ INT_XLATE(buf_core->di_xid, xid, dir, arch); - INT_XLATE(buf_core->di_nlink, mem_core->di_nlink, dir, arch); - INT_XLATE(buf_core->di_projid, mem_core->di_projid, dir, arch); - - if (dir > 0) { -+ /* FIXME: supposed to use superblock flag */ -+ mem_core->di_uid = INOXID_UID(1, uid, gid); -+ mem_core->di_gid = INOXID_GID(1, uid, gid); -+ mem_core->di_xid = INOXID_XID(1, uid, gid, xid); - memcpy(mem_core->di_pad, buf_core->di_pad, - sizeof(buf_core->di_pad)); - } else { -@@ -797,6 +813,10 @@ _xfs_dic2xflags( - flags |= XFS_XFLAG_PREALLOC; - if (di_flags & XFS_DIFLAG_IMMUTABLE) - flags |= XFS_XFLAG_IMMUTABLE; -+ if (di_flags & XFS_DIFLAG_IUNLINK) -+ flags |= XFS_XFLAG_IUNLINK; -+ if (di_flags & XFS_DIFLAG_BARRIER) -+ flags |= XFS_XFLAG_BARRIER; - if (di_flags & XFS_DIFLAG_APPEND) - flags |= XFS_XFLAG_APPEND; - if (di_flags & XFS_DIFLAG_SYNC) -@@ -1126,6 +1146,7 @@ xfs_ialloc( - ASSERT(ip->i_d.di_nlink == nlink); - ip->i_d.di_uid = current_fsuid(cr); - ip->i_d.di_gid = current_fsgid(cr); -+ ip->i_d.di_xid = current_fsxid(cr, vp); - ip->i_d.di_projid = prid; - memset(&(ip->i_d.di_pad[0]), 0, sizeof(ip->i_d.di_pad)); - -Index: linux-2.6.18/fs/xfs/xfs_itable.c -=================================================================== ---- linux-2.6.18.orig/fs/xfs/xfs_itable.c -+++ linux-2.6.18/fs/xfs/xfs_itable.c -@@ -78,6 +78,7 @@ xfs_bulkstat_one_iget( - buf->bs_mode = dic->di_mode; - buf->bs_uid = dic->di_uid; - buf->bs_gid = dic->di_gid; -+ buf->bs_xid = dic->di_xid; - buf->bs_size = dic->di_size; - vn_atime_to_bstime(vp, &buf->bs_atime); - buf->bs_mtime.tv_sec = dic->di_mtime.t_sec; -@@ -152,6 +153,7 @@ xfs_bulkstat_one_dinode( - buf->bs_mode = INT_GET(dic->di_mode, ARCH_CONVERT); - buf->bs_uid = INT_GET(dic->di_uid, ARCH_CONVERT); - buf->bs_gid = INT_GET(dic->di_gid, ARCH_CONVERT); -+ buf->bs_xid = INT_GET(dic->di_xid, ARCH_CONVERT); - buf->bs_size = INT_GET(dic->di_size, ARCH_CONVERT); - buf->bs_atime.tv_sec = INT_GET(dic->di_atime.t_sec, ARCH_CONVERT); - buf->bs_atime.tv_nsec = INT_GET(dic->di_atime.t_nsec, ARCH_CONVERT); -Index: linux-2.6.18/fs/xfs/xfs_mount.h -=================================================================== ---- linux-2.6.18.orig/fs/xfs/xfs_mount.h -+++ linux-2.6.18/fs/xfs/xfs_mount.h -@@ -460,6 +460,7 @@ typedef struct xfs_mount { - #define XFS_MOUNT_NO_PERCPU_SB (1ULL << 23) /* don't use per-cpu superblock - counters */ - -+#define XFS_MOUNT_TAGXID (1ULL << 31) /* context xid tagging */ - - /* - * Default minimum read and write sizes. -Index: linux-2.6.18/fs/xfs/xfs_vfsops.c -=================================================================== ---- linux-2.6.18.orig/fs/xfs/xfs_vfsops.c -+++ linux-2.6.18/fs/xfs/xfs_vfsops.c -@@ -300,6 +300,8 @@ xfs_start_flags( - - if (ap->flags2 & XFSMNT2_COMPAT_IOSIZE) - mp->m_flags |= XFS_MOUNT_COMPAT_IOSIZE; -+ if (ap->flags2 & XFSMNT2_TAGXID) -+ mp->m_flags |= XFS_MOUNT_TAGXID; - - /* - * no recovery flag requires a read-only mount -@@ -394,6 +396,8 @@ xfs_finish_flags( - return XFS_ERROR(EINVAL); - } - -+ if (ap->flags2 & XFSMNT2_TAGXID) -+ vfs->vfs_super->s_flags |= MS_TAGXID; - return 0; - } - -@@ -1645,6 +1649,7 @@ xfs_vget( - * in stat(). */ - #define MNTOPT_ATTR2 "attr2" /* do use attr2 attribute format */ - #define MNTOPT_NOATTR2 "noattr2" /* do not use attr2 attribute format */ -+#define MNTOPT_TAGXID "tagxid" /* context xid tagging for inodes */ - - STATIC unsigned long - suffix_strtoul(char *s, char **endp, unsigned int base) -@@ -1831,6 +1836,10 @@ xfs_parseargs( - args->flags |= XFSMNT_ATTR2; - } else if (!strcmp(this_char, MNTOPT_NOATTR2)) { - args->flags &= ~XFSMNT_ATTR2; -+#ifndef CONFIG_INOXID_NONE -+ } else if (!strcmp(this_char, MNTOPT_TAGXID)) { -+ args->flags2 |= XFSMNT2_TAGXID; -+#endif - } else if (!strcmp(this_char, "osyncisdsync")) { - /* no-op, this is now the default */ - cmn_err(CE_WARN, -Index: linux-2.6.18/fs/xfs/xfs_vnodeops.c -=================================================================== ---- linux-2.6.18.orig/fs/xfs/xfs_vnodeops.c -+++ linux-2.6.18/fs/xfs/xfs_vnodeops.c -@@ -160,6 +160,7 @@ xfs_getattr( - vap->va_mode = ip->i_d.di_mode; - vap->va_uid = ip->i_d.di_uid; - vap->va_gid = ip->i_d.di_gid; -+ vap->va_xid = ip->i_d.di_xid; - vap->va_projid = ip->i_d.di_projid; - - /* -@@ -260,6 +261,7 @@ xfs_setattr( - uint commit_flags=0; - uid_t uid=0, iuid=0; - gid_t gid=0, igid=0; -+ xid_t xid=0, ixid=0; - int timeflags = 0; - bhv_vnode_t *vp; - xfs_prid_t projid=0, iprojid=0; -@@ -316,6 +318,7 @@ xfs_setattr( - (mask & (XFS_AT_UID|XFS_AT_GID|XFS_AT_PROJID))) { - uint qflags = 0; - -+ /* FIXME: handle xid? */ - if ((mask & XFS_AT_UID) && XFS_IS_UQUOTA_ON(mp)) { - uid = vap->va_uid; - qflags |= XFS_QMOPT_UQUOTA; -@@ -395,6 +398,8 @@ xfs_setattr( - if (mask & - (XFS_AT_MODE|XFS_AT_XFLAGS|XFS_AT_EXTSIZE|XFS_AT_UID| - XFS_AT_GID|XFS_AT_PROJID)) { -+ /* FIXME: handle xid? */ -+ - /* - * CAP_FOWNER overrides the following restrictions: - * -@@ -443,7 +448,7 @@ xfs_setattr( - * and can change the group id only to a group of which he - * or she is a member. - */ -- if (mask & (XFS_AT_UID|XFS_AT_GID|XFS_AT_PROJID)) { -+ if (mask & (XFS_AT_UID|XFS_AT_GID|XFS_AT_XID|XFS_AT_PROJID)) { - /* - * These IDs could have changed since we last looked at them. - * But, we're assured that if the ownership did change -@@ -451,10 +456,12 @@ xfs_setattr( - * would have changed also. - */ - iuid = ip->i_d.di_uid; -- iprojid = ip->i_d.di_projid; - igid = ip->i_d.di_gid; -- gid = (mask & XFS_AT_GID) ? vap->va_gid : igid; -+ ixid = ip->i_d.di_xid; -+ iprojid = ip->i_d.di_projid; - uid = (mask & XFS_AT_UID) ? vap->va_uid : iuid; -+ gid = (mask & XFS_AT_GID) ? vap->va_gid : igid; -+ xid = (mask & XFS_AT_XID) ? vap->va_xid : ixid; - projid = (mask & XFS_AT_PROJID) ? (xfs_prid_t)vap->va_projid : - iprojid; - -@@ -482,6 +489,7 @@ xfs_setattr( - if ((XFS_IS_UQUOTA_ON(mp) && iuid != uid) || - (XFS_IS_PQUOTA_ON(mp) && iprojid != projid) || - (XFS_IS_GQUOTA_ON(mp) && igid != gid)) { -+ /* FIXME: handle xid? */ - ASSERT(tp); - code = XFS_QM_DQVOPCHOWNRESV(mp, tp, ip, udqp, gdqp, - capable(CAP_FOWNER) ? -@@ -707,7 +715,7 @@ xfs_setattr( - * and can change the group id only to a group of which he - * or she is a member. - */ -- if (mask & (XFS_AT_UID|XFS_AT_GID|XFS_AT_PROJID)) { -+ if (mask & (XFS_AT_UID|XFS_AT_GID|XFS_AT_XID|XFS_AT_PROJID)) { - /* - * CAP_FSETID overrides the following restrictions: - * -@@ -723,6 +731,12 @@ xfs_setattr( - * Change the ownerships and register quota modifications - * in the transaction. - */ -+ if (ixid != xid) { -+ if (XFS_IS_GQUOTA_ON(mp)) { -+ /* FIXME: handle xid quota? */ -+ } -+ ip->i_d.di_xid = xid; -+ } - if (iuid != uid) { - if (XFS_IS_UQUOTA_ON(mp)) { - ASSERT(mask & XFS_AT_UID); -@@ -803,6 +817,10 @@ xfs_setattr( - di_flags = (ip->i_d.di_flags & XFS_DIFLAG_PREALLOC); - if (vap->va_xflags & XFS_XFLAG_IMMUTABLE) - di_flags |= XFS_DIFLAG_IMMUTABLE; -+ if (vap->va_xflags & XFS_XFLAG_IUNLINK) -+ di_flags |= XFS_DIFLAG_IUNLINK; -+ if (vap->va_xflags & XFS_XFLAG_BARRIER) -+ di_flags |= XFS_DIFLAG_BARRIER; - if (vap->va_xflags & XFS_XFLAG_APPEND) - di_flags |= XFS_DIFLAG_APPEND; - if (vap->va_xflags & XFS_XFLAG_SYNC) -Index: linux-2.6.18/include/asm-arm/tlb.h -=================================================================== ---- linux-2.6.18.orig/include/asm-arm/tlb.h -+++ linux-2.6.18/include/asm-arm/tlb.h -@@ -28,6 +28,7 @@ - #else /* !CONFIG_MMU */ - - #include <asm/pgalloc.h> -+#include <linux/vs_memory.h> - - /* - * TLB handling. This allows us to remove pages from the page -Index: linux-2.6.18/include/asm-arm26/tlb.h -=================================================================== ---- linux-2.6.18.orig/include/asm-arm26/tlb.h -+++ linux-2.6.18/include/asm-arm26/tlb.h -@@ -3,6 +3,7 @@ - - #include <asm/pgalloc.h> - #include <asm/tlbflush.h> -+#include <linux/vs_memory.h> - - /* - * TLB handling. This allows us to remove pages from the page -Index: linux-2.6.18/include/asm-arm26/unistd.h -=================================================================== ---- linux-2.6.18.orig/include/asm-arm26/unistd.h -+++ linux-2.6.18/include/asm-arm26/unistd.h -@@ -302,6 +302,8 @@ - #define __NR_mq_getsetattr (__NR_SYSCALL_BASE+279) - #define __NR_waitid (__NR_SYSCALL_BASE+280) - -+#define __NR_vserver (__NR_SYSCALL_BASE+313) -+ - /* - * The following SWIs are ARM private. FIXME - make appropriate for arm26 - */ -Index: linux-2.6.18/include/asm-generic/tlb.h -=================================================================== ---- linux-2.6.18.orig/include/asm-generic/tlb.h -+++ linux-2.6.18/include/asm-generic/tlb.h -@@ -14,6 +14,7 @@ - #define _ASM_GENERIC__TLB_H - - #include <linux/swap.h> -+#include <linux/vs_memory.h> - #include <asm/pgalloc.h> - #include <asm/tlbflush.h> - -Index: linux-2.6.18/include/asm-i386/elf.h -=================================================================== ---- linux-2.6.18.orig/include/asm-i386/elf.h -+++ linux-2.6.18/include/asm-i386/elf.h -@@ -112,7 +112,7 @@ typedef struct user_fxsr_struct elf_fpxr - For the moment, we have only optimizations for the Intel generations, - but that could change... */ - --#define ELF_PLATFORM (system_utsname.machine) -+#define ELF_PLATFORM (vx_new_uts(machine)) - - #define SET_PERSONALITY(ex, ibcs2) do { } while (0) - -Index: linux-2.6.18/include/asm-ia64/tlb.h -=================================================================== ---- linux-2.6.18.orig/include/asm-ia64/tlb.h -+++ linux-2.6.18/include/asm-ia64/tlb.h -@@ -40,6 +40,7 @@ - #include <linux/mm.h> - #include <linux/pagemap.h> - #include <linux/swap.h> -+#include <linux/vs_memory.h> - - #include <asm/pgalloc.h> - #include <asm/processor.h> -Index: linux-2.6.18/include/asm-mips/irq.h -=================================================================== ---- linux-2.6.18.orig/include/asm-mips/irq.h -+++ linux-2.6.18/include/asm-mips/irq.h -@@ -10,6 +10,7 @@ - #define _ASM_IRQ_H - - #include <linux/linkage.h> -+#include <linux/vs_context.h> - - #include <asm/mipsmtregs.h> - -Index: linux-2.6.18/include/asm-powerpc/systbl.h -=================================================================== ---- linux-2.6.18.orig/include/asm-powerpc/systbl.h -+++ linux-2.6.18/include/asm-powerpc/systbl.h -@@ -260,7 +260,7 @@ COMPAT_SYS_SPU(fstatfs64) - SYSX(sys_ni_syscall, ppc_fadvise64_64, ppc_fadvise64_64) - PPC_SYS_SPU(rtas) - OLDSYS(debug_setcontext) --SYSCALL(ni_syscall) -+SYSX(sys_vserver, sys32_vserver, sys_vserver) - SYSCALL(ni_syscall) - COMPAT_SYS(mbind) - COMPAT_SYS(get_mempolicy) -Index: linux-2.6.18/include/asm-powerpc/unistd.h -=================================================================== ---- linux-2.6.18.orig/include/asm-powerpc/unistd.h -+++ linux-2.6.18/include/asm-powerpc/unistd.h -@@ -275,7 +275,7 @@ - #endif - #define __NR_rtas 255 - #define __NR_sys_debug_setcontext 256 --/* Number 257 is reserved for vserver */ -+#define __NR_vserver 257 - /* 258 currently unused */ - #define __NR_mbind 259 - #define __NR_get_mempolicy 260 -Index: linux-2.6.18/include/asm-s390/unistd.h -=================================================================== ---- linux-2.6.18.orig/include/asm-s390/unistd.h -+++ linux-2.6.18/include/asm-s390/unistd.h -@@ -255,7 +255,7 @@ - #define __NR_clock_gettime (__NR_timer_create+6) - #define __NR_clock_getres (__NR_timer_create+7) - #define __NR_clock_nanosleep (__NR_timer_create+8) --/* Number 263 is reserved for vserver */ -+#define __NR_vserver 263 - #define __NR_fadvise64_64 264 - #define __NR_statfs64 265 - #define __NR_fstatfs64 266 -Index: linux-2.6.18/include/asm-sparc/unistd.h -=================================================================== ---- linux-2.6.18.orig/include/asm-sparc/unistd.h -+++ linux-2.6.18/include/asm-sparc/unistd.h -@@ -283,7 +283,7 @@ - #define __NR_timer_getoverrun 264 - #define __NR_timer_delete 265 - #define __NR_timer_create 266 --/* #define __NR_vserver 267 Reserved for VSERVER */ -+#define __NR_vserver 267 - #define __NR_io_setup 268 - #define __NR_io_destroy 269 - #define __NR_io_submit 270 -Index: linux-2.6.18/include/asm-sparc64/tlb.h -=================================================================== ---- linux-2.6.18.orig/include/asm-sparc64/tlb.h -+++ linux-2.6.18/include/asm-sparc64/tlb.h -@@ -2,6 +2,7 @@ - #define _SPARC64_TLB_H - - #include <linux/swap.h> -+#include <linux/vs_memory.h> - #include <asm/pgalloc.h> - #include <asm/tlbflush.h> - #include <asm/mmu_context.h> -Index: linux-2.6.18/include/asm-sparc64/unistd.h -=================================================================== ---- linux-2.6.18.orig/include/asm-sparc64/unistd.h -+++ linux-2.6.18/include/asm-sparc64/unistd.h -@@ -285,7 +285,7 @@ - #define __NR_timer_getoverrun 264 - #define __NR_timer_delete 265 - #define __NR_timer_create 266 --/* #define __NR_vserver 267 Reserved for VSERVER */ -+#define __NR_vserver 267 - #define __NR_io_setup 268 - #define __NR_io_destroy 269 - #define __NR_io_submit 270 -Index: linux-2.6.18/include/asm-x86_64/unistd.h -=================================================================== ---- linux-2.6.18.orig/include/asm-x86_64/unistd.h -+++ linux-2.6.18/include/asm-x86_64/unistd.h -@@ -532,7 +532,7 @@ __SYSCALL(__NR_tgkill, sys_tgkill) - #define __NR_utimes 235 - __SYSCALL(__NR_utimes, sys_utimes) - #define __NR_vserver 236 --__SYSCALL(__NR_vserver, sys_ni_syscall) -+__SYSCALL(__NR_vserver, sys_vserver) - #define __NR_mbind 237 - __SYSCALL(__NR_mbind, sys_mbind) - #define __NR_set_mempolicy 238 -Index: linux-2.6.18/include/linux/capability.h -=================================================================== ---- linux-2.6.18.orig/include/linux/capability.h -+++ linux-2.6.18/include/linux/capability.h -@@ -235,6 +235,7 @@ typedef __u32 kernel_cap_t; - arbitrary SCSI commands */ - /* Allow setting encryption key on loopback filesystem */ - /* Allow setting zone reclaim policy */ -+/* Allow the selection of a security context */ - - #define CAP_SYS_ADMIN 21 - -@@ -288,6 +289,11 @@ typedef __u32 kernel_cap_t; - - #define CAP_AUDIT_CONTROL 30 - -+/* Allow context manipulations */ -+/* Allow changing context info on files */ -+ -+#define CAP_CONTEXT 31 -+ - #ifdef __KERNEL__ - /* - * Bounding set -Index: linux-2.6.18/include/linux/devpts_fs.h -=================================================================== ---- linux-2.6.18.orig/include/linux/devpts_fs.h -+++ linux-2.6.18/include/linux/devpts_fs.h -@@ -30,5 +30,7 @@ static inline void devpts_pty_kill(int n - - #endif - -+#define DEVPTS_SUPER_MAGIC 0x00001cd1 -+ - - #endif /* _LINUX_DEVPTS_FS_H */ -Index: linux-2.6.18/include/linux/ext2_fs.h -=================================================================== ---- linux-2.6.18.orig/include/linux/ext2_fs.h -+++ linux-2.6.18/include/linux/ext2_fs.h -@@ -192,10 +192,17 @@ struct ext2_group_desc - #define EXT2_NOTAIL_FL 0x00008000 /* file tail should not be merged */ - #define EXT2_DIRSYNC_FL 0x00010000 /* dirsync behaviour (directories only) */ - #define EXT2_TOPDIR_FL 0x00020000 /* Top of directory hierarchies*/ -+#define EXT2_BARRIER_FL 0x04000000 /* Barrier for chroot() */ -+#define EXT2_IUNLINK_FL 0x08000000 /* Immutable unlink */ - #define EXT2_RESERVED_FL 0x80000000 /* reserved for ext2 lib */ - -+#ifdef CONFIG_VSERVER_LEGACY -+#define EXT2_FL_USER_VISIBLE 0x0803DFFF /* User visible flags */ -+#define EXT2_FL_USER_MODIFIABLE 0x080380FF /* User modifiable flags */ -+#else - #define EXT2_FL_USER_VISIBLE 0x0003DFFF /* User visible flags */ - #define EXT2_FL_USER_MODIFIABLE 0x000380FF /* User modifiable flags */ -+#endif - - /* - * ioctl commands -@@ -240,7 +247,7 @@ struct ext2_inode { - struct { - __u8 l_i_frag; /* Fragment number */ - __u8 l_i_fsize; /* Fragment size */ -- __u16 i_pad1; -+ __u16 l_i_xid; /* LRU Context */ - __le16 l_i_uid_high; /* these 2 fields */ - __le16 l_i_gid_high; /* were reserved2[0] */ - __u32 l_i_reserved2; -@@ -272,6 +279,7 @@ struct ext2_inode { - #define i_gid_low i_gid - #define i_uid_high osd2.linux2.l_i_uid_high - #define i_gid_high osd2.linux2.l_i_gid_high -+#define i_raw_xid osd2.linux2.l_i_xid - #define i_reserved2 osd2.linux2.l_i_reserved2 - #endif - -@@ -313,8 +321,9 @@ struct ext2_inode { - #define EXT2_MOUNT_XATTR_USER 0x004000 /* Extended user attributes */ - #define EXT2_MOUNT_POSIX_ACL 0x008000 /* POSIX Access Control Lists */ - #define EXT2_MOUNT_XIP 0x010000 /* Execute in place */ --#define EXT2_MOUNT_USRQUOTA 0x020000 /* user quota */ --#define EXT2_MOUNT_GRPQUOTA 0x040000 /* group quota */ -+#define EXT2_MOUNT_USRQUOTA 0x020000 /* user quota */ -+#define EXT2_MOUNT_GRPQUOTA 0x040000 /* group quota */ -+#define EXT2_MOUNT_TAGXID (1<<24) /* Enable Context Tags */ - - - #define clear_opt(o, opt) o &= ~EXT2_MOUNT_##opt -Index: linux-2.6.18/include/linux/ext3_fs.h -=================================================================== ---- linux-2.6.18.orig/include/linux/ext3_fs.h -+++ linux-2.6.18/include/linux/ext3_fs.h -@@ -181,10 +181,20 @@ struct ext3_group_desc - #define EXT3_NOTAIL_FL 0x00008000 /* file tail should not be merged */ - #define EXT3_DIRSYNC_FL 0x00010000 /* dirsync behaviour (directories only) */ - #define EXT3_TOPDIR_FL 0x00020000 /* Top of directory hierarchies*/ -+#define EXT3_BARRIER_FL 0x04000000 /* Barrier for chroot() */ -+#define EXT3_IUNLINK_FL 0x08000000 /* Immutable unlink */ - #define EXT3_RESERVED_FL 0x80000000 /* reserved for ext3 lib */ - -+#ifdef CONFIG_VSERVER_LEGACY -+#define EXT3_FL_USER_VISIBLE 0x0803DFFF /* User visible flags */ -+#define EXT3_FL_USER_MODIFIABLE 0x080380FF /* User modifiable flags */ -+#else - #define EXT3_FL_USER_VISIBLE 0x0003DFFF /* User visible flags */ - #define EXT3_FL_USER_MODIFIABLE 0x000380FF /* User modifiable flags */ -+#endif -+#ifdef CONFIG_VSERVER_LEGACY -+#define EXT3_IOC_SETXID FIOC_SETXIDJ -+#endif - - /* - * Inode dynamic state flags -@@ -283,7 +293,7 @@ struct ext3_inode { - struct { - __u8 l_i_frag; /* Fragment number */ - __u8 l_i_fsize; /* Fragment size */ -- __u16 i_pad1; -+ __u16 l_i_xid; /* LRU Context */ - __le16 l_i_uid_high; /* these 2 fields */ - __le16 l_i_gid_high; /* were reserved2[0] */ - __u32 l_i_reserved2; -@@ -317,6 +327,7 @@ struct ext3_inode { - #define i_gid_low i_gid - #define i_uid_high osd2.linux2.l_i_uid_high - #define i_gid_high osd2.linux2.l_i_gid_high -+#define i_raw_xid osd2.linux2.l_i_xid - #define i_reserved2 osd2.linux2.l_i_reserved2 - - #elif defined(__GNU__) -@@ -371,6 +382,7 @@ struct ext3_inode { - #define EXT3_MOUNT_QUOTA 0x80000 /* Some quota option set */ - #define EXT3_MOUNT_USRQUOTA 0x100000 /* "old" user quota */ - #define EXT3_MOUNT_GRPQUOTA 0x200000 /* "old" group quota */ -+#define EXT3_MOUNT_TAGXID (1<<24) /* Enable Context Tags */ - - /* Compatibility, for having both ext2_fs.h and ext3_fs.h included at once */ - #ifndef _LINUX_EXT2_FS_H -@@ -799,6 +811,7 @@ struct buffer_head * ext3_bread (handle_ - int ext3_get_blocks_handle(handle_t *handle, struct inode *inode, - sector_t iblock, unsigned long maxblocks, struct buffer_head *bh_result, - int create, int extend_disksize); -+extern int ext3_sync_flags(struct inode *inode); - - extern void ext3_read_inode (struct inode *); - extern int ext3_write_inode (struct inode *, int); -Index: linux-2.6.18/include/linux/fs.h -=================================================================== ---- linux-2.6.18.orig/include/linux/fs.h -+++ linux-2.6.18/include/linux/fs.h -@@ -119,6 +119,8 @@ extern int dir_notify_enable; - #define MS_PRIVATE (1<<18) /* change to private */ - #define MS_SLAVE (1<<19) /* change to slave */ - #define MS_SHARED (1<<20) /* change to shared */ -+#define MS_TAGXID (1<<24) /* tag inodes with context information */ -+#define MS_XID (1<<25) /* use specific xid for this mount */ - #define MS_ACTIVE (1<<30) - #define MS_NOUSER (1<<31) - -@@ -145,6 +147,8 @@ extern int dir_notify_enable; - #define S_NOCMTIME 128 /* Do not update file c/mtime */ - #define S_SWAPFILE 256 /* Do not truncate: swapon got its bmaps */ - #define S_PRIVATE 512 /* Inode is fs-internal */ -+#define S_BARRIER 1024 /* Barrier for chroot() */ -+#define S_IUNLINK 2048 /* Immutable unlink */ - - /* - * Note that nosuid etc flags are inode-specific: setting some file-system -@@ -161,18 +165,22 @@ extern int dir_notify_enable; - */ - #define __IS_FLG(inode,flg) ((inode)->i_sb->s_flags & (flg)) - --#define IS_RDONLY(inode) ((inode)->i_sb->s_flags & MS_RDONLY) -+#define IS_RDONLY(inode) __IS_FLG(inode, MS_RDONLY) - #define IS_SYNC(inode) (__IS_FLG(inode, MS_SYNCHRONOUS) || \ - ((inode)->i_flags & S_SYNC)) - #define IS_DIRSYNC(inode) (__IS_FLG(inode, MS_SYNCHRONOUS|MS_DIRSYNC) || \ - ((inode)->i_flags & (S_SYNC|S_DIRSYNC))) - #define IS_MANDLOCK(inode) __IS_FLG(inode, MS_MANDLOCK) -+#define IS_TAGXID(inode) __IS_FLG(inode, MS_TAGXID) - - #define IS_NOQUOTA(inode) ((inode)->i_flags & S_NOQUOTA) - #define IS_APPEND(inode) ((inode)->i_flags & S_APPEND) - #define IS_IMMUTABLE(inode) ((inode)->i_flags & S_IMMUTABLE) -+#define IS_IUNLINK(inode) ((inode)->i_flags & S_IUNLINK) -+#define IS_IXORUNLINK(inode) ((IS_IUNLINK(inode) ? S_IMMUTABLE : 0) ^ IS_IMMUTABLE(inode)) - #define IS_POSIXACL(inode) __IS_FLG(inode, MS_POSIXACL) - -+#define IS_BARRIER(inode) (S_ISDIR((inode)->i_mode) && ((inode)->i_flags & S_BARRIER)) - #define IS_DEADDIR(inode) ((inode)->i_flags & S_DEAD) - #define IS_NOCMTIME(inode) ((inode)->i_flags & S_NOCMTIME) - #define IS_SWAPFILE(inode) ((inode)->i_flags & S_SWAPFILE) -@@ -280,6 +288,7 @@ typedef void (dio_iodone_t)(struct kiocb - #define ATTR_KILL_SUID 2048 - #define ATTR_KILL_SGID 4096 - #define ATTR_FILE 8192 -+#define ATTR_XID 16384 - - /* - * This is the Inode Attributes structure, used for notify_change(). It -@@ -295,6 +304,7 @@ struct iattr { - umode_t ia_mode; - uid_t ia_uid; - gid_t ia_gid; -+ xid_t ia_xid; - loff_t ia_size; - struct timespec ia_atime; - struct timespec ia_mtime; -@@ -308,6 +318,9 @@ struct iattr { - struct file *ia_file; - }; - -+#define ATTR_FLAG_BARRIER 512 /* Barrier for chroot() */ -+#define ATTR_FLAG_IUNLINK 1024 /* Immutable unlink */ -+ - /* - * Includes for diskquotas. - */ -@@ -505,6 +518,7 @@ struct inode { - unsigned int i_nlink; - uid_t i_uid; - gid_t i_gid; -+ xid_t i_xid; - dev_t i_rdev; - loff_t i_size; - struct timespec i_atime; -@@ -687,6 +701,7 @@ struct file { - struct fown_struct f_owner; - unsigned int f_uid, f_gid; - struct file_ra_state f_ra; -+ xid_t f_xid; - - unsigned long f_version; - void *f_security; -@@ -767,6 +782,7 @@ struct file_lock { - unsigned char fl_type; - loff_t fl_start; - loff_t fl_end; -+ xid_t fl_xid; - - struct fasync_struct * fl_fasync; /* for lease break notifications */ - unsigned long fl_break_time; /* for nonblocking lease breaks */ -@@ -959,12 +975,12 @@ static inline void unlock_super(struct s - */ - extern int vfs_permission(struct nameidata *, int); - extern int vfs_create(struct inode *, struct dentry *, int, struct nameidata *); --extern int vfs_mkdir(struct inode *, struct dentry *, int); --extern int vfs_mknod(struct inode *, struct dentry *, int, dev_t); --extern int vfs_symlink(struct inode *, struct dentry *, const char *, int); --extern int vfs_link(struct dentry *, struct inode *, struct dentry *); --extern int vfs_rmdir(struct inode *, struct dentry *); --extern int vfs_unlink(struct inode *, struct dentry *); -+extern int vfs_mkdir(struct inode *, struct dentry *, int, struct nameidata *); -+extern int vfs_mknod(struct inode *, struct dentry *, int, dev_t, struct nameidata *); -+extern int vfs_symlink(struct inode *, struct dentry *, const char *, int, struct nameidata *); -+extern int vfs_link(struct dentry *, struct inode *, struct dentry *, struct nameidata *); -+extern int vfs_rmdir(struct inode *, struct dentry *, struct nameidata *); -+extern int vfs_unlink(struct inode *, struct dentry *, struct nameidata *); - extern int vfs_rename(struct inode *, struct dentry *, struct inode *, struct dentry *); - - /* -@@ -1106,6 +1122,7 @@ struct inode_operations { - ssize_t (*listxattr) (struct dentry *, char *, size_t); - int (*removexattr) (struct dentry *, const char *); - void (*truncate_range)(struct inode *, loff_t, loff_t); -+ int (*sync_flags) (struct inode *); - }; - - struct seq_file; -@@ -1790,6 +1807,7 @@ extern int dcache_dir_open(struct inode - extern int dcache_dir_close(struct inode *, struct file *); - extern loff_t dcache_dir_lseek(struct file *, loff_t, int); - extern int dcache_readdir(struct file *, void *, filldir_t); -+extern int dcache_readdir_filter(struct file *, void *, filldir_t, int (*)(struct dentry *)); - extern int simple_getattr(struct vfsmount *, struct dentry *, struct kstat *); - extern int simple_statfs(struct dentry *, struct kstatfs *); - extern int simple_link(struct dentry *, struct inode *, struct dentry *); -Index: linux-2.6.18/include/linux/init_task.h -=================================================================== ---- linux-2.6.18.orig/include/linux/init_task.h -+++ linux-2.6.18/include/linux/init_task.h -@@ -128,6 +128,10 @@ extern struct group_info init_groups; - .pi_lock = SPIN_LOCK_UNLOCKED, \ - INIT_TRACE_IRQFLAGS \ - INIT_LOCKDEP \ -+ .xid = 0, \ -+ .vx_info = NULL, \ -+ .nid = 0, \ -+ .nx_info = NULL, \ - } - - -Index: linux-2.6.18/include/linux/ipc.h -=================================================================== ---- linux-2.6.18.orig/include/linux/ipc.h -+++ linux-2.6.18/include/linux/ipc.h -@@ -66,6 +66,7 @@ struct kern_ipc_perm - mode_t mode; - unsigned long seq; - void *security; -+ xid_t xid; - }; - - #endif /* __KERNEL__ */ -Index: linux-2.6.18/include/linux/kernel.h -=================================================================== ---- linux-2.6.18.orig/include/linux/kernel.h -+++ linux-2.6.18/include/linux/kernel.h -@@ -17,6 +17,7 @@ - #include <asm/bug.h> - - extern const char linux_banner[]; -+extern const char vx_linux_banner[]; - - #define INT_MAX ((int)(~0U>>1)) - #define INT_MIN (-INT_MAX - 1) -Index: linux-2.6.18/include/linux/major.h -=================================================================== ---- linux-2.6.18.orig/include/linux/major.h -+++ linux-2.6.18/include/linux/major.h -@@ -15,6 +15,7 @@ - #define HD_MAJOR IDE0_MAJOR - #define PTY_SLAVE_MAJOR 3 - #define TTY_MAJOR 4 -+#define VROOT_MAJOR 4 - #define TTYAUX_MAJOR 5 - #define LP_MAJOR 6 - #define VCS_MAJOR 7 -Index: linux-2.6.18/include/linux/mount.h -=================================================================== ---- linux-2.6.18.orig/include/linux/mount.h -+++ linux-2.6.18/include/linux/mount.h -@@ -27,12 +27,16 @@ struct namespace; - #define MNT_NOEXEC 0x04 - #define MNT_NOATIME 0x08 - #define MNT_NODIRATIME 0x10 -+#define MNT_RDONLY 0x20 -+ -+#define MNT_IS_RDONLY(m) ((m) && ((m)->mnt_flags & MNT_RDONLY)) - - #define MNT_SHRINKABLE 0x100 - - #define MNT_SHARED 0x1000 /* if the vfsmount is a shared mount */ - #define MNT_UNBINDABLE 0x2000 /* if the vfsmount is a unbindable mount */ - #define MNT_PNODE_MASK 0x3000 /* propogation flag mask */ -+#define MNT_XID 0x8000 - - struct vfsmount { - struct list_head mnt_hash; -@@ -54,6 +58,7 @@ struct vfsmount { - struct vfsmount *mnt_master; /* slave is on master->mnt_slave_list */ - struct namespace *mnt_namespace; /* containing namespace */ - int mnt_pinned; -+ xid_t mnt_xid; /* xid tagging used for vfsmount */ - }; - - static inline struct vfsmount *mntget(struct vfsmount *mnt) -Index: linux-2.6.18/include/linux/net.h -=================================================================== ---- linux-2.6.18.orig/include/linux/net.h -+++ linux-2.6.18/include/linux/net.h -@@ -62,6 +62,7 @@ typedef enum { - #define SOCK_NOSPACE 2 - #define SOCK_PASSCRED 3 - #define SOCK_PASSSEC 4 -+#define SOCK_USER_SOCKET 5 - - #ifndef ARCH_HAS_SOCKET_TYPES - /** -Index: linux-2.6.18/include/linux/nfs_mount.h -=================================================================== ---- linux-2.6.18.orig/include/linux/nfs_mount.h -+++ linux-2.6.18/include/linux/nfs_mount.h -@@ -61,6 +61,7 @@ struct nfs_mount_data { - #define NFS_MOUNT_NOACL 0x0800 /* 4 */ - #define NFS_MOUNT_STRICTLOCK 0x1000 /* reserved for NFSv4 */ - #define NFS_MOUNT_SECFLAVOUR 0x2000 /* 5 */ -+#define NFS_MOUNT_TAGXID 0x8000 /* tagxid */ - #define NFS_MOUNT_FLAGMASK 0xFFFF - - #endif -Index: linux-2.6.18/include/linux/percpu.h -=================================================================== ---- linux-2.6.18.orig/include/linux/percpu.h -+++ linux-2.6.18/include/linux/percpu.h -@@ -8,7 +8,7 @@ - - /* Enough to cover all DEFINE_PER_CPUs in kernel, including modules. */ - #ifndef PERCPU_ENOUGH_ROOM --#define PERCPU_ENOUGH_ROOM 32768 -+#define PERCPU_ENOUGH_ROOM 65536 - #endif - - /* Must be an lvalue. */ -Index: linux-2.6.18/include/linux/pid.h -=================================================================== ---- linux-2.6.18.orig/include/linux/pid.h -+++ linux-2.6.18/include/linux/pid.h -@@ -8,7 +8,8 @@ enum pid_type - PIDTYPE_PID, - PIDTYPE_PGID, - PIDTYPE_SID, -- PIDTYPE_MAX -+ PIDTYPE_MAX, -+ PIDTYPE_REALPID - }; - - /* -Index: linux-2.6.18/include/linux/proc_fs.h -=================================================================== ---- linux-2.6.18.orig/include/linux/proc_fs.h -+++ linux-2.6.18/include/linux/proc_fs.h -@@ -55,6 +55,7 @@ struct proc_dir_entry { - nlink_t nlink; - uid_t uid; - gid_t gid; -+ int vx_flags; - loff_t size; - struct inode_operations * proc_iops; - const struct file_operations * proc_fops; -@@ -247,10 +248,12 @@ extern void kclist_add(struct kcore_list - - struct proc_inode { - struct pid *pid; -+ int vx_flags; - int fd; - union { - int (*proc_get_link)(struct inode *, struct dentry **, struct vfsmount **); - int (*proc_read)(struct task_struct *task, char *page); -+ int (*proc_vid_read)(int vid, char *page); - } op; - struct proc_dir_entry *pde; - struct inode vfs_inode; -Index: linux-2.6.18/include/linux/reiserfs_fs.h -=================================================================== ---- linux-2.6.18.orig/include/linux/reiserfs_fs.h -+++ linux-2.6.18/include/linux/reiserfs_fs.h -@@ -829,6 +829,18 @@ struct stat_data_v1 { - #define REISERFS_COMPR_FL EXT2_COMPR_FL - #define REISERFS_NOTAIL_FL EXT2_NOTAIL_FL - -+/* unfortunately reiserfs sdattr is only 16 bit */ -+#define REISERFS_BARRIER_FL (EXT2_BARRIER_FL >> 16) -+#define REISERFS_IUNLINK_FL (EXT2_IUNLINK_FL >> 16) -+ -+#ifdef CONFIG_VSERVER_LEGACY -+#define REISERFS_FL_USER_VISIBLE (REISERFS_IUNLINK_FL|0x80FF) -+#define REISERFS_FL_USER_MODIFIABLE (REISERFS_IUNLINK_FL|0x80FF) -+#else -+#define REISERFS_FL_USER_VISIBLE 0x80FF -+#define REISERFS_FL_USER_MODIFIABLE 0x80FF -+#endif -+ - /* persistent flags that file inherits from the parent directory */ - #define REISERFS_INHERIT_MASK ( REISERFS_IMMUTABLE_FL | \ - REISERFS_SYNC_FL | \ -@@ -1909,6 +1921,7 @@ static inline void reiserfs_update_sd(st - void sd_attrs_to_i_attrs(__u16 sd_attrs, struct inode *inode); - void i_attrs_to_sd_attrs(struct inode *inode, __u16 * sd_attrs); - int reiserfs_setattr(struct dentry *dentry, struct iattr *attr); -+int reiserfs_sync_flags(struct inode *inode); - - /* namei.c */ - void set_de_name_and_namelen(struct reiserfs_dir_entry *de); -Index: linux-2.6.18/include/linux/reiserfs_fs_sb.h -=================================================================== ---- linux-2.6.18.orig/include/linux/reiserfs_fs_sb.h -+++ linux-2.6.18/include/linux/reiserfs_fs_sb.h -@@ -456,6 +456,7 @@ enum reiserfs_mount_options { - REISERFS_POSIXACL, - REISERFS_BARRIER_NONE, - REISERFS_BARRIER_FLUSH, -+ REISERFS_TAGXID, - - /* Actions on error */ - REISERFS_ERROR_PANIC, -Index: linux-2.6.18/include/linux/sched.h -=================================================================== ---- linux-2.6.18.orig/include/linux/sched.h -+++ linux-2.6.18/include/linux/sched.h -@@ -52,6 +52,7 @@ struct sched_param { - #include <linux/cpumask.h> - #include <linux/errno.h> - #include <linux/nodemask.h> -+#include <linux/vs_base.h> - - #include <asm/system.h> - #include <asm/semaphore.h> -@@ -148,6 +149,7 @@ extern unsigned long weighted_cpuload(co - #define EXIT_DEAD 32 - /* in tsk->state again */ - #define TASK_NONINTERACTIVE 64 -+#define TASK_ONHOLD 128 - - #define __set_task_state(tsk, state_value) \ - do { (tsk)->state = (state_value); } while (0) -@@ -262,27 +264,30 @@ extern void arch_unmap_area_topdown(stru - * The mm counters are not protected by its page_table_lock, - * so must be incremented atomically. - */ --#define set_mm_counter(mm, member, value) atomic_long_set(&(mm)->_##member, value) --#define get_mm_counter(mm, member) ((unsigned long)atomic_long_read(&(mm)->_##member)) --#define add_mm_counter(mm, member, value) atomic_long_add(value, &(mm)->_##member) --#define inc_mm_counter(mm, member) atomic_long_inc(&(mm)->_##member) --#define dec_mm_counter(mm, member) atomic_long_dec(&(mm)->_##member) - typedef atomic_long_t mm_counter_t; -+#define __set_mm_counter(mm, member, value) \ -+ atomic_long_set(&(mm)->_##member, value) -+#define get_mm_counter(mm, member) \ -+ ((unsigned long)atomic_long_read(&(mm)->_##member)) - - #else /* NR_CPUS < CONFIG_SPLIT_PTLOCK_CPUS */ - /* - * The mm counters are protected by its page_table_lock, - * so can be incremented directly. - */ --#define set_mm_counter(mm, member, value) (mm)->_##member = (value) --#define get_mm_counter(mm, member) ((mm)->_##member) --#define add_mm_counter(mm, member, value) (mm)->_##member += (value) --#define inc_mm_counter(mm, member) (mm)->_##member++ --#define dec_mm_counter(mm, member) (mm)->_##member-- - typedef unsigned long mm_counter_t; -+#define __set_mm_counter(mm, member, value) (mm)->_##member = (value) -+#define get_mm_counter(mm, member) ((mm)->_##member) - - #endif /* NR_CPUS < CONFIG_SPLIT_PTLOCK_CPUS */ - -+#define set_mm_counter(mm, member, value) \ -+ vx_ ## member ## pages_sub((mm), (get_mm_counter(mm, member) - value)) -+#define add_mm_counter(mm, member, value) \ -+ vx_ ## member ## pages_add((mm), (value)) -+#define inc_mm_counter(mm, member) vx_ ## member ## pages_inc((mm)) -+#define dec_mm_counter(mm, member) vx_ ## member ## pages_dec((mm)) -+ - #define get_mm_rss(mm) \ - (get_mm_counter(mm, file_rss) + get_mm_counter(mm, anon_rss)) - #define update_hiwater_rss(mm) do { \ -@@ -341,6 +346,7 @@ struct mm_struct { - - /* Architecture-specific MM context */ - mm_context_t context; -+ struct vx_info *mm_vx_info; - - /* Token based thrashing protection. */ - unsigned long swap_token_time; -@@ -531,9 +537,10 @@ struct user_struct { - /* Hash table maintenance information */ - struct list_head uidhash_list; - uid_t uid; -+ xid_t xid; - }; - --extern struct user_struct *find_user(uid_t); -+extern struct user_struct *find_user(xid_t, uid_t); - - extern struct user_struct root_user; - #define INIT_USER (&root_user) -@@ -898,6 +905,14 @@ struct task_struct { - - void *security; - struct audit_context *audit_context; -+ -+/* vserver context data */ -+ struct vx_info *vx_info; -+ struct nx_info *nx_info; -+ -+ xid_t xid; -+ nid_t nid; -+ - seccomp_t seccomp; - - /* Thread group tracking */ -@@ -1162,13 +1177,18 @@ extern struct task_struct init_task; - - extern struct mm_struct init_mm; - --#define find_task_by_pid(nr) find_task_by_pid_type(PIDTYPE_PID, nr) -+ -+#define find_task_by_real_pid(nr) \ -+ find_task_by_pid_type(PIDTYPE_REALPID, nr) -+#define find_task_by_pid(nr) \ -+ find_task_by_pid_type(PIDTYPE_PID, nr) -+ - extern struct task_struct *find_task_by_pid_type(int type, int pid); - extern void set_special_pids(pid_t session, pid_t pgrp); - extern void __set_special_pids(pid_t session, pid_t pgrp); - - /* per-UID process charging. */ --extern struct user_struct * alloc_uid(uid_t); -+extern struct user_struct * alloc_uid(xid_t, uid_t); - static inline struct user_struct *get_uid(struct user_struct *u) - { - atomic_inc(&u->__count); -Index: linux-2.6.18/include/linux/shmem_fs.h -=================================================================== ---- linux-2.6.18.orig/include/linux/shmem_fs.h -+++ linux-2.6.18/include/linux/shmem_fs.h -@@ -8,6 +8,9 @@ - - #define SHMEM_NR_DIRECT 16 - -+#define TMPFS_SUPER_MAGIC 0x01021994 -+ -+ - struct shmem_inode_info { - spinlock_t lock; - unsigned long flags; -Index: linux-2.6.18/include/linux/stat.h -=================================================================== ---- linux-2.6.18.orig/include/linux/stat.h -+++ linux-2.6.18/include/linux/stat.h -@@ -63,6 +63,7 @@ struct kstat { - unsigned int nlink; - uid_t uid; - gid_t gid; -+ xid_t xid; - dev_t rdev; - loff_t size; - struct timespec atime; -Index: linux-2.6.18/include/linux/sunrpc/auth.h -=================================================================== ---- linux-2.6.18.orig/include/linux/sunrpc/auth.h -+++ linux-2.6.18/include/linux/sunrpc/auth.h -@@ -27,6 +27,7 @@ - struct auth_cred { - uid_t uid; - gid_t gid; -+ xid_t xid; - struct group_info *group_info; - }; - -Index: linux-2.6.18/include/linux/sunrpc/clnt.h -=================================================================== ---- linux-2.6.18.orig/include/linux/sunrpc/clnt.h -+++ linux-2.6.18/include/linux/sunrpc/clnt.h -@@ -52,7 +52,8 @@ struct rpc_clnt { - cl_intr : 1,/* interruptible */ - cl_autobind : 1,/* use getport() */ - cl_oneshot : 1,/* dispose after use */ -- cl_dead : 1;/* abandoned */ -+ cl_dead : 1,/* abandoned */ -+ cl_tagxid : 1;/* do xid tagging */ - - struct rpc_rtt * cl_rtt; /* RTO estimator data */ - struct rpc_portmap * cl_pmap; /* port mapping */ -Index: linux-2.6.18/include/linux/sysctl.h -=================================================================== ---- linux-2.6.18.orig/include/linux/sysctl.h -+++ linux-2.6.18/include/linux/sysctl.h -@@ -93,6 +93,7 @@ enum - KERN_CAP_BSET=14, /* int: capability bounding set */ - KERN_PANIC=15, /* int: panic timeout */ - KERN_REALROOTDEV=16, /* real root device to mount after initrd */ -+ KERN_VSHELPER=17, /* string: path to vshelper policy agent */ - - KERN_SPARC_REBOOT=21, /* reboot command on Sparc */ - KERN_CTLALTDEL=22, /* int: allow ctl-alt-del to reboot */ -@@ -932,6 +933,9 @@ typedef int ctl_handler (ctl_table *tabl - typedef int proc_handler (ctl_table *ctl, int write, struct file * filp, - void __user *buffer, size_t *lenp, loff_t *ppos); - -+typedef int virt_handler (struct ctl_table *ctl, int write, xid_t xid, -+ void **datap, size_t *lenp); -+ - extern int proc_dostring(ctl_table *, int, struct file *, - void __user *, size_t *, loff_t *); - extern int proc_dointvec(ctl_table *, int, struct file *, -@@ -1013,6 +1017,7 @@ struct ctl_table - mode_t mode; - ctl_table *child; - proc_handler *proc_handler; /* Callback for text formatting */ -+ virt_handler *virt_handler; /* Context virtualization */ - ctl_handler *strategy; /* Callback function for all r/w */ - struct proc_dir_entry *de; /* /proc control block */ - void *extra1; -Index: linux-2.6.18/include/linux/sysfs.h -=================================================================== ---- linux-2.6.18.orig/include/linux/sysfs.h -+++ linux-2.6.18/include/linux/sysfs.h -@@ -12,6 +12,8 @@ - - #include <asm/atomic.h> - -+#define SYSFS_SUPER_MAGIC 0x62656572 -+ - struct kobject; - struct module; - -Index: linux-2.6.18/include/linux/types.h -=================================================================== ---- linux-2.6.18.orig/include/linux/types.h -+++ linux-2.6.18/include/linux/types.h -@@ -37,6 +37,8 @@ typedef __kernel_uid32_t uid_t; - typedef __kernel_gid32_t gid_t; - typedef __kernel_uid16_t uid16_t; - typedef __kernel_gid16_t gid16_t; -+typedef unsigned int xid_t; -+typedef unsigned int nid_t; - - #ifdef CONFIG_UID16 - /* This is defined by include/asm-{arch}/posix_types.h */ -Index: linux-2.6.18/include/linux/vroot.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/include/linux/vroot.h -@@ -0,0 +1,51 @@ -+ -+/* -+ * include/linux/vroot.h -+ * -+ * written by Herbert Pötzl, 9/11/2002 -+ * ported to 2.6 by Herbert Pötzl, 30/12/2004 -+ * -+ * Copyright (C) 2002-2005 by Herbert Pötzl. -+ * Redistribution of this file is permitted under the -+ * GNU General Public License. -+ */ -+ -+#ifndef _LINUX_VROOT_H -+#define _LINUX_VROOT_H -+ -+ -+#ifdef __KERNEL__ -+ -+/* Possible states of device */ -+enum { -+ Vr_unbound, -+ Vr_bound, -+}; -+ -+struct vroot_device { -+ int vr_number; -+ int vr_refcnt; -+ -+ struct semaphore vr_ctl_mutex; -+ struct block_device *vr_device; -+ int vr_state; -+}; -+ -+ -+typedef struct block_device *(vroot_grb_func)(struct block_device *); -+ -+extern int register_vroot_grb(vroot_grb_func *); -+extern int unregister_vroot_grb(vroot_grb_func *); -+ -+#endif /* __KERNEL__ */ -+ -+#define MAX_VROOT_DEFAULT 8 -+ -+/* -+ * IOCTL commands --- we will commandeer 0x56 ('V') -+ */ -+ -+#define VROOT_SET_DEV 0x5600 -+#define VROOT_CLR_DEV 0x5601 -+ -+#endif /* _LINUX_VROOT_H */ -Index: linux-2.6.18/include/linux/vs_base.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/include/linux/vs_base.h -@@ -0,0 +1,109 @@ -+#ifndef _VX_VS_BASE_H -+#define _VX_VS_BASE_H -+ -+#include "vserver/context.h" -+ -+ -+#define vx_task_xid(t) ((t)->xid) -+ -+#define vx_current_xid() vx_task_xid(current) -+ -+#define current_vx_info() (current->vx_info) -+ -+ -+#define vx_check(c,m) __vx_check(vx_current_xid(),c,m) -+ -+#define vx_weak_check(c,m) ((m) ? vx_check(c,m) : 1) -+ -+ -+/* -+ * check current context for ADMIN/WATCH and -+ * optionally against supplied argument -+ */ -+static inline int __vx_check(xid_t cid, xid_t id, unsigned int mode) -+{ -+ if (mode & VX_ARG_MASK) { -+ if ((mode & VX_IDENT) && -+ (id == cid)) -+ return 1; -+ } -+ if (mode & VX_ATR_MASK) { -+ if ((mode & VX_DYNAMIC) && -+ (id >= MIN_D_CONTEXT) && -+ (id <= MAX_S_CONTEXT)) -+ return 1; -+ if ((mode & VX_STATIC) && -+ (id > 1) && (id < MIN_D_CONTEXT)) -+ return 1; -+ } -+ return (((mode & VX_ADMIN) && (cid == 0)) || -+ ((mode & VX_WATCH) && (cid == 1)) || -+ ((mode & VX_HOSTID) && (id == 0))); -+} -+ -+ -+#define __vx_state(v) ((v) ? ((v)->vx_state) : 0) -+ -+#define vx_info_state(v,m) (__vx_state(v) & (m)) -+ -+ -+/* generic flag merging */ -+ -+#define vx_check_flags(v,m,f) (((v) & (m)) ^ (f)) -+ -+#define vx_mask_flags(v,f,m) (((v) & ~(m)) | ((f) & (m))) -+ -+#define vx_mask_mask(v,f,m) (((v) & ~(m)) | ((v) & (f) & (m))) -+ -+#define vx_check_bit(v,n) ((v) & (1LL << (n))) -+ -+ -+/* context flags */ -+ -+#define __vx_flags(v) ((v) ? (v)->vx_flags : 0) -+ -+#define vx_current_flags() __vx_flags(current->vx_info) -+ -+#define vx_info_flags(v,m,f) \ -+ vx_check_flags(__vx_flags(v),(m),(f)) -+ -+#define task_vx_flags(t,m,f) \ -+ ((t) && vx_info_flags((t)->vx_info, (m), (f))) -+ -+#define vx_flags(m,f) vx_info_flags(current->vx_info,(m),(f)) -+ -+ -+/* context caps */ -+ -+#define __vx_ccaps(v) ((v) ? (v)->vx_ccaps : 0) -+ -+#define vx_current_ccaps() __vx_ccaps(current->vx_info) -+ -+#define vx_info_ccaps(v,c) (__vx_ccaps(v) & (c)) -+ -+#define vx_ccaps(c) vx_info_ccaps(current->vx_info,(c)) -+ -+ -+#define __vx_mcaps(v) ((v) ? (v)->vx_ccaps >> 32UL : ~0 ) -+ -+#define vx_info_mcaps(v,c) (__vx_mcaps(v) & (c)) -+ -+#define vx_mcaps(c) vx_info_mcaps(current->vx_info,(c)) -+ -+ -+#define vx_current_bcaps() \ -+ (((current->vx_info) && !vx_flags(VXF_STATE_SETUP, 0)) ? \ -+ current->vx_info->vx_bcaps : cap_bset) -+ -+ -+#define vx_current_initpid(n) \ -+ (current->vx_info && \ -+ (current->vx_info->vx_initpid == (n))) -+ -+#define vx_capable(b,c) (capable(b) || \ -+ ((current->euid == 0) && vx_ccaps(c))) -+ -+ -+#else -+#warning duplicate inclusion -+#endif -Index: linux-2.6.18/include/linux/vs_context.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/include/linux/vs_context.h -@@ -0,0 +1,242 @@ -+#ifndef _VX_VS_CONTEXT_H -+#define _VX_VS_CONTEXT_H -+ -+#include <linux/kernel.h> -+#include "vserver/debug.h" -+ -+ -+#define get_vx_info(i) __get_vx_info(i,__FILE__,__LINE__,__HERE__) -+ -+static inline struct vx_info *__get_vx_info(struct vx_info *vxi, -+ const char *_file, int _line, void *_here) -+{ -+ if (!vxi) -+ return NULL; -+ -+ vxlprintk(VXD_CBIT(xid, 2), "get_vx_info(%p[#%d.%d])", -+ vxi, vxi?vxi->vx_id:0, vxi?atomic_read(&vxi->vx_usecnt):0, -+ _file, _line); -+ __vxh_get_vx_info(vxi, _here); -+ -+ atomic_inc(&vxi->vx_usecnt); -+ return vxi; -+} -+ -+ -+extern void free_vx_info(struct vx_info *); -+ -+#define put_vx_info(i) __put_vx_info(i,__FILE__,__LINE__,__HERE__) -+ -+static inline void __put_vx_info(struct vx_info *vxi, -+ const char *_file, int _line, void *_here) -+{ -+ if (!vxi) -+ return; -+ -+ vxlprintk(VXD_CBIT(xid, 2), "put_vx_info(%p[#%d.%d])", -+ vxi, vxi?vxi->vx_id:0, vxi?atomic_read(&vxi->vx_usecnt):0, -+ _file, _line); -+ __vxh_put_vx_info(vxi, _here); -+ -+ if (atomic_dec_and_test(&vxi->vx_usecnt)) -+ free_vx_info(vxi); -+} -+ -+ -+#define init_vx_info(p,i) __init_vx_info(p,i,__FILE__,__LINE__,__HERE__) -+ -+static inline void __init_vx_info(struct vx_info **vxp, struct vx_info *vxi, -+ const char *_file, int _line, void *_here) -+{ -+ if (vxi) { -+ vxlprintk(VXD_CBIT(xid, 3), -+ "init_vx_info(%p[#%d.%d])", -+ vxi, vxi?vxi->vx_id:0, -+ vxi?atomic_read(&vxi->vx_usecnt):0, -+ _file, _line); -+ __vxh_init_vx_info(vxi, vxp, _here); -+ -+ atomic_inc(&vxi->vx_usecnt); -+ } -+ *vxp = vxi; -+} -+ -+ -+#define set_vx_info(p,i) __set_vx_info(p,i,__FILE__,__LINE__,__HERE__) -+ -+static inline void __set_vx_info(struct vx_info **vxp, struct vx_info *vxi, -+ const char *_file, int _line, void *_here) -+{ -+ struct vx_info *vxo; -+ -+ if (!vxi) -+ return; -+ -+ vxlprintk(VXD_CBIT(xid, 3), "set_vx_info(%p[#%d.%d])", -+ vxi, vxi?vxi->vx_id:0, -+ vxi?atomic_read(&vxi->vx_usecnt):0, -+ _file, _line); -+ __vxh_set_vx_info(vxi, vxp, _here); -+ -+ atomic_inc(&vxi->vx_usecnt); -+ vxo = xchg(vxp, vxi); -+ BUG_ON(vxo); -+} -+ -+ -+#define clr_vx_info(p) __clr_vx_info(p,__FILE__,__LINE__,__HERE__) -+ -+static inline void __clr_vx_info(struct vx_info **vxp, -+ const char *_file, int _line, void *_here) -+{ -+ struct vx_info *vxo; -+ -+ vxo = xchg(vxp, NULL); -+ if (!vxo) -+ return; -+ -+ vxlprintk(VXD_CBIT(xid, 3), "clr_vx_info(%p[#%d.%d])", -+ vxo, vxo?vxo->vx_id:0, -+ vxo?atomic_read(&vxo->vx_usecnt):0, -+ _file, _line); -+ __vxh_clr_vx_info(vxo, vxp, _here); -+ -+ if (atomic_dec_and_test(&vxo->vx_usecnt)) -+ free_vx_info(vxo); -+} -+ -+ -+#define claim_vx_info(v,p) \ -+ __claim_vx_info(v,p,__FILE__,__LINE__,__HERE__) -+ -+static inline void __claim_vx_info(struct vx_info *vxi, -+ struct task_struct *task, -+ const char *_file, int _line, void *_here) -+{ -+ vxlprintk(VXD_CBIT(xid, 3), "claim_vx_info(%p[#%d.%d.%d]) %p", -+ vxi, vxi?vxi->vx_id:0, -+ vxi?atomic_read(&vxi->vx_usecnt):0, -+ vxi?atomic_read(&vxi->vx_tasks):0, -+ task, _file, _line); -+ __vxh_claim_vx_info(vxi, task, _here); -+ -+ atomic_inc(&vxi->vx_tasks); -+} -+ -+ -+extern void unhash_vx_info(struct vx_info *); -+ -+#define release_vx_info(v,p) \ -+ __release_vx_info(v,p,__FILE__,__LINE__,__HERE__) -+ -+static inline void __release_vx_info(struct vx_info *vxi, -+ struct task_struct *task, -+ const char *_file, int _line, void *_here) -+{ -+ vxlprintk(VXD_CBIT(xid, 3), "release_vx_info(%p[#%d.%d.%d]) %p", -+ vxi, vxi?vxi->vx_id:0, -+ vxi?atomic_read(&vxi->vx_usecnt):0, -+ vxi?atomic_read(&vxi->vx_tasks):0, -+ task, _file, _line); -+ __vxh_release_vx_info(vxi, task, _here); -+ -+ might_sleep(); -+ -+ if (atomic_dec_and_test(&vxi->vx_tasks)) -+ unhash_vx_info(vxi); -+} -+ -+ -+#define task_get_vx_info(p) \ -+ __task_get_vx_info(p,__FILE__,__LINE__,__HERE__) -+ -+static inline struct vx_info *__task_get_vx_info(struct task_struct *p, -+ const char *_file, int _line, void *_here) -+{ -+ struct vx_info *vxi; -+ -+ task_lock(p); -+ vxlprintk(VXD_CBIT(xid, 5), "task_get_vx_info(%p)", -+ p, _file, _line); -+ vxi = __get_vx_info(p->vx_info, _file, _line, _here); -+ task_unlock(p); -+ return vxi; -+} -+ -+ -+static inline void __wakeup_vx_info(struct vx_info *vxi) -+{ -+ if (waitqueue_active(&vxi->vx_wait)) -+ wake_up_interruptible(&vxi->vx_wait); -+} -+ -+ -+#define enter_vx_info(v,s) __enter_vx_info(v,s,__FILE__,__LINE__) -+ -+static inline void __enter_vx_info(struct vx_info *vxi, -+ struct vx_info_save *vxis, const char *_file, int _line) -+{ -+ vxlprintk(VXD_CBIT(xid, 5), "enter_vx_info(%p[#%d],%p) %p[#%d,%p]", -+ vxi, vxi ? vxi->vx_id : 0, vxis, current, -+ current->xid, current->vx_info, _file, _line); -+ vxis->vxi = xchg(¤t->vx_info, vxi); -+ vxis->xid = current->xid; -+ current->xid = vxi ? vxi->vx_id : 0; -+} -+ -+#define leave_vx_info(s) __leave_vx_info(s,__FILE__,__LINE__) -+ -+static inline void __leave_vx_info(struct vx_info_save *vxis, -+ const char *_file, int _line) -+{ -+ vxlprintk(VXD_CBIT(xid, 5), "leave_vx_info(%p[#%d,%p]) %p[#%d,%p]", -+ vxis, vxis->xid, vxis->vxi, current, -+ current->xid, current->vx_info, _file, _line); -+ (void)xchg(¤t->vx_info, vxis->vxi); -+ current->xid = vxis->xid; -+} -+ -+ -+static inline void __enter_vx_admin(struct vx_info_save *vxis) -+{ -+ vxis->vxi = xchg(¤t->vx_info, NULL); -+ vxis->xid = xchg(¤t->xid, (xid_t)0); -+} -+ -+static inline void __leave_vx_admin(struct vx_info_save *vxis) -+{ -+ (void)xchg(¤t->xid, vxis->xid); -+ (void)xchg(¤t->vx_info, vxis->vxi); -+} -+ -+extern void exit_vx_info(struct task_struct *, int); -+extern void exit_vx_info_early(struct task_struct *, int); -+ -+ -+static inline -+struct task_struct *vx_child_reaper(struct task_struct *p) -+{ -+ struct vx_info *vxi = p->vx_info; -+ struct task_struct *reaper = child_reaper; -+ -+ if (!vxi) -+ goto out; -+ -+ BUG_ON(!p->vx_info->vx_reaper); -+ -+ /* child reaper for the guest reaper */ -+ if (vxi->vx_reaper == p) -+ goto out; -+ -+ reaper = vxi->vx_reaper; -+out: -+ vxdprintk(VXD_CBIT(xid, 3), -+ "vx_child_reaper(%p[#%u,%u]) = %p[#%u,%u]\n", -+ p, p->xid, p->pid, reaper, reaper->xid, reaper->pid); -+ return reaper; -+} -+ -+ -+#else -+#warning duplicate inclusion -+#endif -Index: linux-2.6.18/include/linux/vs_cvirt.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/include/linux/vs_cvirt.h -@@ -0,0 +1,157 @@ -+#ifndef _VX_VS_CVIRT_H -+#define _VX_VS_CVIRT_H -+ -+#include "vserver/cvirt.h" -+#include "vserver/debug.h" -+ -+ -+/* utsname virtualization */ -+ -+static inline struct new_utsname *vx_new_utsname(void) -+{ -+ if (current->vx_info) -+ return ¤t->vx_info->cvirt.utsname; -+ return &system_utsname; -+} -+ -+#define vx_new_uts(x) ((vx_new_utsname())->x) -+ -+ -+/* pid faking stuff */ -+ -+ -+#define vx_info_map_pid(v,p) \ -+ __vx_info_map_pid((v), (p), __FUNC__, __FILE__, __LINE__) -+#define vx_info_map_tgid(v,p) vx_info_map_pid(v,p) -+#define vx_map_pid(p) vx_info_map_pid(current->vx_info, p) -+#define vx_map_tgid(p) vx_map_pid(p) -+ -+static inline int __vx_info_map_pid(struct vx_info *vxi, int pid, -+ const char *func, const char *file, int line) -+{ -+ if (vx_info_flags(vxi, VXF_INFO_INIT, 0)) { -+ vxfprintk(VXD_CBIT(cvirt, 2), -+ "vx_map_tgid: %p/%llx: %d -> %d", -+ vxi, (long long)vxi->vx_flags, pid, -+ (pid && pid == vxi->vx_initpid)?1:pid, -+ func, file, line); -+ if (pid == 0) -+ return 0; -+ if (pid == vxi->vx_initpid) -+ return 1; -+ } -+ return pid; -+} -+ -+#define vx_info_rmap_pid(v,p) \ -+ __vx_info_rmap_pid((v), (p), __FUNC__, __FILE__, __LINE__) -+#define vx_rmap_pid(p) vx_info_rmap_pid(current->vx_info, p) -+#define vx_rmap_tgid(p) vx_rmap_pid(p) -+ -+static inline int __vx_info_rmap_pid(struct vx_info *vxi, int pid, -+ const char *func, const char *file, int line) -+{ -+ if (vx_info_flags(vxi, VXF_INFO_INIT, 0)) { -+ vxfprintk(VXD_CBIT(cvirt, 2), -+ "vx_rmap_tgid: %p/%llx: %d -> %d", -+ vxi, (long long)vxi->vx_flags, pid, -+ (pid == 1)?vxi->vx_initpid:pid, -+ func, file, line); -+ if ((pid == 1) && vxi->vx_initpid) -+ return vxi->vx_initpid; -+ if (pid == vxi->vx_initpid) -+ return ~0U; -+ } -+ return pid; -+} -+ -+ -+static inline void vx_activate_task(struct task_struct *p) -+{ -+ struct vx_info *vxi; -+ -+ if ((vxi = p->vx_info)) { -+ vx_update_load(vxi); -+ atomic_inc(&vxi->cvirt.nr_running); -+ } -+} -+ -+static inline void vx_deactivate_task(struct task_struct *p) -+{ -+ struct vx_info *vxi; -+ -+ if ((vxi = p->vx_info)) { -+ vx_update_load(vxi); -+ atomic_dec(&vxi->cvirt.nr_running); -+ } -+} -+ -+static inline void vx_uninterruptible_inc(struct task_struct *p) -+{ -+ struct vx_info *vxi; -+ -+ if ((vxi = p->vx_info)) -+ atomic_inc(&vxi->cvirt.nr_uninterruptible); -+} -+ -+static inline void vx_uninterruptible_dec(struct task_struct *p) -+{ -+ struct vx_info *vxi; -+ -+ if ((vxi = p->vx_info)) -+ atomic_dec(&vxi->cvirt.nr_uninterruptible); -+} -+ -+ -+struct inode; -+ -+#define VXF_FAKE_INIT (VXF_INFO_INIT|VXF_STATE_INIT) -+ -+static inline -+int proc_pid_visible(struct task_struct *task, int pid) -+{ -+ if ((pid == 1) && -+ !vx_flags(VXF_FAKE_INIT, VXF_FAKE_INIT)) -+ /* show a blend through init */ -+ goto visible; -+ if (vx_check(vx_task_xid(task), VX_WATCH|VX_IDENT)) -+ goto visible; -+ return 0; -+visible: -+ return 1; -+} -+ -+static inline -+struct task_struct *find_proc_task_by_pid(int pid) -+{ -+ struct task_struct *task = find_task_by_pid(pid); -+ -+ if (task && !proc_pid_visible(task, pid)) { -+ vxdprintk(VXD_CBIT(misc, 6), -+ "dropping task %p[#%u,%u] for %p[#%u,%u]", -+ task, task->xid, task->pid, -+ current, current->xid, current->pid); -+ task = NULL; -+ } -+ return task; -+} -+ -+static inline -+struct task_struct *vx_get_proc_task(struct inode *inode, struct pid *pid) -+{ -+ struct task_struct *task = get_pid_task(pid, PIDTYPE_PID); -+ -+ if (task && !proc_pid_visible(task, pid->nr)) { -+ vxdprintk(VXD_CBIT(misc, 6), -+ "dropping task %p[#%u,%u] for %p[#%u,%u]", -+ task, task->xid, task->pid, -+ current, current->xid, current->pid); -+ put_task_struct(task); -+ task = NULL; -+ } -+ return task; -+} -+ -+#else -+#warning duplicate inclusion -+#endif -Index: linux-2.6.18/include/linux/vs_dlimit.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/include/linux/vs_dlimit.h -@@ -0,0 +1,213 @@ -+#ifndef _VX_VS_DLIMIT_H -+#define _VX_VS_DLIMIT_H -+ -+#include "vserver/dlimit.h" -+#include "vserver/debug.h" -+ -+ -+#define get_dl_info(i) __get_dl_info(i,__FILE__,__LINE__) -+ -+static inline struct dl_info *__get_dl_info(struct dl_info *dli, -+ const char *_file, int _line) -+{ -+ if (!dli) -+ return NULL; -+ vxlprintk(VXD_CBIT(dlim, 4), "get_dl_info(%p[#%d.%d])", -+ dli, dli?dli->dl_xid:0, dli?atomic_read(&dli->dl_usecnt):0, -+ _file, _line); -+ atomic_inc(&dli->dl_usecnt); -+ return dli; -+} -+ -+ -+#define free_dl_info(i) \ -+ call_rcu(&i->dl_rcu, rcu_free_dl_info); -+ -+#define put_dl_info(i) __put_dl_info(i,__FILE__,__LINE__) -+ -+static inline void __put_dl_info(struct dl_info *dli, -+ const char *_file, int _line) -+{ -+ if (!dli) -+ return; -+ vxlprintk(VXD_CBIT(dlim, 4), "put_dl_info(%p[#%d.%d])", -+ dli, dli?dli->dl_xid:0, dli?atomic_read(&dli->dl_usecnt):0, -+ _file, _line); -+ if (atomic_dec_and_test(&dli->dl_usecnt)) -+ free_dl_info(dli); -+} -+ -+ -+#define __dlimit_char(d) ((d)?'*':' ') -+ -+static inline int __dl_alloc_space(struct super_block *sb, -+ xid_t xid, dlsize_t nr, const char *file, int line) -+{ -+ struct dl_info *dli = NULL; -+ int ret = 0; -+ -+ if (nr == 0) -+ goto out; -+ dli = locate_dl_info(sb, xid); -+ if (!dli) -+ goto out; -+ -+ spin_lock(&dli->dl_lock); -+ ret = (dli->dl_space_used + nr > dli->dl_space_total); -+ if (!ret) -+ dli->dl_space_used += nr; -+ spin_unlock(&dli->dl_lock); -+ put_dl_info(dli); -+out: -+ vxlprintk(VXD_CBIT(dlim, 1), -+ "ALLOC (%p,#%d)%c %lld bytes (%d)", -+ sb, xid, __dlimit_char(dli), (long long)nr, -+ ret, file, line); -+ return ret; -+} -+ -+static inline void __dl_free_space(struct super_block *sb, -+ xid_t xid, dlsize_t nr, const char *_file, int _line) -+{ -+ struct dl_info *dli = NULL; -+ -+ if (nr == 0) -+ goto out; -+ dli = locate_dl_info(sb, xid); -+ if (!dli) -+ goto out; -+ -+ spin_lock(&dli->dl_lock); -+ if (dli->dl_space_used > nr) -+ dli->dl_space_used -= nr; -+ else -+ dli->dl_space_used = 0; -+ spin_unlock(&dli->dl_lock); -+ put_dl_info(dli); -+out: -+ vxlprintk(VXD_CBIT(dlim, 1), -+ "FREE (%p,#%d)%c %lld bytes", -+ sb, xid, __dlimit_char(dli), (long long)nr, -+ _file, _line); -+} -+ -+static inline int __dl_alloc_inode(struct super_block *sb, -+ xid_t xid, const char *_file, int _line) -+{ -+ struct dl_info *dli; -+ int ret = 0; -+ -+ dli = locate_dl_info(sb, xid); -+ if (!dli) -+ goto out; -+ -+ spin_lock(&dli->dl_lock); -+ ret = (dli->dl_inodes_used >= dli->dl_inodes_total); -+ if (!ret) -+ dli->dl_inodes_used++; -+#if 0 -+ else -+ vxwprintk("DLIMIT hit (%p,#%d), inode %d>=%d @ %s:%d", -+ sb, xid, -+ dli->dl_inodes_used, dli->dl_inodes_total, -+ file, line); -+#endif -+ spin_unlock(&dli->dl_lock); -+ put_dl_info(dli); -+out: -+ vxlprintk(VXD_CBIT(dlim, 0), -+ "ALLOC (%p,#%d)%c inode (%d)", -+ sb, xid, __dlimit_char(dli), ret, _file, _line); -+ return ret; -+} -+ -+static inline void __dl_free_inode(struct super_block *sb, -+ xid_t xid, const char *_file, int _line) -+{ -+ struct dl_info *dli; -+ -+ dli = locate_dl_info(sb, xid); -+ if (!dli) -+ goto out; -+ -+ spin_lock(&dli->dl_lock); -+ if (dli->dl_inodes_used > 1) -+ dli->dl_inodes_used--; -+ else -+ dli->dl_inodes_used = 0; -+ spin_unlock(&dli->dl_lock); -+ put_dl_info(dli); -+out: -+ vxlprintk(VXD_CBIT(dlim, 0), -+ "FREE (%p,#%d)%c inode", -+ sb, xid, __dlimit_char(dli), _file, _line); -+} -+ -+static inline void __dl_adjust_block(struct super_block *sb, xid_t xid, -+ unsigned long *free_blocks, unsigned long *root_blocks, -+ const char *_file, int _line) -+{ -+ struct dl_info *dli; -+ uint64_t broot, bfree; -+ -+ dli = locate_dl_info(sb, xid); -+ if (!dli) -+ return; -+ -+ spin_lock(&dli->dl_lock); -+ broot = (dli->dl_space_total - -+ (dli->dl_space_total >> 10) * dli->dl_nrlmult) -+ >> sb->s_blocksize_bits; -+ bfree = (dli->dl_space_total - dli->dl_space_used) -+ >> sb->s_blocksize_bits; -+ spin_unlock(&dli->dl_lock); -+ -+ vxlprintk(VXD_CBIT(dlim, 2), -+ "ADJUST: %lld,%lld on %ld,%ld [mult=%d]", -+ (long long)bfree, (long long)broot, -+ *free_blocks, *root_blocks, dli->dl_nrlmult, -+ _file, _line); -+ if (free_blocks) { -+ if (*free_blocks > bfree) -+ *free_blocks = bfree; -+ } -+ if (root_blocks) { -+ if (*root_blocks > broot) -+ *root_blocks = broot; -+ } -+ put_dl_info(dli); -+} -+ -+#define DLIMIT_ALLOC_SPACE(in, bytes) \ -+ __dl_alloc_space((in)->i_sb, (in)->i_xid, (dlsize_t)(bytes), \ -+ __FILE__, __LINE__ ) -+ -+#define DLIMIT_FREE_SPACE(in, bytes) \ -+ __dl_free_space((in)->i_sb, (in)->i_xid, (dlsize_t)(bytes), \ -+ __FILE__, __LINE__ ) -+ -+#define DLIMIT_ALLOC_BLOCK(in, nr) \ -+ __dl_alloc_space((in)->i_sb, (in)->i_xid, \ -+ ((dlsize_t)(nr)) << (in)->i_sb->s_blocksize_bits, \ -+ __FILE__, __LINE__ ) -+ -+#define DLIMIT_FREE_BLOCK(in, nr) \ -+ __dl_free_space((in)->i_sb, (in)->i_xid, \ -+ ((dlsize_t)(nr)) << (in)->i_sb->s_blocksize_bits, \ -+ __FILE__, __LINE__ ) -+ -+ -+#define DLIMIT_ALLOC_INODE(in) \ -+ __dl_alloc_inode((in)->i_sb, (in)->i_xid, __FILE__, __LINE__ ) -+ -+#define DLIMIT_FREE_INODE(in) \ -+ __dl_free_inode((in)->i_sb, (in)->i_xid, __FILE__, __LINE__ ) -+ -+ -+#define DLIMIT_ADJUST_BLOCK(sb, xid, fb, rb) \ -+ __dl_adjust_block(sb, xid, fb, rb, __FILE__, __LINE__ ) -+ -+ -+#else -+#warning duplicate inclusion -+#endif -Index: linux-2.6.18/include/linux/vs_limit.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/include/linux/vs_limit.h -@@ -0,0 +1,107 @@ -+#ifndef _VX_VS_LIMIT_H -+#define _VX_VS_LIMIT_H -+ -+#include "vserver/limit.h" -+#include "vserver/debug.h" -+#include "vserver/limit_int.h" -+ -+ -+#define vx_acc_cres(v,d,p,r) \ -+ __vx_acc_cres(v, r, d, p, __FILE__, __LINE__) -+ -+#define vx_acc_cres_cond(x,d,p,r) \ -+ __vx_acc_cres(((x) == vx_current_xid()) ? current->vx_info : 0, \ -+ r, d, p, __FILE__, __LINE__) -+ -+ -+#define vx_add_cres(v,a,p,r) \ -+ __vx_add_cres(v, r, a, p, __FILE__, __LINE__) -+#define vx_sub_cres(v,a,p,r) vx_add_cres(v,-(a),p,r) -+ -+#define vx_add_cres_cond(x,a,p,r) \ -+ __vx_add_cres(((x) == vx_current_xid()) ? current->vx_info : 0, \ -+ r, a, p, __FILE__, __LINE__) -+#define vx_sub_cres_cond(x,a,p,r) vx_add_cres_cond(x,-(a),p,r) -+ -+ -+/* process and file limits */ -+ -+#define vx_nproc_inc(p) \ -+ vx_acc_cres((p)->vx_info, 1, p, RLIMIT_NPROC) -+ -+#define vx_nproc_dec(p) \ -+ vx_acc_cres((p)->vx_info,-1, p, RLIMIT_NPROC) -+ -+#define vx_files_inc(f) \ -+ vx_acc_cres_cond((f)->f_xid, 1, f, RLIMIT_NOFILE) -+ -+#define vx_files_dec(f) \ -+ vx_acc_cres_cond((f)->f_xid,-1, f, RLIMIT_NOFILE) -+ -+#define vx_locks_inc(l) \ -+ vx_acc_cres_cond((l)->fl_xid, 1, l, RLIMIT_LOCKS) -+ -+#define vx_locks_dec(l) \ -+ vx_acc_cres_cond((l)->fl_xid,-1, l, RLIMIT_LOCKS) -+ -+#define vx_openfd_inc(f) \ -+ vx_acc_cres(current->vx_info, 1, (void *)(long)(f), VLIMIT_OPENFD) -+ -+#define vx_openfd_dec(f) \ -+ vx_acc_cres(current->vx_info,-1, (void *)(long)(f), VLIMIT_OPENFD) -+ -+ -+#define vx_cres_avail(v,n,r) \ -+ __vx_cres_avail(v, r, n, __FILE__, __LINE__) -+ -+ -+#define vx_nproc_avail(n) \ -+ vx_cres_avail(current->vx_info, n, RLIMIT_NPROC) -+ -+#define vx_files_avail(n) \ -+ vx_cres_avail(current->vx_info, n, RLIMIT_NOFILE) -+ -+#define vx_locks_avail(n) \ -+ vx_cres_avail(current->vx_info, n, RLIMIT_LOCKS) -+ -+#define vx_openfd_avail(n) \ -+ vx_cres_avail(current->vx_info, n, VLIMIT_OPENFD) -+ -+ -+/* socket limits */ -+ -+#define vx_sock_inc(s) \ -+ vx_acc_cres((s)->sk_vx_info, 1, s, VLIMIT_NSOCK) -+ -+#define vx_sock_dec(s) \ -+ vx_acc_cres((s)->sk_vx_info,-1, s, VLIMIT_NSOCK) -+ -+#define vx_sock_avail(n) \ -+ vx_cres_avail(current->vx_info, n, VLIMIT_NSOCK) -+ -+ -+/* ipc resource limits */ -+ -+#define vx_ipcmsg_add(v,u,a) \ -+ vx_add_cres(v, a, u, RLIMIT_MSGQUEUE) -+ -+#define vx_ipcmsg_sub(v,u,a) \ -+ vx_sub_cres(v, a, u, RLIMIT_MSGQUEUE) -+ -+#define vx_ipcmsg_avail(v,a) \ -+ vx_cres_avail(v, a, RLIMIT_MSGQUEUE) -+ -+ -+#define vx_ipcshm_add(v,k,a) \ -+ vx_add_cres(v, a, (void *)(long)(k), VLIMIT_SHMEM) -+ -+#define vx_ipcshm_sub(v,k,a) \ -+ vx_sub_cres(v, a, (void *)(long)(k), VLIMIT_SHMEM) -+ -+#define vx_ipcshm_avail(v,a) \ -+ vx_cres_avail(v, a, VLIMIT_SHMEM) -+ -+ -+#else -+#warning duplicate inclusion -+#endif -Index: linux-2.6.18/include/linux/vs_memory.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/include/linux/vs_memory.h -@@ -0,0 +1,107 @@ -+#ifndef _VX_VS_MEMORY_H -+#define _VX_VS_MEMORY_H -+ -+#include "vserver/limit.h" -+#include "vserver/debug.h" -+#include "vserver/limit_int.h" -+ -+ -+#define __vx_add_long(a,v) (*(v) += (a)) -+#define __vx_inc_long(v) (++*(v)) -+#define __vx_dec_long(v) (--*(v)) -+ -+#if NR_CPUS >= CONFIG_SPLIT_PTLOCK_CPUS -+#define __vx_add_value(a,v) atomic_long_add(a,v) -+#define __vx_inc_value(v) atomic_long_inc(v) -+#define __vx_dec_value(v) atomic_long_dec(v) -+#else /* NR_CPUS < CONFIG_SPLIT_PTLOCK_CPUS */ -+#define __vx_add_value(a,v) __vx_add_long(a,v) -+#define __vx_inc_value(v) __vx_inc_long(v) -+#define __vx_dec_value(v) __vx_dec_long(v) -+#endif /* NR_CPUS < CONFIG_SPLIT_PTLOCK_CPUS */ -+ -+ -+#define vx_acc_page(m,d,v,r) do { \ -+ if ((d) > 0) \ -+ __vx_inc_long(&(m->v)); \ -+ else \ -+ __vx_dec_long(&(m->v)); \ -+ __vx_acc_cres(m->mm_vx_info, r, d, m, __FILE__, __LINE__); \ -+} while (0) -+ -+#define vx_acc_page_atomic(m,d,v,r) do { \ -+ if ((d) > 0) \ -+ __vx_inc_value(&(m->v)); \ -+ else \ -+ __vx_dec_value(&(m->v)); \ -+ __vx_acc_cres(m->mm_vx_info, r, d, m, __FILE__, __LINE__); \ -+} while (0) -+ -+ -+#define vx_acc_pages(m,p,v,r) do { \ -+ unsigned long __p = (p); \ -+ __vx_add_long(__p, &(m->v)); \ -+ __vx_add_cres(m->mm_vx_info, r, __p, m, __FILE__, __LINE__); \ -+} while (0) -+ -+#define vx_acc_pages_atomic(m,p,v,r) do { \ -+ unsigned long __p = (p); \ -+ __vx_add_value(__p, &(m->v)); \ -+ __vx_add_cres(m->mm_vx_info, r, __p, m, __FILE__, __LINE__); \ -+} while (0) -+ -+ -+ -+#define vx_acc_vmpage(m,d) \ -+ vx_acc_page(m, d, total_vm, RLIMIT_AS) -+#define vx_acc_vmlpage(m,d) \ -+ vx_acc_page(m, d, locked_vm, RLIMIT_MEMLOCK) -+#define vx_acc_file_rsspage(m,d) \ -+ vx_acc_page_atomic(m, d, _file_rss, RLIMIT_RSS) -+#define vx_acc_anon_rsspage(m,d) \ -+ vx_acc_page_atomic(m, d, _anon_rss, VLIMIT_ANON) -+ -+#define vx_acc_vmpages(m,p) \ -+ vx_acc_pages(m, p, total_vm, RLIMIT_AS) -+#define vx_acc_vmlpages(m,p) \ -+ vx_acc_pages(m, p, locked_vm, RLIMIT_MEMLOCK) -+#define vx_acc_file_rsspages(m,p) \ -+ vx_acc_pages_atomic(m, p, _file_rss, RLIMIT_RSS) -+#define vx_acc_anon_rsspages(m,p) \ -+ vx_acc_pages_atomic(m, p, _anon_rss, VLIMIT_ANON) -+ -+#define vx_pages_add(s,r,p) __vx_add_cres(s, r, p, 0, __FILE__, __LINE__) -+#define vx_pages_sub(s,r,p) vx_pages_add(s, r, -(p)) -+ -+#define vx_vmpages_inc(m) vx_acc_vmpage(m, 1) -+#define vx_vmpages_dec(m) vx_acc_vmpage(m,-1) -+#define vx_vmpages_add(m,p) vx_acc_vmpages(m, p) -+#define vx_vmpages_sub(m,p) vx_acc_vmpages(m,-(p)) -+ -+#define vx_vmlocked_inc(m) vx_acc_vmlpage(m, 1) -+#define vx_vmlocked_dec(m) vx_acc_vmlpage(m,-1) -+#define vx_vmlocked_add(m,p) vx_acc_vmlpages(m, p) -+#define vx_vmlocked_sub(m,p) vx_acc_vmlpages(m,-(p)) -+ -+#define vx_file_rsspages_inc(m) vx_acc_file_rsspage(m, 1) -+#define vx_file_rsspages_dec(m) vx_acc_file_rsspage(m,-1) -+#define vx_file_rsspages_add(m,p) vx_acc_file_rsspages(m, p) -+#define vx_file_rsspages_sub(m,p) vx_acc_file_rsspages(m,-(p)) -+ -+#define vx_anon_rsspages_inc(m) vx_acc_anon_rsspage(m, 1) -+#define vx_anon_rsspages_dec(m) vx_acc_anon_rsspage(m,-1) -+#define vx_anon_rsspages_add(m,p) vx_acc_anon_rsspages(m, p) -+#define vx_anon_rsspages_sub(m,p) vx_acc_anon_rsspages(m,-(p)) -+ -+ -+#define vx_pages_avail(m,p,r) \ -+ __vx_cres_avail((m)->mm_vx_info, r, p, __FILE__, __LINE__) -+ -+#define vx_vmpages_avail(m,p) vx_pages_avail(m, p, RLIMIT_AS) -+#define vx_vmlocked_avail(m,p) vx_pages_avail(m, p, RLIMIT_MEMLOCK) -+#define vx_rsspages_avail(m,p) vx_pages_avail(m, p, RLIMIT_RSS) -+#define vx_anonpages_avail(m,p) vx_pages_avail(m, p, VLIMIT_ANON) -+ -+#else -+#warning duplicate inclusion -+#endif -Index: linux-2.6.18/include/linux/vs_network.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/include/linux/vs_network.h -@@ -0,0 +1,220 @@ -+#ifndef _NX_VS_NETWORK_H -+#define _NX_VS_NETWORK_H -+ -+#include "vserver/network.h" -+#include "vserver/debug.h" -+ -+ -+#define get_nx_info(i) __get_nx_info(i,__FILE__,__LINE__) -+ -+static inline struct nx_info *__get_nx_info(struct nx_info *nxi, -+ const char *_file, int _line) -+{ -+ if (!nxi) -+ return NULL; -+ -+ vxlprintk(VXD_CBIT(nid, 2), "get_nx_info(%p[#%d.%d])", -+ nxi, nxi?nxi->nx_id:0, nxi?atomic_read(&nxi->nx_usecnt):0, -+ _file, _line); -+ -+ atomic_inc(&nxi->nx_usecnt); -+ return nxi; -+} -+ -+ -+extern void free_nx_info(struct nx_info *); -+ -+#define put_nx_info(i) __put_nx_info(i,__FILE__,__LINE__) -+ -+static inline void __put_nx_info(struct nx_info *nxi, const char *_file, int _line) -+{ -+ if (!nxi) -+ return; -+ -+ vxlprintk(VXD_CBIT(nid, 2), "put_nx_info(%p[#%d.%d])", -+ nxi, nxi?nxi->nx_id:0, nxi?atomic_read(&nxi->nx_usecnt):0, -+ _file, _line); -+ -+ if (atomic_dec_and_test(&nxi->nx_usecnt)) -+ free_nx_info(nxi); -+} -+ -+ -+#define init_nx_info(p,i) __init_nx_info(p,i,__FILE__,__LINE__) -+ -+static inline void __init_nx_info(struct nx_info **nxp, struct nx_info *nxi, -+ const char *_file, int _line) -+{ -+ if (nxi) { -+ vxlprintk(VXD_CBIT(nid, 3), -+ "init_nx_info(%p[#%d.%d])", -+ nxi, nxi?nxi->nx_id:0, -+ nxi?atomic_read(&nxi->nx_usecnt):0, -+ _file, _line); -+ -+ atomic_inc(&nxi->nx_usecnt); -+ } -+ *nxp = nxi; -+} -+ -+ -+#define set_nx_info(p,i) __set_nx_info(p,i,__FILE__,__LINE__) -+ -+static inline void __set_nx_info(struct nx_info **nxp, struct nx_info *nxi, -+ const char *_file, int _line) -+{ -+ struct nx_info *nxo; -+ -+ if (!nxi) -+ return; -+ -+ vxlprintk(VXD_CBIT(nid, 3), "set_nx_info(%p[#%d.%d])", -+ nxi, nxi?nxi->nx_id:0, -+ nxi?atomic_read(&nxi->nx_usecnt):0, -+ _file, _line); -+ -+ atomic_inc(&nxi->nx_usecnt); -+ nxo = xchg(nxp, nxi); -+ BUG_ON(nxo); -+} -+ -+#define clr_nx_info(p) __clr_nx_info(p,__FILE__,__LINE__) -+ -+static inline void __clr_nx_info(struct nx_info **nxp, -+ const char *_file, int _line) -+{ -+ struct nx_info *nxo; -+ -+ nxo = xchg(nxp, NULL); -+ if (!nxo) -+ return; -+ -+ vxlprintk(VXD_CBIT(nid, 3), "clr_nx_info(%p[#%d.%d])", -+ nxo, nxo?nxo->nx_id:0, -+ nxo?atomic_read(&nxo->nx_usecnt):0, -+ _file, _line); -+ -+ if (atomic_dec_and_test(&nxo->nx_usecnt)) -+ free_nx_info(nxo); -+} -+ -+ -+#define claim_nx_info(v,p) __claim_nx_info(v,p,__FILE__,__LINE__) -+ -+static inline void __claim_nx_info(struct nx_info *nxi, -+ struct task_struct *task, const char *_file, int _line) -+{ -+ vxlprintk(VXD_CBIT(nid, 3), "claim_nx_info(%p[#%d.%d.%d]) %p", -+ nxi, nxi?nxi->nx_id:0, -+ nxi?atomic_read(&nxi->nx_usecnt):0, -+ nxi?atomic_read(&nxi->nx_tasks):0, -+ task, _file, _line); -+ -+ atomic_inc(&nxi->nx_tasks); -+} -+ -+ -+extern void unhash_nx_info(struct nx_info *); -+ -+#define release_nx_info(v,p) __release_nx_info(v,p,__FILE__,__LINE__) -+ -+static inline void __release_nx_info(struct nx_info *nxi, -+ struct task_struct *task, const char *_file, int _line) -+{ -+ vxlprintk(VXD_CBIT(nid, 3), "release_nx_info(%p[#%d.%d.%d]) %p", -+ nxi, nxi?nxi->nx_id:0, -+ nxi?atomic_read(&nxi->nx_usecnt):0, -+ nxi?atomic_read(&nxi->nx_tasks):0, -+ task, _file, _line); -+ -+ might_sleep(); -+ -+ if (atomic_dec_and_test(&nxi->nx_tasks)) -+ unhash_nx_info(nxi); -+} -+ -+ -+#define task_get_nx_info(i) __task_get_nx_info(i,__FILE__,__LINE__) -+ -+static __inline__ struct nx_info *__task_get_nx_info(struct task_struct *p, -+ const char *_file, int _line) -+{ -+ struct nx_info *nxi; -+ -+ task_lock(p); -+ vxlprintk(VXD_CBIT(nid, 5), "task_get_nx_info(%p)", -+ p, _file, _line); -+ nxi = __get_nx_info(p->nx_info, _file, _line); -+ task_unlock(p); -+ return nxi; -+} -+ -+ -+#define nx_task_nid(t) ((t)->nid) -+ -+#define nx_current_nid() nx_task_nid(current) -+ -+#define current_nx_info() (current->nx_info) -+ -+ -+#define nx_check(c,m) __nx_check(nx_current_nid(),c,m) -+ -+#define nx_weak_check(c,m) ((m) ? nx_check(c,m) : 1) -+ -+ -+#define __nx_state(v) ((v) ? ((v)->nx_state) : 0) -+ -+#define nx_info_state(v,m) (__nx_state(v) & (m)) -+ -+ -+#define __nx_flags(v) ((v) ? (v)->nx_flags : 0) -+ -+#define nx_current_flags() __nx_flags(current->nx_info) -+ -+#define nx_info_flags(v,m,f) \ -+ vx_check_flags(__nx_flags(v),(m),(f)) -+ -+#define task_nx_flags(t,m,f) \ -+ ((t) && nx_info_flags((t)->nx_info, (m), (f))) -+ -+#define nx_flags(m,f) nx_info_flags(current->nx_info,(m),(f)) -+ -+ -+/* context caps */ -+ -+#define __nx_ncaps(v) ((v) ? (v)->nx_ncaps : 0) -+ -+#define nx_current_ncaps() __nx_ncaps(current->nx_info) -+ -+#define nx_info_ncaps(v,c) (__nx_ncaps(v) & (c)) -+ -+#define nx_ncaps(c) nx_info_ncaps(current->nx_info,(c)) -+ -+ -+static inline int addr_in_nx_info(struct nx_info *nxi, uint32_t addr) -+{ -+ int n,i; -+ -+ if (!nxi) -+ return 1; -+ -+ n = nxi->nbipv4; -+ if (n && (nxi->ipv4[0] == 0)) -+ return 1; -+ for (i=0; i<n; i++) { -+ if (nxi->ipv4[i] == addr) -+ return 1; -+ } -+ return 0; -+} -+ -+static inline void exit_nx_info(struct task_struct *p) -+{ -+ if (p->nx_info) -+ release_nx_info(p->nx_info, p); -+} -+ -+ -+#else -+#warning duplicate inclusion -+#endif -Index: linux-2.6.18/include/linux/vs_sched.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/include/linux/vs_sched.h -@@ -0,0 +1,92 @@ -+#ifndef _VX_VS_SCHED_H -+#define _VX_VS_SCHED_H -+ -+#include "vserver/sched.h" -+ -+ -+#define VAVAVOOM_RATIO 50 -+ -+#define MAX_PRIO_BIAS 20 -+#define MIN_PRIO_BIAS -20 -+ -+ -+static inline int vx_tokens_avail(struct vx_info *vxi) -+{ -+ return atomic_read(&vxi->sched.tokens); -+} -+ -+static inline void vx_consume_token(struct vx_info *vxi) -+{ -+ atomic_dec(&vxi->sched.tokens); -+} -+ -+static inline int vx_need_resched(struct task_struct *p) -+{ -+#ifdef CONFIG_VSERVER_HARDCPU -+ struct vx_info *vxi = p->vx_info; -+#endif -+ int slice = --p->time_slice; -+ -+#ifdef CONFIG_VSERVER_HARDCPU -+ if (vxi) { -+ int tokens; -+ -+ if ((tokens = vx_tokens_avail(vxi)) > 0) -+ vx_consume_token(vxi); -+ /* for tokens > 0, one token was consumed */ -+ if (tokens < 2) -+ return 1; -+ } -+#endif -+ return (slice == 0); -+} -+ -+ -+static inline void vx_onhold_inc(struct vx_info *vxi) -+{ -+ int onhold = atomic_read(&vxi->cvirt.nr_onhold); -+ -+ atomic_inc(&vxi->cvirt.nr_onhold); -+ if (!onhold) -+ vxi->cvirt.onhold_last = jiffies; -+} -+ -+static inline void __vx_onhold_update(struct vx_info *vxi) -+{ -+ int cpu = smp_processor_id(); -+ uint32_t now = jiffies; -+ uint32_t delta = now - vxi->cvirt.onhold_last; -+ -+ vxi->cvirt.onhold_last = now; -+ vxi->sched.cpu[cpu].hold_ticks += delta; -+} -+ -+static inline void vx_onhold_dec(struct vx_info *vxi) -+{ -+ if (atomic_dec_and_test(&vxi->cvirt.nr_onhold)) -+ __vx_onhold_update(vxi); -+} -+ -+static inline void vx_account_user(struct vx_info *vxi, -+ cputime_t cputime, int nice) -+{ -+ int cpu = smp_processor_id(); -+ -+ if (!vxi) -+ return; -+ vxi->sched.cpu[cpu].user_ticks += cputime; -+} -+ -+static inline void vx_account_system(struct vx_info *vxi, -+ cputime_t cputime, int idle) -+{ -+ int cpu = smp_processor_id(); -+ -+ if (!vxi) -+ return; -+ vxi->sched.cpu[cpu].sys_ticks += cputime; -+} -+ -+#else -+#warning duplicate inclusion -+#endif -Index: linux-2.6.18/include/linux/vs_socket.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/include/linux/vs_socket.h -@@ -0,0 +1,65 @@ -+#ifndef _VX_VS_SOCKET_H -+#define _VX_VS_SOCKET_H -+ -+#include "vserver/debug.h" -+ -+ -+/* socket accounting */ -+ -+#include <linux/socket.h> -+#include <linux/vserver/cacct.h> -+ -+static inline int vx_sock_type(int family) -+{ -+ switch (family) { -+ case PF_UNSPEC: -+ return VXA_SOCK_UNSPEC; -+ case PF_UNIX: -+ return VXA_SOCK_UNIX; -+ case PF_INET: -+ return VXA_SOCK_INET; -+ case PF_INET6: -+ return VXA_SOCK_INET6; -+ case PF_PACKET: -+ return VXA_SOCK_PACKET; -+ default: -+ return VXA_SOCK_OTHER; -+ } -+} -+ -+#define vx_acc_sock(v,f,p,s) \ -+ __vx_acc_sock((v), (f), (p), (s), __FILE__, __LINE__) -+ -+static inline void __vx_acc_sock(struct vx_info *vxi, -+ int family, int pos, int size, char *file, int line) -+{ -+ if (vxi) { -+ int type = vx_sock_type(family); -+ -+ atomic_inc(&vxi->cacct.sock[type][pos].count); -+ atomic_add(size, &vxi->cacct.sock[type][pos].total); -+ } -+} -+ -+#define vx_sock_recv(sk,s) \ -+ vx_acc_sock((sk)->sk_vx_info, (sk)->sk_family, 0, (s)) -+#define vx_sock_send(sk,s) \ -+ vx_acc_sock((sk)->sk_vx_info, (sk)->sk_family, 1, (s)) -+#define vx_sock_fail(sk,s) \ -+ vx_acc_sock((sk)->sk_vx_info, (sk)->sk_family, 2, (s)) -+ -+ -+#define sock_vx_init(s) do { \ -+ (s)->sk_xid = 0; \ -+ (s)->sk_vx_info = NULL; \ -+ } while (0) -+ -+#define sock_nx_init(s) do { \ -+ (s)->sk_nid = 0; \ -+ (s)->sk_nx_info = NULL; \ -+ } while (0) -+ -+ -+#else -+#warning duplicate inclusion -+#endif -Index: linux-2.6.18/include/linux/vserver/cacct.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/include/linux/vserver/cacct.h -@@ -0,0 +1,15 @@ -+#ifndef _VX_CACCT_H -+#define _VX_CACCT_H -+ -+ -+enum sock_acc_field { -+ VXA_SOCK_UNSPEC = 0, -+ VXA_SOCK_UNIX, -+ VXA_SOCK_INET, -+ VXA_SOCK_INET6, -+ VXA_SOCK_PACKET, -+ VXA_SOCK_OTHER, -+ VXA_SOCK_SIZE /* array size */ -+}; -+ -+#endif /* _VX_CACCT_H */ -Index: linux-2.6.18/include/linux/vserver/context.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/include/linux/vserver/context.h -@@ -0,0 +1,177 @@ -+#ifndef _VX_CONTEXT_H -+#define _VX_CONTEXT_H -+ -+#include <linux/types.h> -+ -+ -+#define MAX_S_CONTEXT 65535 /* Arbitrary limit */ -+#define MIN_D_CONTEXT 49152 /* dynamic contexts start here */ -+ -+#define VX_DYNAMIC_ID ((uint32_t)-1) /* id for dynamic context */ -+ -+/* context flags */ -+ -+#define VXF_INFO_SCHED 0x00000002 -+#define VXF_INFO_NPROC 0x00000004 -+#define VXF_INFO_PRIVATE 0x00000008 -+ -+#define VXF_INFO_INIT 0x00000010 -+#define VXF_INFO_HIDE 0x00000020 -+#define VXF_INFO_ULIMIT 0x00000040 -+#define VXF_INFO_NSPACE 0x00000080 -+ -+#define VXF_SCHED_HARD 0x00000100 -+#define VXF_SCHED_PRIO 0x00000200 -+#define VXF_SCHED_PAUSE 0x00000400 -+ -+#define VXF_VIRT_MEM 0x00010000 -+#define VXF_VIRT_UPTIME 0x00020000 -+#define VXF_VIRT_CPU 0x00040000 -+#define VXF_VIRT_LOAD 0x00080000 -+ -+#define VXF_HIDE_MOUNT 0x01000000 -+#define VXF_HIDE_NETIF 0x02000000 -+ -+#define VXF_STATE_SETUP (1ULL<<32) -+#define VXF_STATE_INIT (1ULL<<33) -+ -+#define VXF_SC_HELPER (1ULL<<36) -+#define VXF_REBOOT_KILL (1ULL<<37) -+#define VXF_PERSISTENT (1ULL<<38) -+ -+#define VXF_FORK_RSS (1ULL<<48) -+#define VXF_PROLIFIC (1ULL<<49) -+ -+#define VXF_IGNEG_NICE (1ULL<<52) -+ -+#define VXF_ONE_TIME (0x0003ULL<<32) -+ -+#define VXF_INIT_SET (VXF_STATE_SETUP|VXF_STATE_INIT) -+ -+ -+/* context migration */ -+ -+#define VXM_SET_INIT 0x00000001 -+#define VXM_SET_REAPER 0x00000002 -+ -+/* context caps */ -+ -+#define VXC_CAP_MASK 0x00000000 -+ -+#define VXC_SET_UTSNAME 0x00000001 -+#define VXC_SET_RLIMIT 0x00000002 -+ -+#define VXC_RAW_ICMP 0x00000100 -+#define VXC_SYSLOG 0x00001000 -+ -+#define VXC_SECURE_MOUNT 0x00010000 -+#define VXC_SECURE_REMOUNT 0x00020000 -+#define VXC_BINARY_MOUNT 0x00040000 -+ -+#define VXC_QUOTA_CTL 0x00100000 -+ -+ -+/* context state changes */ -+ -+enum { -+ VSC_STARTUP = 1, -+ VSC_SHUTDOWN, -+ -+ VSC_NETUP, -+ VSC_NETDOWN, -+}; -+ -+ -+#ifdef __KERNEL__ -+ -+#include <linux/list.h> -+#include <linux/spinlock.h> -+#include <linux/rcupdate.h> -+ -+#include "limit_def.h" -+#include "sched_def.h" -+#include "cvirt_def.h" -+ -+struct vx_info { -+ struct hlist_node vx_hlist; /* linked list of contexts */ -+ xid_t vx_id; /* context id */ -+ atomic_t vx_usecnt; /* usage count */ -+ atomic_t vx_tasks; /* tasks count */ -+ struct vx_info *vx_parent; /* parent context */ -+ int vx_state; /* context state */ -+ -+ struct namespace *vx_namespace; /* private namespace */ -+ struct fs_struct *vx_fs; /* private namespace fs */ -+ uint64_t vx_flags; /* context flags */ -+ uint64_t vx_bcaps; /* bounding caps (system) */ -+ uint64_t vx_ccaps; /* context caps (vserver) */ -+ -+ struct task_struct *vx_reaper; /* guest reaper process */ -+ pid_t vx_initpid; /* PID of guest init */ -+ -+ struct _vx_limit limit; /* vserver limits */ -+ struct _vx_sched sched; /* vserver scheduler */ -+ struct _vx_cvirt cvirt; /* virtual/bias stuff */ -+ struct _vx_cacct cacct; /* context accounting */ -+ -+ wait_queue_head_t vx_wait; /* context exit waitqueue */ -+ int reboot_cmd; /* last sys_reboot() cmd */ -+ int exit_code; /* last process exit code */ -+ -+ char vx_name[65]; /* vserver name */ -+}; -+ -+ -+struct vx_info_save { -+ struct vx_info *vxi; -+ xid_t xid; -+}; -+ -+ -+/* status flags */ -+ -+#define VXS_HASHED 0x0001 -+#define VXS_PAUSED 0x0010 -+#define VXS_ONHOLD 0x0020 -+#define VXS_SHUTDOWN 0x0100 -+#define VXS_HELPER 0x1000 -+#define VXS_RELEASED 0x8000 -+ -+/* check conditions */ -+ -+#define VX_ADMIN 0x0001 -+#define VX_WATCH 0x0002 -+#define VX_HIDE 0x0004 -+#define VX_HOSTID 0x0008 -+ -+#define VX_IDENT 0x0010 -+#define VX_EQUIV 0x0020 -+#define VX_PARENT 0x0040 -+#define VX_CHILD 0x0080 -+ -+#define VX_ARG_MASK 0x00F0 -+ -+#define VX_DYNAMIC 0x0100 -+#define VX_STATIC 0x0200 -+ -+#define VX_ATR_MASK 0x0F00 -+ -+ -+extern void claim_vx_info(struct vx_info *, struct task_struct *); -+extern void release_vx_info(struct vx_info *, struct task_struct *); -+ -+extern struct vx_info *lookup_vx_info(int); -+extern struct vx_info *lookup_or_create_vx_info(int); -+ -+extern int get_xid_list(int, unsigned int *, int); -+extern int xid_is_hashed(xid_t); -+ -+extern int vx_migrate_task(struct task_struct *, struct vx_info *); -+ -+extern long vs_state_change(struct vx_info *, unsigned int); -+ -+ -+#endif /* __KERNEL__ */ -+#else /* _VX_CONTEXT_H */ -+#warning duplicate inclusion -+#endif /* _VX_CONTEXT_H */ -Index: linux-2.6.18/include/linux/vserver/context_cmd.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/include/linux/vserver/context_cmd.h -@@ -0,0 +1,84 @@ -+#ifndef _VX_CONTEXT_CMD_H -+#define _VX_CONTEXT_CMD_H -+ -+ -+/* vinfo commands */ -+ -+#define VCMD_task_xid VC_CMD(VINFO, 1, 0) -+ -+#ifdef __KERNEL__ -+extern int vc_task_xid(uint32_t, void __user *); -+ -+#endif /* __KERNEL__ */ -+ -+#define VCMD_vx_info VC_CMD(VINFO, 5, 0) -+ -+struct vcmd_vx_info_v0 { -+ uint32_t xid; -+ uint32_t initpid; -+ /* more to come */ -+}; -+ -+#ifdef __KERNEL__ -+extern int vc_vx_info(uint32_t, void __user *); -+ -+#endif /* __KERNEL__ */ -+ -+ -+/* context commands */ -+ -+#define VCMD_ctx_create_v0 VC_CMD(VPROC, 1, 0) -+#define VCMD_ctx_create VC_CMD(VPROC, 1, 1) -+ -+struct vcmd_ctx_create { -+ uint64_t flagword; -+}; -+ -+#define VCMD_ctx_migrate_v0 VC_CMD(PROCMIG, 1, 0) -+#define VCMD_ctx_migrate VC_CMD(PROCMIG, 1, 1) -+ -+struct vcmd_ctx_migrate { -+ uint64_t flagword; -+}; -+ -+#ifdef __KERNEL__ -+extern int vc_ctx_create(uint32_t, void __user *); -+extern int vc_ctx_migrate(uint32_t, void __user *); -+ -+#endif /* __KERNEL__ */ -+ -+ -+/* flag commands */ -+ -+#define VCMD_get_cflags VC_CMD(FLAGS, 1, 0) -+#define VCMD_set_cflags VC_CMD(FLAGS, 2, 0) -+ -+struct vcmd_ctx_flags_v0 { -+ uint64_t flagword; -+ uint64_t mask; -+}; -+ -+#ifdef __KERNEL__ -+extern int vc_get_cflags(uint32_t, void __user *); -+extern int vc_set_cflags(uint32_t, void __user *); -+ -+#endif /* __KERNEL__ */ -+ -+ -+/* context caps commands */ -+ -+#define VCMD_get_ccaps VC_CMD(FLAGS, 3, 0) -+#define VCMD_set_ccaps VC_CMD(FLAGS, 4, 0) -+ -+struct vcmd_ctx_caps_v0 { -+ uint64_t bcaps; -+ uint64_t ccaps; -+ uint64_t cmask; -+}; -+ -+#ifdef __KERNEL__ -+extern int vc_get_ccaps(uint32_t, void __user *); -+extern int vc_set_ccaps(uint32_t, void __user *); -+ -+#endif /* __KERNEL__ */ -+#endif /* _VX_CONTEXT_CMD_H */ -Index: linux-2.6.18/include/linux/vserver/cvirt.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/include/linux/vserver/cvirt.h -@@ -0,0 +1,26 @@ -+#ifndef _VX_CVIRT_H -+#define _VX_CVIRT_H -+ -+ -+#ifdef __KERNEL__ -+ -+struct timespec; -+ -+void vx_vsi_uptime(struct timespec *, struct timespec *); -+ -+ -+struct vx_info; -+ -+void vx_update_load(struct vx_info *); -+ -+ -+int vx_uts_virt_handler(struct ctl_table *ctl, int write, xid_t xid, -+ void **datap, size_t *lenp); -+ -+ -+int vx_do_syslog(int, char __user *, int); -+ -+#endif /* __KERNEL__ */ -+#else /* _VX_CVIRT_H */ -+#warning duplicate inclusion -+#endif /* _VX_CVIRT_H */ -Index: linux-2.6.18/include/linux/vserver/cvirt_cmd.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/include/linux/vserver/cvirt_cmd.h -@@ -0,0 +1,35 @@ -+#ifndef _VX_CVIRT_CMD_H -+#define _VX_CVIRT_CMD_H -+ -+ -+/* virtual host info name commands */ -+ -+#define VCMD_set_vhi_name VC_CMD(VHOST, 1, 0) -+#define VCMD_get_vhi_name VC_CMD(VHOST, 2, 0) -+ -+struct vcmd_vhi_name_v0 { -+ uint32_t field; -+ char name[65]; -+}; -+ -+ -+enum vhi_name_field { -+ VHIN_CONTEXT=0, -+ VHIN_SYSNAME, -+ VHIN_NODENAME, -+ VHIN_RELEASE, -+ VHIN_VERSION, -+ VHIN_MACHINE, -+ VHIN_DOMAINNAME, -+}; -+ -+ -+#ifdef __KERNEL__ -+ -+#include <linux/compiler.h> -+ -+extern int vc_set_vhi_name(uint32_t, void __user *); -+extern int vc_get_vhi_name(uint32_t, void __user *); -+ -+#endif /* __KERNEL__ */ -+#endif /* _VX_CVIRT_CMD_H */ -Index: linux-2.6.18/include/linux/vserver/cvirt_def.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/include/linux/vserver/cvirt_def.h -@@ -0,0 +1,77 @@ -+#ifndef _VX_CVIRT_DEF_H -+#define _VX_CVIRT_DEF_H -+ -+#include <linux/jiffies.h> -+#include <linux/utsname.h> -+#include <linux/spinlock.h> -+#include <linux/wait.h> -+#include <linux/time.h> -+#include <asm/atomic.h> -+ -+#include "cacct.h" -+ -+ -+struct _vx_usage_stat { -+ uint64_t user; -+ uint64_t nice; -+ uint64_t system; -+ uint64_t softirq; -+ uint64_t irq; -+ uint64_t idle; -+ uint64_t iowait; -+}; -+ -+struct _vx_syslog { -+ wait_queue_head_t log_wait; -+ spinlock_t logbuf_lock; /* lock for the log buffer */ -+ -+ unsigned long log_start; /* next char to be read by syslog() */ -+ unsigned long con_start; /* next char to be sent to consoles */ -+ unsigned long log_end; /* most-recently-written-char + 1 */ -+ unsigned long logged_chars; /* #chars since last read+clear operation */ -+ -+ char log_buf[1024]; -+}; -+ -+ -+/* context sub struct */ -+ -+struct _vx_cvirt { -+ int max_threads; /* maximum allowed threads */ -+ atomic_t nr_threads; /* number of current threads */ -+ atomic_t nr_running; /* number of running threads */ -+ atomic_t nr_uninterruptible; /* number of uninterruptible threads */ -+ -+ atomic_t nr_onhold; /* processes on hold */ -+ uint32_t onhold_last; /* jiffies when put on hold */ -+ -+ struct timespec bias_idle; -+ struct timespec bias_uptime; /* context creation point */ -+ uint64_t bias_clock; /* offset in clock_t */ -+ -+ struct new_utsname utsname; -+ -+ spinlock_t load_lock; /* lock for the load averages */ -+ atomic_t load_updates; /* nr of load updates done so far */ -+ uint32_t load_last; /* last time load was cacled */ -+ uint32_t load[3]; /* load averages 1,5,15 */ -+ -+ atomic_t total_forks; /* number of forks so far */ -+ -+ struct _vx_syslog syslog; -+}; -+ -+struct _vx_sock_acc { -+ atomic_t count; -+ atomic_t total; -+}; -+ -+/* context sub struct */ -+ -+struct _vx_cacct { -+ unsigned long total_forks; -+ -+ struct _vx_sock_acc sock[VXA_SOCK_SIZE][3]; -+}; -+ -+#endif /* _VX_CVIRT_DEF_H */ -Index: linux-2.6.18/include/linux/vserver/debug.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/include/linux/vserver/debug.h -@@ -0,0 +1,298 @@ -+#ifndef _VX_DEBUG_H -+#define _VX_DEBUG_H -+ -+ -+#define VXD_CBIT(n,m) (vx_debug_ ## n & (1 << (m))) -+#define VXD_CMIN(n,m) (vx_debug_ ## n > (m)) -+#define VXD_MASK(n,m) (vx_debug_ ## n & (m)) -+ -+#define VXD_QPOS(v,p) (((uint32_t)(v) >> ((p)*8)) & 0xFF) -+#define VXD_QUAD(v) VXD_QPOS(v,0), VXD_QPOS(v,1), \ -+ VXD_QPOS(v,2), VXD_QPOS(v,3) -+#define VXF_QUAD "%u.%u.%u.%u" -+ -+#define VXD_DEV(d) (d), (d)->bd_inode->i_ino, \ -+ imajor((d)->bd_inode), iminor((d)->bd_inode) -+#define VXF_DEV "%p[%lu,%d:%d]" -+ -+ -+#define __FUNC__ __func__ -+ -+ -+#ifdef CONFIG_VSERVER_DEBUG -+ -+extern unsigned int vx_debug_switch; -+extern unsigned int vx_debug_xid; -+extern unsigned int vx_debug_nid; -+extern unsigned int vx_debug_net; -+extern unsigned int vx_debug_limit; -+extern unsigned int vx_debug_cres; -+extern unsigned int vx_debug_dlim; -+extern unsigned int vx_debug_cvirt; -+extern unsigned int vx_debug_misc; -+ -+ -+#define VX_LOGLEVEL "vxD: " -+#define VX_WARNLEVEL KERN_WARNING "vxW: " -+ -+#define vxdprintk(c,f,x...) \ -+ do { \ -+ if (c) \ -+ printk(VX_LOGLEVEL f "\n" , ##x); \ -+ } while (0) -+ -+#define vxlprintk(c,f,x...) \ -+ do { \ -+ if (c) \ -+ printk(VX_LOGLEVEL f " @%s:%d\n", x); \ -+ } while (0) -+ -+#define vxfprintk(c,f,x...) \ -+ do { \ -+ if (c) \ -+ printk(VX_LOGLEVEL f " %s@%s:%d\n", x); \ -+ } while (0) -+ -+ -+#define vxwprintk(c,f,x...) \ -+ do { \ -+ if (c) \ -+ printk(VX_WARNLEVEL f "\n" , ##x); \ -+ } while (0) -+ -+#define vxd_path(d,m) \ -+ ({ static char _buffer[PATH_MAX]; \ -+ d_path((d), (m), _buffer, sizeof(_buffer)); }) -+ -+#define vxd_cond_path(n) \ -+ ((n) ? vxd_path((n)->dentry, (n)->mnt) : "<null>" ) -+ -+#else /* CONFIG_VSERVER_DEBUG */ -+ -+#define vx_debug_switch 0 -+#define vx_debug_xid 0 -+#define vx_debug_nid 0 -+#define vx_debug_net 0 -+#define vx_debug_limit 0 -+#define vx_debug_cres 0 -+#define vx_debug_dlim 0 -+#define vx_debug_cvirt 0 -+ -+#define vxdprintk(x...) do { } while (0) -+#define vxlprintk(x...) do { } while (0) -+#define vxfprintk(x...) do { } while (0) -+#define vxwprintk(x...) do { } while (0) -+ -+#define vxd_path "<none>" -+#define vxd_cond_path vxd_path -+ -+#endif /* CONFIG_VSERVER_DEBUG */ -+ -+ -+/* history stuff */ -+ -+#ifdef CONFIG_VSERVER_HISTORY -+ -+ -+extern unsigned volatile int vxh_active; -+ -+struct _vxhe_vxi { -+ struct vx_info *ptr; -+ unsigned xid; -+ unsigned usecnt; -+ unsigned tasks; -+}; -+ -+struct _vxhe_set_clr { -+ void *data; -+}; -+ -+struct _vxhe_loc_lookup { -+ unsigned arg; -+}; -+ -+enum { -+ VXH_UNUSED=0, -+ VXH_THROW_OOPS=1, -+ -+ VXH_GET_VX_INFO, -+ VXH_PUT_VX_INFO, -+ VXH_INIT_VX_INFO, -+ VXH_SET_VX_INFO, -+ VXH_CLR_VX_INFO, -+ VXH_CLAIM_VX_INFO, -+ VXH_RELEASE_VX_INFO, -+ VXH_ALLOC_VX_INFO, -+ VXH_DEALLOC_VX_INFO, -+ VXH_HASH_VX_INFO, -+ VXH_UNHASH_VX_INFO, -+ VXH_LOC_VX_INFO, -+ VXH_LOOKUP_VX_INFO, -+ VXH_CREATE_VX_INFO, -+}; -+ -+struct _vx_hist_entry { -+ void *loc; -+ unsigned short seq; -+ unsigned short type; -+ struct _vxhe_vxi vxi; -+ union { -+ struct _vxhe_set_clr sc; -+ struct _vxhe_loc_lookup ll; -+ }; -+}; -+ -+struct _vx_hist_entry *vxh_advance(void *loc); -+ -+ -+static inline -+void __vxh_copy_vxi(struct _vx_hist_entry *entry, struct vx_info *vxi) -+{ -+ entry->vxi.ptr = vxi; -+ if (vxi) { -+ entry->vxi.usecnt = atomic_read(&vxi->vx_usecnt); -+ entry->vxi.tasks = atomic_read(&vxi->vx_tasks); -+ entry->vxi.xid = vxi->vx_id; -+ } -+} -+ -+ -+#define __HERE__ current_text_addr() -+ -+#define __VXH_BODY(__type, __data, __here) \ -+ struct _vx_hist_entry *entry; \ -+ \ -+ preempt_disable(); \ -+ entry = vxh_advance(__here); \ -+ __data; \ -+ entry->type = __type; \ -+ preempt_enable(); -+ -+ -+ /* pass vxi only */ -+ -+#define __VXH_SMPL \ -+ __vxh_copy_vxi(entry, vxi) -+ -+static inline -+void __vxh_smpl(struct vx_info *vxi, int __type, void *__here) -+{ -+ __VXH_BODY(__type, __VXH_SMPL, __here) -+} -+ -+ /* pass vxi and data (void *) */ -+ -+#define __VXH_DATA \ -+ __vxh_copy_vxi(entry, vxi); \ -+ entry->sc.data = data -+ -+static inline -+void __vxh_data(struct vx_info *vxi, void *data, -+ int __type, void *__here) -+{ -+ __VXH_BODY(__type, __VXH_DATA, __here) -+} -+ -+ /* pass vxi and arg (long) */ -+ -+#define __VXH_LONG \ -+ __vxh_copy_vxi(entry, vxi); \ -+ entry->ll.arg = arg -+ -+static inline -+void __vxh_long(struct vx_info *vxi, long arg, -+ int __type, void *__here) -+{ -+ __VXH_BODY(__type, __VXH_LONG, __here) -+} -+ -+ -+static inline -+void __vxh_throw_oops(void *__here) -+{ -+ __VXH_BODY(VXH_THROW_OOPS, {}, __here); -+ /* prevent further acquisition */ -+ vxh_active = 0; -+} -+ -+ -+#define vxh_throw_oops() __vxh_throw_oops(__HERE__); -+ -+#define __vxh_get_vx_info(v,h) __vxh_smpl(v, VXH_GET_VX_INFO, h); -+#define __vxh_put_vx_info(v,h) __vxh_smpl(v, VXH_PUT_VX_INFO, h); -+ -+#define __vxh_init_vx_info(v,d,h) \ -+ __vxh_data(v,d, VXH_INIT_VX_INFO, h); -+#define __vxh_set_vx_info(v,d,h) \ -+ __vxh_data(v,d, VXH_SET_VX_INFO, h); -+#define __vxh_clr_vx_info(v,d,h) \ -+ __vxh_data(v,d, VXH_CLR_VX_INFO, h); -+ -+#define __vxh_claim_vx_info(v,d,h) \ -+ __vxh_data(v,d, VXH_CLAIM_VX_INFO, h); -+#define __vxh_release_vx_info(v,d,h) \ -+ __vxh_data(v,d, VXH_RELEASE_VX_INFO, h); -+ -+#define vxh_alloc_vx_info(v) \ -+ __vxh_smpl(v, VXH_ALLOC_VX_INFO, __HERE__); -+#define vxh_dealloc_vx_info(v) \ -+ __vxh_smpl(v, VXH_DEALLOC_VX_INFO, __HERE__); -+ -+#define vxh_hash_vx_info(v) \ -+ __vxh_smpl(v, VXH_HASH_VX_INFO, __HERE__); -+#define vxh_unhash_vx_info(v) \ -+ __vxh_smpl(v, VXH_UNHASH_VX_INFO, __HERE__); -+ -+#define vxh_loc_vx_info(v,l) \ -+ __vxh_long(v,l, VXH_LOC_VX_INFO, __HERE__); -+#define vxh_lookup_vx_info(v,l) \ -+ __vxh_long(v,l, VXH_LOOKUP_VX_INFO, __HERE__); -+#define vxh_create_vx_info(v,l) \ -+ __vxh_long(v,l, VXH_CREATE_VX_INFO, __HERE__); -+ -+extern void vxh_dump_history(void); -+ -+ -+#else /* CONFIG_VSERVER_HISTORY */ -+ -+#define __HERE__ 0 -+ -+#define vxh_throw_oops() do { } while (0) -+ -+#define __vxh_get_vx_info(v,h) do { } while (0) -+#define __vxh_put_vx_info(v,h) do { } while (0) -+ -+#define __vxh_init_vx_info(v,d,h) do { } while (0) -+#define __vxh_set_vx_info(v,d,h) do { } while (0) -+#define __vxh_clr_vx_info(v,d,h) do { } while (0) -+ -+#define __vxh_claim_vx_info(v,d,h) do { } while (0) -+#define __vxh_release_vx_info(v,d,h) do { } while (0) -+ -+#define vxh_alloc_vx_info(v) do { } while (0) -+#define vxh_dealloc_vx_info(v) do { } while (0) -+ -+#define vxh_hash_vx_info(v) do { } while (0) -+#define vxh_unhash_vx_info(v) do { } while (0) -+ -+#define vxh_loc_vx_info(a,v) do { } while (0) -+#define vxh_lookup_vx_info(a,v) do { } while (0) -+#define vxh_create_vx_info(a,v) do { } while (0) -+ -+#define vxh_dump_history() do { } while (0) -+ -+ -+#endif /* CONFIG_VSERVER_HISTORY */ -+ -+ -+#ifdef CONFIG_VSERVER_DEBUG -+#define vxd_assert_lock(l) assert_spin_locked(l) -+#define vxd_assert(c,f,x...) vxlprintk(!(c), \ -+ "assertion [" f "] failed.", ##x, __FILE__, __LINE__) -+#else -+#define vxd_assert_lock(l) do { } while (0) -+#define vxd_assert(c,f,x...) do { } while (0) -+#endif -+ -+ -+#endif /* _VX_DEBUG_H */ -Index: linux-2.6.18/include/linux/vserver/debug_cmd.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/include/linux/vserver/debug_cmd.h -@@ -0,0 +1,14 @@ -+#ifndef _VX_DEBUG_CMD_H -+#define _VX_DEBUG_CMD_H -+ -+ -+/* debug commands */ -+ -+#define VCMD_dump_history VC_CMD(DEBUG, 1, 0) -+ -+#ifdef __KERNEL__ -+ -+extern int vc_dump_history(uint32_t); -+ -+#endif /* __KERNEL__ */ -+#endif /* _VX_DEBUG_CMD_H */ -Index: linux-2.6.18/include/linux/vserver/dlimit.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/include/linux/vserver/dlimit.h -@@ -0,0 +1,53 @@ -+#ifndef _VX_DLIMIT_H -+#define _VX_DLIMIT_H -+ -+#include "switch.h" -+ -+#define CDLIM_UNSET (0ULL) -+#define CDLIM_INFINITY (~0ULL) -+#define CDLIM_KEEP (~1ULL) -+ -+ -+#ifdef __KERNEL__ -+ -+#include <linux/spinlock.h> -+ -+struct super_block; -+ -+struct dl_info { -+ struct hlist_node dl_hlist; /* linked list of contexts */ -+ struct rcu_head dl_rcu; /* the rcu head */ -+ xid_t dl_xid; /* context id */ -+ atomic_t dl_usecnt; /* usage count */ -+ atomic_t dl_refcnt; /* reference count */ -+ -+ struct super_block *dl_sb; /* associated superblock */ -+ -+ spinlock_t dl_lock; /* protect the values */ -+ -+ uint64_t dl_space_used; /* used space in bytes */ -+ uint64_t dl_space_total; /* maximum space in bytes */ -+ uint32_t dl_inodes_used; /* used inodes */ -+ uint32_t dl_inodes_total; /* maximum inodes */ -+ -+ unsigned int dl_nrlmult; /* non root limit mult */ -+}; -+ -+struct rcu_head; -+ -+extern void rcu_free_dl_info(struct rcu_head *); -+extern void unhash_dl_info(struct dl_info *); -+ -+extern struct dl_info *locate_dl_info(struct super_block *, xid_t); -+ -+ -+struct kstatfs; -+ -+extern void vx_vsi_statfs(struct super_block *, struct kstatfs *); -+ -+typedef uint64_t dlsize_t; -+ -+#endif /* __KERNEL__ */ -+#else /* _VX_DLIMIT_H */ -+#warning duplicate inclusion -+#endif /* _VX_DLIMIT_H */ -Index: linux-2.6.18/include/linux/vserver/dlimit_cmd.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/include/linux/vserver/dlimit_cmd.h -@@ -0,0 +1,71 @@ -+#ifndef _VX_DLIMIT_CMD_H -+#define _VX_DLIMIT_CMD_H -+ -+ -+/* dlimit vserver commands */ -+ -+#define VCMD_add_dlimit VC_CMD(DLIMIT, 1, 0) -+#define VCMD_rem_dlimit VC_CMD(DLIMIT, 2, 0) -+ -+#define VCMD_set_dlimit VC_CMD(DLIMIT, 5, 0) -+#define VCMD_get_dlimit VC_CMD(DLIMIT, 6, 0) -+ -+struct vcmd_ctx_dlimit_base_v0 { -+ const char __user *name; -+ uint32_t flags; -+}; -+ -+struct vcmd_ctx_dlimit_v0 { -+ const char __user *name; -+ uint32_t space_used; /* used space in kbytes */ -+ uint32_t space_total; /* maximum space in kbytes */ -+ uint32_t inodes_used; /* used inodes */ -+ uint32_t inodes_total; /* maximum inodes */ -+ uint32_t reserved; /* reserved for root in % */ -+ uint32_t flags; -+}; -+ -+ -+#ifdef __KERNEL__ -+ -+#ifdef CONFIG_COMPAT -+ -+#include <asm/compat.h> -+ -+struct vcmd_ctx_dlimit_base_v0_x32 { -+ compat_uptr_t name_ptr; -+ uint32_t flags; -+}; -+ -+struct vcmd_ctx_dlimit_v0_x32 { -+ compat_uptr_t name_ptr; -+ uint32_t space_used; /* used space in kbytes */ -+ uint32_t space_total; /* maximum space in kbytes */ -+ uint32_t inodes_used; /* used inodes */ -+ uint32_t inodes_total; /* maximum inodes */ -+ uint32_t reserved; /* reserved for root in % */ -+ uint32_t flags; -+}; -+ -+#endif /* CONFIG_COMPAT */ -+ -+#include <linux/compiler.h> -+ -+extern int vc_add_dlimit(uint32_t, void __user *); -+extern int vc_rem_dlimit(uint32_t, void __user *); -+ -+extern int vc_set_dlimit(uint32_t, void __user *); -+extern int vc_get_dlimit(uint32_t, void __user *); -+ -+#ifdef CONFIG_COMPAT -+ -+extern int vc_add_dlimit_x32(uint32_t, void __user *); -+extern int vc_rem_dlimit_x32(uint32_t, void __user *); -+ -+extern int vc_set_dlimit_x32(uint32_t, void __user *); -+extern int vc_get_dlimit_x32(uint32_t, void __user *); -+ -+#endif /* CONFIG_COMPAT */ -+ -+#endif /* __KERNEL__ */ -+#endif /* _VX_DLIMIT_CMD_H */ -Index: linux-2.6.18/include/linux/vserver/inode.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/include/linux/vserver/inode.h -@@ -0,0 +1,38 @@ -+#ifndef _VX_INODE_H -+#define _VX_INODE_H -+ -+ -+#define IATTR_XID 0x01000000 -+ -+#define IATTR_ADMIN 0x00000001 -+#define IATTR_WATCH 0x00000002 -+#define IATTR_HIDE 0x00000004 -+#define IATTR_FLAGS 0x00000007 -+ -+#define IATTR_BARRIER 0x00010000 -+#define IATTR_IUNLINK 0x00020000 -+#define IATTR_IMMUTABLE 0x00040000 -+ -+#ifdef __KERNEL__ -+ -+ -+#ifdef CONFIG_VSERVER_PROC_SECURE -+#define IATTR_PROC_DEFAULT ( IATTR_ADMIN | IATTR_HIDE ) -+#define IATTR_PROC_SYMLINK ( IATTR_ADMIN ) -+#else -+#define IATTR_PROC_DEFAULT ( IATTR_ADMIN ) -+#define IATTR_PROC_SYMLINK ( IATTR_ADMIN ) -+#endif -+ -+#define vx_hide_check(c,m) (((m) & IATTR_HIDE) ? vx_check(c,m) : 1) -+ -+#endif /* __KERNEL__ */ -+ -+/* inode ioctls */ -+ -+#define FIOC_GETXFLG _IOR('x', 5, long) -+#define FIOC_SETXFLG _IOW('x', 6, long) -+ -+#else /* _VX_INODE_H */ -+#warning duplicate inclusion -+#endif /* _VX_INODE_H */ -Index: linux-2.6.18/include/linux/vserver/inode_cmd.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/include/linux/vserver/inode_cmd.h -@@ -0,0 +1,61 @@ -+#ifndef _VX_INODE_CMD_H -+#define _VX_INODE_CMD_H -+ -+ -+/* inode vserver commands */ -+ -+#define VCMD_get_iattr_v0 VC_CMD(INODE, 1, 0) -+#define VCMD_set_iattr_v0 VC_CMD(INODE, 2, 0) -+ -+#define VCMD_get_iattr VC_CMD(INODE, 1, 1) -+#define VCMD_set_iattr VC_CMD(INODE, 2, 1) -+ -+struct vcmd_ctx_iattr_v0 { -+ /* device handle in id */ -+ uint64_t ino; -+ uint32_t xid; -+ uint32_t flags; -+ uint32_t mask; -+}; -+ -+struct vcmd_ctx_iattr_v1 { -+ const char __user *name; -+ uint32_t xid; -+ uint32_t flags; -+ uint32_t mask; -+}; -+ -+ -+#ifdef __KERNEL__ -+ -+ -+#ifdef CONFIG_COMPAT -+ -+#include <asm/compat.h> -+ -+struct vcmd_ctx_iattr_v1_x32 { -+ compat_uptr_t name_ptr; -+ uint32_t xid; -+ uint32_t flags; -+ uint32_t mask; -+}; -+ -+#endif /* CONFIG_COMPAT */ -+ -+#include <linux/compiler.h> -+ -+extern int vc_get_iattr_v0(uint32_t, void __user *); -+extern int vc_set_iattr_v0(uint32_t, void __user *); -+ -+extern int vc_get_iattr(uint32_t, void __user *); -+extern int vc_set_iattr(uint32_t, void __user *); -+ -+#ifdef CONFIG_COMPAT -+ -+extern int vc_get_iattr_x32(uint32_t, void __user *); -+extern int vc_set_iattr_x32(uint32_t, void __user *); -+ -+#endif /* CONFIG_COMPAT */ -+ -+#endif /* __KERNEL__ */ -+#endif /* _VX_INODE_CMD_H */ -Index: linux-2.6.18/include/linux/vserver/legacy.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/include/linux/vserver/legacy.h -@@ -0,0 +1,49 @@ -+#ifndef _VX_LEGACY_H -+#define _VX_LEGACY_H -+ -+#include "switch.h" -+ -+ -+/* compatibiliy vserver commands */ -+ -+#define VCMD_new_s_context VC_CMD(COMPAT, 1, 1) -+#define VCMD_set_ipv4root VC_CMD(COMPAT, 2, 3) -+ -+#define VCMD_create_context VC_CMD(VSETUP, 1, 0) -+ -+/* compatibiliy vserver arguments */ -+ -+struct vcmd_new_s_context_v1 { -+ uint32_t remove_cap; -+ uint32_t flags; -+}; -+ -+struct vcmd_set_ipv4root_v3 { -+ /* number of pairs in id */ -+ uint32_t broadcast; -+ struct { -+ uint32_t ip; -+ uint32_t mask; -+ } nx_mask_pair[NB_IPV4ROOT]; -+}; -+ -+ -+#define VX_INFO_LOCK 1 /* Can't request a new vx_id */ -+#define VX_INFO_NPROC 4 /* Limit number of processes in a context */ -+#define VX_INFO_PRIVATE 8 /* Noone can join this security context */ -+#define VX_INFO_INIT 16 /* This process wants to become the */ -+ /* logical process 1 of the security */ -+ /* context */ -+#define VX_INFO_HIDEINFO 32 /* Hide some information in /proc */ -+#define VX_INFO_ULIMIT 64 /* Use ulimit of the current process */ -+ /* to become the global limits */ -+ /* of the context */ -+#define VX_INFO_NAMESPACE 128 /* save private namespace */ -+ -+ -+#ifdef __KERNEL__ -+extern int vc_new_s_context(uint32_t, void __user *); -+extern int vc_set_ipv4root(uint32_t, void __user *); -+ -+#endif /* __KERNEL__ */ -+#endif /* _VX_LEGACY_H */ -Index: linux-2.6.18/include/linux/vserver/limit.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/include/linux/vserver/limit.h -@@ -0,0 +1,20 @@ -+#ifndef _VX_LIMIT_H -+#define _VX_LIMIT_H -+ -+ -+#define VLIMIT_NSOCK 16 -+#define VLIMIT_OPENFD 17 -+#define VLIMIT_ANON 18 -+#define VLIMIT_SHMEM 19 -+ -+#ifdef __KERNEL__ -+ -+struct sysinfo; -+ -+void vx_vsi_meminfo(struct sysinfo *); -+void vx_vsi_swapinfo(struct sysinfo *); -+ -+#define NUM_LIMITS 24 -+ -+#endif /* __KERNEL__ */ -+#endif /* _VX_LIMIT_H */ -Index: linux-2.6.18/include/linux/vserver/limit_cmd.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/include/linux/vserver/limit_cmd.h -@@ -0,0 +1,55 @@ -+#ifndef _VX_LIMIT_CMD_H -+#define _VX_LIMIT_CMD_H -+ -+ -+/* rlimit vserver commands */ -+ -+#define VCMD_get_rlimit VC_CMD(RLIMIT, 1, 0) -+#define VCMD_set_rlimit VC_CMD(RLIMIT, 2, 0) -+#define VCMD_get_rlimit_mask VC_CMD(RLIMIT, 3, 0) -+ -+struct vcmd_ctx_rlimit_v0 { -+ uint32_t id; -+ uint64_t minimum; -+ uint64_t softlimit; -+ uint64_t maximum; -+}; -+ -+struct vcmd_ctx_rlimit_mask_v0 { -+ uint32_t minimum; -+ uint32_t softlimit; -+ uint32_t maximum; -+}; -+ -+#define CRLIM_UNSET (0ULL) -+#define CRLIM_INFINITY (~0ULL) -+#define CRLIM_KEEP (~1ULL) -+ -+#ifdef __KERNEL__ -+ -+#ifdef CONFIG_IA32_EMULATION -+ -+struct vcmd_ctx_rlimit_v0_x32 { -+ uint32_t id; -+ uint64_t minimum; -+ uint64_t softlimit; -+ uint64_t maximum; -+} __attribute__ ((aligned (4))); -+ -+#endif /* CONFIG_IA32_EMULATION */ -+ -+#include <linux/compiler.h> -+ -+extern int vc_get_rlimit(uint32_t, void __user *); -+extern int vc_set_rlimit(uint32_t, void __user *); -+extern int vc_get_rlimit_mask(uint32_t, void __user *); -+ -+#ifdef CONFIG_IA32_EMULATION -+ -+extern int vc_get_rlimit_x32(uint32_t, void __user *); -+extern int vc_set_rlimit_x32(uint32_t, void __user *); -+ -+#endif /* CONFIG_IA32_EMULATION */ -+ -+#endif /* __KERNEL__ */ -+#endif /* _VX_LIMIT_CMD_H */ -Index: linux-2.6.18/include/linux/vserver/limit_def.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/include/linux/vserver/limit_def.h -@@ -0,0 +1,22 @@ -+#ifndef _VX_LIMIT_DEF_H -+#define _VX_LIMIT_DEF_H -+ -+#include <asm/atomic.h> -+#include <asm/resource.h> -+ -+#include "limit.h" -+ -+ -+/* context sub struct */ -+ -+struct _vx_limit { -+ atomic_t ticks; -+ -+ unsigned long rlim[NUM_LIMITS]; /* Context limit */ -+ unsigned long rmax[NUM_LIMITS]; /* Context maximum */ -+ atomic_t rcur[NUM_LIMITS]; /* Current value */ -+ atomic_t lhit[NUM_LIMITS]; /* Limit hits */ -+}; -+ -+ -+#endif /* _VX_LIMIT_DEF_H */ -Index: linux-2.6.18/include/linux/vserver/limit_int.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/include/linux/vserver/limit_int.h -@@ -0,0 +1,76 @@ -+#ifndef _VX_LIMIT_INT_H -+#define _VX_LIMIT_INT_H -+ -+ -+#ifdef __KERNEL__ -+ -+#define VXD_RCRES(r) VXD_CBIT(cres, (r)) -+#define VXD_RLIMIT(r) VXD_CBIT(limit, (r)) -+ -+extern const char *vlimit_name[NUM_LIMITS]; -+ -+static inline void __vx_acc_cres(struct vx_info *vxi, -+ int res, int dir, void *_data, char *_file, int _line) -+{ -+ if (VXD_RCRES(res)) -+ vxlprintk(1, "vx_acc_cres[%5d,%s,%2d]: %5d%s (%p)", -+ (vxi ? vxi->vx_id : -1), vlimit_name[res], res, -+ (vxi ? atomic_read(&vxi->limit.rcur[res]) : 0), -+ (dir > 0) ? "++" : "--", _data, _file, _line); -+ if (!vxi) -+ return; -+ -+ if (dir > 0) -+ atomic_inc(&vxi->limit.rcur[res]); -+ else -+ atomic_dec(&vxi->limit.rcur[res]); -+} -+ -+static inline void __vx_add_cres(struct vx_info *vxi, -+ int res, int amount, void *_data, char *_file, int _line) -+{ -+ if (VXD_RCRES(res)) -+ vxlprintk(1, "vx_add_cres[%5d,%s,%2d]: %5d += %5d (%p)", -+ (vxi ? vxi->vx_id : -1), vlimit_name[res], res, -+ (vxi ? atomic_read(&vxi->limit.rcur[res]) : 0), -+ amount, _data, _file, _line); -+ if (amount == 0) -+ return; -+ if (!vxi) -+ return; -+ atomic_add(amount, &vxi->limit.rcur[res]); -+} -+ -+static inline int __vx_cres_avail(struct vx_info *vxi, -+ int res, int num, char *_file, int _line) -+{ -+ unsigned long value; -+ -+ if (VXD_RLIMIT(res)) -+ vxlprintk(1, "vx_cres_avail[%5d,%s,%2d]: %5ld > %5d + %5d", -+ (vxi ? vxi->vx_id : -1), vlimit_name[res], res, -+ (vxi ? vxi->limit.rlim[res] : 1), -+ (vxi ? atomic_read(&vxi->limit.rcur[res]) : 0), -+ num, _file, _line); -+ if (num == 0) -+ return 1; -+ if (!vxi) -+ return 1; -+ -+ value = atomic_read(&vxi->limit.rcur[res]); -+ -+ if (value > vxi->limit.rmax[res]) -+ vxi->limit.rmax[res] = value; -+ -+ if (vxi->limit.rlim[res] == RLIM_INFINITY) -+ return 1; -+ -+ if (value + num <= vxi->limit.rlim[res]) -+ return 1; -+ -+ atomic_inc(&vxi->limit.lhit[res]); -+ return 0; -+} -+ -+#endif /* __KERNEL__ */ -+#endif /* _VX_LIMIT_H */ -Index: linux-2.6.18/include/linux/vserver/namespace.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/include/linux/vserver/namespace.h -@@ -0,0 +1,15 @@ -+#ifndef _VX_NAMESPACE_H -+#define _VX_NAMESPACE_H -+ -+ -+#include <linux/types.h> -+ -+struct vx_info; -+struct namespace; -+struct fs_struct; -+ -+extern int vx_set_namespace(struct vx_info *, struct namespace *, struct fs_struct *); -+ -+#else /* _VX_NAMESPACE_H */ -+#warning duplicate inclusion -+#endif /* _VX_NAMESPACE_H */ -Index: linux-2.6.18/include/linux/vserver/namespace_cmd.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/include/linux/vserver/namespace_cmd.h -@@ -0,0 +1,17 @@ -+#ifndef _VX_NAMESPACE_CMD_H -+#define _VX_NAMESPACE_CMD_H -+ -+ -+#define VCMD_enter_namespace VC_CMD(PROCALT, 1, 0) -+ -+#define VCMD_set_namespace_v0 VC_CMD(PROCALT, 3, 0) -+#define VCMD_set_namespace VC_CMD(PROCALT, 3, 1) -+ -+ -+#ifdef __KERNEL__ -+ -+extern int vc_enter_namespace(uint32_t, void __user *); -+extern int vc_set_namespace(uint32_t, void __user *); -+ -+#endif /* __KERNEL__ */ -+#endif /* _VX_NAMESPACE_CMD_H */ -Index: linux-2.6.18/include/linux/vserver/network.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/include/linux/vserver/network.h -@@ -0,0 +1,121 @@ -+#ifndef _VX_NETWORK_H -+#define _VX_NETWORK_H -+ -+#include <linux/types.h> -+ -+ -+#define MAX_N_CONTEXT 65535 /* Arbitrary limit */ -+ -+#define NX_DYNAMIC_ID ((uint32_t)-1) /* id for dynamic context */ -+ -+#define NB_IPV4ROOT 16 -+ -+ -+/* network flags */ -+ -+#define NXF_INFO_PRIVATE 0x00000008 -+ -+#define NXF_STATE_SETUP (1ULL<<32) -+ -+#define NXF_SC_HELPER (1ULL<<36) -+#define NXF_PERSISTENT (1ULL<<38) -+ -+#define NXF_ONE_TIME (0x0001ULL<<32) -+ -+#define NXF_INIT_SET (0) -+ -+ -+/* address types */ -+ -+#define NXA_TYPE_IPV4 1 -+#define NXA_TYPE_IPV6 2 -+ -+#define NXA_MOD_BCAST (1<<8) -+ -+#define NXA_TYPE_ANY ((uint16_t)-1) -+ -+ -+#ifdef __KERNEL__ -+ -+#include <linux/list.h> -+#include <linux/spinlock.h> -+#include <linux/rcupdate.h> -+#include <asm/atomic.h> -+ -+ -+struct nx_info { -+ struct hlist_node nx_hlist; /* linked list of nxinfos */ -+ nid_t nx_id; /* vnet id */ -+ atomic_t nx_usecnt; /* usage count */ -+ atomic_t nx_tasks; /* tasks count */ -+ int nx_state; /* context state */ -+ -+ uint64_t nx_flags; /* network flag word */ -+ uint64_t nx_ncaps; /* network capabilities */ -+ -+ int nbipv4; -+ __u32 ipv4[NB_IPV4ROOT]; /* Process can only bind to these IPs */ -+ /* The first one is used to connect */ -+ /* and for bind any service */ -+ /* The other must be used explicity */ -+ __u32 mask[NB_IPV4ROOT]; /* Netmask for each ipv4 */ -+ /* Used to select the proper source */ -+ /* address for sockets */ -+ __u32 v4_bcast; /* Broadcast address to receive UDP */ -+ -+ char nx_name[65]; /* network context name */ -+}; -+ -+ -+/* status flags */ -+ -+#define NXS_HASHED 0x0001 -+#define NXS_SHUTDOWN 0x0100 -+#define NXS_RELEASED 0x8000 -+ -+extern struct nx_info *lookup_nx_info(int); -+ -+extern int get_nid_list(int, unsigned int *, int); -+extern int nid_is_hashed(nid_t); -+ -+extern int nx_migrate_task(struct task_struct *, struct nx_info *); -+ -+extern long vs_net_change(struct nx_info *, unsigned int); -+ -+struct in_ifaddr; -+struct net_device; -+ -+#ifdef CONFIG_INET -+int ifa_in_nx_info(struct in_ifaddr *, struct nx_info *); -+int dev_in_nx_info(struct net_device *, struct nx_info *); -+ -+#else /* CONFIG_INET */ -+static inline -+int ifa_in_nx_info(struct in_ifaddr *a, struct nx_info *n) -+{ -+ return 1; -+} -+ -+static inline -+int dev_in_nx_info(struct net_device *d, struct nx_info *n) -+{ -+ return 1; -+} -+#endif /* CONFIG_INET */ -+ -+struct sock; -+ -+#ifdef CONFIG_INET -+int nx_addr_conflict(struct nx_info *, uint32_t, struct sock *); -+#else /* CONFIG_INET */ -+static inline -+int nx_addr_conflict(struct nx_info *n, uint32_t a, struct sock *s) -+{ -+ return 1; -+} -+#endif /* CONFIG_INET */ -+ -+#endif /* __KERNEL__ */ -+#else /* _VX_NETWORK_H */ -+#warning duplicate inclusion -+#endif /* _VX_NETWORK_H */ -Index: linux-2.6.18/include/linux/vserver/network_cmd.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/include/linux/vserver/network_cmd.h -@@ -0,0 +1,89 @@ -+#ifndef _VX_NETWORK_CMD_H -+#define _VX_NETWORK_CMD_H -+ -+ -+/* vinfo commands */ -+ -+#define VCMD_task_nid VC_CMD(VINFO, 2, 0) -+ -+#ifdef __KERNEL__ -+extern int vc_task_nid(uint32_t, void __user *); -+ -+#endif /* __KERNEL__ */ -+ -+#define VCMD_nx_info VC_CMD(VINFO, 6, 0) -+ -+struct vcmd_nx_info_v0 { -+ uint32_t nid; -+ /* more to come */ -+}; -+ -+#ifdef __KERNEL__ -+extern int vc_nx_info(uint32_t, void __user *); -+ -+#endif /* __KERNEL__ */ -+ -+#define VCMD_net_create_v0 VC_CMD(VNET, 1, 0) -+#define VCMD_net_create VC_CMD(VNET, 1, 1) -+ -+struct vcmd_net_create { -+ uint64_t flagword; -+}; -+ -+#define VCMD_net_migrate VC_CMD(NETMIG, 1, 0) -+ -+#define VCMD_net_add VC_CMD(NETALT, 1, 0) -+#define VCMD_net_remove VC_CMD(NETALT, 2, 0) -+ -+struct vcmd_net_addr_v0 { -+ uint16_t type; -+ uint16_t count; -+ uint32_t ip[4]; -+ uint32_t mask[4]; -+ /* more to come */ -+}; -+ -+ -+#ifdef __KERNEL__ -+extern int vc_net_create(uint32_t, void __user *); -+extern int vc_net_migrate(uint32_t, void __user *); -+ -+extern int vc_net_add(uint32_t, void __user *); -+extern int vc_net_remove(uint32_t, void __user *); -+ -+#endif /* __KERNEL__ */ -+ -+ -+/* flag commands */ -+ -+#define VCMD_get_nflags VC_CMD(FLAGS, 5, 0) -+#define VCMD_set_nflags VC_CMD(FLAGS, 6, 0) -+ -+struct vcmd_net_flags_v0 { -+ uint64_t flagword; -+ uint64_t mask; -+}; -+ -+#ifdef __KERNEL__ -+extern int vc_get_nflags(uint32_t, void __user *); -+extern int vc_set_nflags(uint32_t, void __user *); -+ -+#endif /* __KERNEL__ */ -+ -+ -+/* network caps commands */ -+ -+#define VCMD_get_ncaps VC_CMD(FLAGS, 7, 0) -+#define VCMD_set_ncaps VC_CMD(FLAGS, 8, 0) -+ -+struct vcmd_net_caps_v0 { -+ uint64_t ncaps; -+ uint64_t cmask; -+}; -+ -+#ifdef __KERNEL__ -+extern int vc_get_ncaps(uint32_t, void __user *); -+extern int vc_set_ncaps(uint32_t, void __user *); -+ -+#endif /* __KERNEL__ */ -+#endif /* _VX_CONTEXT_CMD_H */ -Index: linux-2.6.18/include/linux/vserver/sched.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/include/linux/vserver/sched.h -@@ -0,0 +1,26 @@ -+#ifndef _VX_SCHED_H -+#define _VX_SCHED_H -+ -+ -+#ifdef __KERNEL__ -+ -+struct timespec; -+ -+void vx_vsi_uptime(struct timespec *, struct timespec *); -+ -+ -+struct vx_info; -+ -+void vx_update_load(struct vx_info *); -+ -+ -+struct task_struct; -+ -+int vx_effective_vavavoom(struct vx_info *, int); -+ -+int vx_tokens_recalc(struct vx_info *); -+ -+#endif /* __KERNEL__ */ -+#else /* _VX_SCHED_H */ -+#warning duplicate inclusion -+#endif /* _VX_SCHED_H */ -Index: linux-2.6.18/include/linux/vserver/sched_cmd.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/include/linux/vserver/sched_cmd.h -@@ -0,0 +1,48 @@ -+#ifndef _VX_SCHED_CMD_H -+#define _VX_SCHED_CMD_H -+ -+ -+/* sched vserver commands */ -+ -+#define VCMD_set_sched_v2 VC_CMD(SCHED, 1, 2) -+#define VCMD_set_sched VC_CMD(SCHED, 1, 3) -+ -+struct vcmd_set_sched_v2 { -+ int32_t fill_rate; -+ int32_t interval; -+ int32_t tokens; -+ int32_t tokens_min; -+ int32_t tokens_max; -+ uint64_t cpu_mask; -+}; -+ -+struct vcmd_set_sched_v3 { -+ uint32_t set_mask; -+ int32_t fill_rate; -+ int32_t interval; -+ int32_t tokens; -+ int32_t tokens_min; -+ int32_t tokens_max; -+ int32_t priority_bias; -+}; -+ -+ -+#define VXSM_FILL_RATE 0x0001 -+#define VXSM_INTERVAL 0x0002 -+#define VXSM_TOKENS 0x0010 -+#define VXSM_TOKENS_MIN 0x0020 -+#define VXSM_TOKENS_MAX 0x0040 -+#define VXSM_PRIO_BIAS 0x0100 -+ -+#define SCHED_KEEP (-2) -+ -+#ifdef __KERNEL__ -+ -+#include <linux/compiler.h> -+ -+extern int vc_set_sched_v1(uint32_t, void __user *); -+extern int vc_set_sched_v2(uint32_t, void __user *); -+extern int vc_set_sched(uint32_t, void __user *); -+ -+#endif /* __KERNEL__ */ -+#endif /* _VX_SCHED_CMD_H */ -Index: linux-2.6.18/include/linux/vserver/sched_def.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/include/linux/vserver/sched_def.h -@@ -0,0 +1,38 @@ -+#ifndef _VX_SCHED_DEF_H -+#define _VX_SCHED_DEF_H -+ -+#include <linux/spinlock.h> -+#include <linux/jiffies.h> -+#include <linux/cpumask.h> -+#include <asm/atomic.h> -+#include <asm/param.h> -+ -+ -+struct _vx_ticks { -+ uint64_t user_ticks; /* token tick events */ -+ uint64_t sys_ticks; /* token tick events */ -+ uint64_t hold_ticks; /* token ticks paused */ -+ uint64_t unused[5]; /* cacheline ? */ -+}; -+ -+/* context sub struct */ -+ -+struct _vx_sched { -+ atomic_t tokens; /* number of CPU tokens */ -+ spinlock_t tokens_lock; /* lock for token bucket */ -+ -+ int fill_rate; /* Fill rate: add X tokens... */ -+ int interval; /* Divisor: per Y jiffies */ -+ int tokens_min; /* Limit: minimum for unhold */ -+ int tokens_max; /* Limit: no more than N tokens */ -+ uint32_t jiffies; /* last time accounted */ -+ -+ int priority_bias; /* bias offset for priority */ -+ int vavavoom; /* last calculated vavavoom */ -+ -+ cpumask_t cpus_allowed; /* cpu mask for context */ -+ -+ struct _vx_ticks cpu[NR_CPUS]; -+}; -+ -+#endif /* _VX_SCHED_DEF_H */ -Index: linux-2.6.18/include/linux/vserver/signal.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/include/linux/vserver/signal.h -@@ -0,0 +1,14 @@ -+#ifndef _VX_SIGNAL_H -+#define _VX_SIGNAL_H -+ -+ -+#ifdef __KERNEL__ -+ -+struct vx_info; -+ -+int vx_info_kill(struct vx_info *, int, int); -+ -+#endif /* __KERNEL__ */ -+#else /* _VX_SIGNAL_H */ -+#warning duplicate inclusion -+#endif /* _VX_SIGNAL_H */ -Index: linux-2.6.18/include/linux/vserver/signal_cmd.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/include/linux/vserver/signal_cmd.h -@@ -0,0 +1,26 @@ -+#ifndef _VX_SIGNAL_CMD_H -+#define _VX_SIGNAL_CMD_H -+ -+ -+/* signalling vserver commands */ -+ -+#define VCMD_ctx_kill VC_CMD(PROCTRL, 1, 0) -+#define VCMD_wait_exit VC_CMD(EVENT, 99, 0) -+ -+struct vcmd_ctx_kill_v0 { -+ int32_t pid; -+ int32_t sig; -+}; -+ -+struct vcmd_wait_exit_v0 { -+ int32_t reboot_cmd; -+ int32_t exit_code; -+}; -+ -+#ifdef __KERNEL__ -+ -+extern int vc_ctx_kill(uint32_t, void __user *); -+extern int vc_wait_exit(uint32_t, void __user *); -+ -+#endif /* __KERNEL__ */ -+#endif /* _VX_SIGNAL_CMD_H */ -Index: linux-2.6.18/include/linux/vserver/switch.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/include/linux/vserver/switch.h -@@ -0,0 +1,98 @@ -+#ifndef _VX_SWITCH_H -+#define _VX_SWITCH_H -+ -+#include <linux/types.h> -+ -+ -+#define VC_CATEGORY(c) (((c) >> 24) & 0x3F) -+#define VC_COMMAND(c) (((c) >> 16) & 0xFF) -+#define VC_VERSION(c) ((c) & 0xFFF) -+ -+#define VC_CMD(c,i,v) ((((VC_CAT_ ## c) & 0x3F) << 24) \ -+ | (((i) & 0xFF) << 16) | ((v) & 0xFFF)) -+ -+/* -+ -+ Syscall Matrix V2.8 -+ -+ |VERSION|CREATE |MODIFY |MIGRATE|CONTROL|EXPERIM| |SPECIAL|SPECIAL| -+ |STATS |DESTROY|ALTER |CHANGE |LIMIT |TEST | | | | -+ |INFO |SETUP | |MOVE | | | | | | -+ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+ -+ SYSTEM |VERSION|VSETUP |VHOST | | | | |DEVICES| | -+ HOST | 00| 01| 02| 03| 04| 05| | 06| 07| -+ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+ -+ CPU | |VPROC |PROCALT|PROCMIG|PROCTRL| | |SCHED. | | -+ PROCESS| 08| 09| 10| 11| 12| 13| | 14| 15| -+ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+ -+ MEMORY | | | | | | | |SWAP | | -+ | 16| 17| 18| 19| 20| 21| | 22| 23| -+ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+ -+ NETWORK| |VNET |NETALT |NETMIG |NETCTL | | |SERIAL | | -+ | 24| 25| 26| 27| 28| 29| | 30| 31| -+ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+ -+ DISK | | | | |DLIMIT | | |INODE | | -+ VFS | 32| 33| 34| 35| 36| 37| | 38| 39| -+ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+ -+ OTHER | | | | | | | |VINFO | | -+ | 40| 41| 42| 43| 44| 45| | 46| 47| -+ =======+=======+=======+=======+=======+=======+=======+ +=======+=======+ -+ SPECIAL|EVENT | | | |FLAGS | | | | | -+ | 48| 49| 50| 51| 52| 53| | 54| 55| -+ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+ -+ SPECIAL|DEBUG | | | |RLIMIT |SYSCALL| | |COMPAT | -+ | 56| 57| 58| 59| 60|TEST 61| | 62| 63| -+ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+ -+ -+*/ -+ -+#define VC_CAT_VERSION 0 -+ -+#define VC_CAT_VSETUP 1 -+#define VC_CAT_VHOST 2 -+ -+#define VC_CAT_VPROC 9 -+#define VC_CAT_PROCALT 10 -+#define VC_CAT_PROCMIG 11 -+#define VC_CAT_PROCTRL 12 -+ -+#define VC_CAT_SCHED 14 -+ -+#define VC_CAT_VNET 25 -+#define VC_CAT_NETALT 26 -+#define VC_CAT_NETMIG 27 -+#define VC_CAT_NETCTRL 28 -+ -+#define VC_CAT_DLIMIT 36 -+#define VC_CAT_INODE 38 -+ -+#define VC_CAT_VINFO 46 -+#define VC_CAT_EVENT 48 -+ -+#define VC_CAT_FLAGS 52 -+#define VC_CAT_DEBUG 56 -+#define VC_CAT_RLIMIT 60 -+ -+#define VC_CAT_SYSTEST 61 -+#define VC_CAT_COMPAT 63 -+ -+/* interface version */ -+ -+#define VCI_VERSION 0x00020002 -+#define VCI_LEGACY_VERSION 0x000100FF -+ -+/* query version */ -+ -+#define VCMD_get_version VC_CMD(VERSION, 0, 0) -+ -+ -+#ifdef __KERNEL__ -+ -+#include <linux/errno.h> -+ -+ -+#else /* __KERNEL__ */ -+#define __user -+#endif /* __KERNEL__ */ -+ -+#endif /* _VX_SWITCH_H */ -Index: linux-2.6.18/include/linux/vserver/xid.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/include/linux/vserver/xid.h -@@ -0,0 +1,144 @@ -+#ifndef _VX_XID_H -+#define _VX_XID_H -+ -+ -+#define XID_TAG(in) (IS_TAGXID(in)) -+ -+ -+#ifdef CONFIG_XID_TAG_NFSD -+#define XID_TAG_NFSD 1 -+#else -+#define XID_TAG_NFSD 0 -+#endif -+ -+ -+#ifdef CONFIG_INOXID_NONE -+ -+#define MAX_UID 0xFFFFFFFF -+#define MAX_GID 0xFFFFFFFF -+ -+#define INOXID_XID(tag, uid, gid, xid) (0) -+ -+#define XIDINO_UID(tag, uid, xid) (uid) -+#define XIDINO_GID(tag, gid, xid) (gid) -+ -+#endif -+ -+ -+#ifdef CONFIG_INOXID_GID16 -+ -+#define MAX_UID 0xFFFFFFFF -+#define MAX_GID 0x0000FFFF -+ -+#define INOXID_XID(tag, uid, gid, xid) \ -+ ((tag) ? (((gid) >> 16) & 0xFFFF) : 0) -+ -+#define XIDINO_UID(tag, uid, xid) (uid) -+#define XIDINO_GID(tag, gid, xid) \ -+ ((tag) ? (((gid) & 0xFFFF) | ((xid) << 16)) : (gid)) -+ -+#endif -+ -+ -+#ifdef CONFIG_INOXID_UGID24 -+ -+#define MAX_UID 0x00FFFFFF -+#define MAX_GID 0x00FFFFFF -+ -+#define INOXID_XID(tag, uid, gid, xid) \ -+ ((tag) ? ((((uid) >> 16) & 0xFF00) | (((gid) >> 24) & 0xFF)) : 0) -+ -+#define XIDINO_UID(tag, uid, xid) \ -+ ((tag) ? (((uid) & 0xFFFFFF) | (((xid) & 0xFF00) << 16)) : (uid)) -+#define XIDINO_GID(tag, gid, xid) \ -+ ((tag) ? (((gid) & 0xFFFFFF) | (((xid) & 0x00FF) << 24)) : (gid)) -+ -+#endif -+ -+ -+#ifdef CONFIG_INOXID_UID16 -+ -+#define MAX_UID 0x0000FFFF -+#define MAX_GID 0xFFFFFFFF -+ -+#define INOXID_XID(tag, uid, gid, xid) \ -+ ((tag) ? (((uid) >> 16) & 0xFFFF) : 0) -+ -+#define XIDINO_UID(tag, uid, xid) \ -+ ((tag) ? (((uid) & 0xFFFF) | ((xid) << 16)) : (uid)) -+#define XIDINO_GID(tag, gid, xid) (gid) -+ -+#endif -+ -+ -+#ifdef CONFIG_INOXID_INTERN -+ -+#define MAX_UID 0xFFFFFFFF -+#define MAX_GID 0xFFFFFFFF -+ -+#define INOXID_XID(tag, uid, gid, xid) \ -+ ((tag) ? (xid) : 0) -+ -+#define XIDINO_UID(tag, uid, xid) (uid) -+#define XIDINO_GID(tag, gid, xid) (gid) -+ -+#endif -+ -+ -+#ifdef CONFIG_INOXID_RUNTIME -+ -+#define MAX_UID 0xFFFFFFFF -+#define MAX_GID 0xFFFFFFFF -+ -+#define INOXID_XID(tag, uid, gid, xid) (0) -+ -+#define XIDINO_UID(tag, uid, xid) (uid) -+#define XIDINO_GID(tag, gid, xid) (gid) -+ -+#endif -+ -+ -+#ifndef CONFIG_INOXID_NONE -+#define vx_current_fsxid(sb) \ -+ ((sb)->s_flags & MS_TAGXID ? current->xid : 0) -+#else -+#define vx_current_fsxid(sb) (0) -+#endif -+ -+#ifndef CONFIG_INOXID_INTERN -+#define XIDINO_XID(tag, xid) (0) -+#else -+#define XIDINO_XID(tag, xid) ((tag) ? (xid) : 0) -+#endif -+ -+#define INOXID_UID(tag, uid, gid) \ -+ ((tag) ? ((uid) & MAX_UID) : (uid)) -+#define INOXID_GID(tag, uid, gid) \ -+ ((tag) ? ((gid) & MAX_GID) : (gid)) -+ -+ -+static inline uid_t vx_map_uid(uid_t uid) -+{ -+ if ((uid > MAX_UID) && (uid != -1)) -+ uid = -2; -+ return (uid & MAX_UID); -+} -+ -+static inline gid_t vx_map_gid(gid_t gid) -+{ -+ if ((gid > MAX_GID) && (gid != -1)) -+ gid = -2; -+ return (gid & MAX_GID); -+} -+ -+ -+#ifdef CONFIG_VSERVER_LEGACY -+#define FIOC_GETXID _IOR('x', 1, long) -+#define FIOC_SETXID _IOW('x', 2, long) -+#define FIOC_SETXIDJ _IOW('x', 3, long) -+#endif -+ -+int vx_parse_xid(char *string, xid_t *xid, int remove); -+void vx_propagate_xid(struct nameidata *nd, struct inode *inode); -+ -+#endif /* _VX_XID_H */ -Index: linux-2.6.18/include/net/af_unix.h -=================================================================== ---- linux-2.6.18.orig/include/net/af_unix.h -+++ linux-2.6.18/include/net/af_unix.h -@@ -17,9 +17,9 @@ extern spinlock_t unix_table_lock; - - extern atomic_t unix_tot_inflight; - --static inline struct sock *first_unix_socket(int *i) -+static inline struct sock *next_unix_socket_table(int *i) - { -- for (*i = 0; *i <= UNIX_HASH_SIZE; (*i)++) { -+ for ((*i)++; *i <= UNIX_HASH_SIZE; (*i)++) { - if (!hlist_empty(&unix_socket_table[*i])) - return __sk_head(&unix_socket_table[*i]); - } -@@ -28,16 +28,19 @@ static inline struct sock *first_unix_so - - static inline struct sock *next_unix_socket(int *i, struct sock *s) - { -- struct sock *next = sk_next(s); -- /* More in this chain? */ -- if (next) -- return next; -- /* Look for next non-empty chain. */ -- for ((*i)++; *i <= UNIX_HASH_SIZE; (*i)++) { -- if (!hlist_empty(&unix_socket_table[*i])) -- return __sk_head(&unix_socket_table[*i]); -- } -- return NULL; -+ do { -+ if (s) -+ s = sk_next(s); -+ if (!s) -+ s = next_unix_socket_table(i); -+ } while (s && !vx_check(s->sk_xid, VX_IDENT|VX_WATCH)); -+ return s; -+} -+ -+static inline struct sock *first_unix_socket(int *i) -+{ -+ *i = 0; -+ return next_unix_socket(i, NULL); - } - - #define forall_unix_sockets(i, s) \ -Index: linux-2.6.18/include/net/inet_hashtables.h -=================================================================== ---- linux-2.6.18.orig/include/net/inet_hashtables.h -+++ linux-2.6.18/include/net/inet_hashtables.h -@@ -271,6 +271,25 @@ static inline int inet_iif(const struct - return ((struct rtable *)skb->dst)->rt_iif; - } - -+/* -+ * Check if a given address matches for an inet socket -+ * -+ * nxi: the socket's nx_info if any -+ * addr: to be verified address -+ * saddr: socket addresses -+ */ -+static inline int inet_addr_match ( -+ struct nx_info *nxi, -+ uint32_t addr, -+ uint32_t saddr) -+{ -+ if (addr && (saddr == addr)) -+ return 1; -+ if (!saddr) -+ return addr_in_nx_info(nxi, addr); -+ return 0; -+} -+ - extern struct sock *__inet_lookup_listener(const struct hlist_head *head, - const u32 daddr, - const unsigned short hnum, -@@ -291,7 +310,7 @@ static inline struct sock * - const struct inet_sock *inet = inet_sk((sk = __sk_head(head))); - - if (inet->num == hnum && !sk->sk_node.next && -- (!inet->rcv_saddr || inet->rcv_saddr == daddr) && -+ inet_addr_match(sk->sk_nx_info, daddr, inet->rcv_saddr) && - (sk->sk_family == PF_INET || !ipv6_only_sock(sk)) && - !sk->sk_bound_dev_if) - goto sherry_cache; -Index: linux-2.6.18/include/net/inet_sock.h -=================================================================== ---- linux-2.6.18.orig/include/net/inet_sock.h -+++ linux-2.6.18/include/net/inet_sock.h -@@ -114,6 +114,7 @@ struct inet_sock { - /* Socket demultiplex comparisons on incoming packets. */ - __u32 daddr; - __u32 rcv_saddr; -+ __u32 rcv_saddr2; /* Second bound ipv4 addr, for ipv4root */ - __u16 dport; - __u16 num; - __u32 saddr; -Index: linux-2.6.18/include/net/inet_timewait_sock.h -=================================================================== ---- linux-2.6.18.orig/include/net/inet_timewait_sock.h -+++ linux-2.6.18/include/net/inet_timewait_sock.h -@@ -115,6 +115,10 @@ struct inet_timewait_sock { - #define tw_refcnt __tw_common.skc_refcnt - #define tw_hash __tw_common.skc_hash - #define tw_prot __tw_common.skc_prot -+#define tw_xid __tw_common.skc_xid -+#define tw_vx_info __tw_common.skc_vx_info -+#define tw_nid __tw_common.skc_nid -+#define tw_nx_info __tw_common.skc_nx_info - volatile unsigned char tw_substate; - /* 3 bits hole, try to pack */ - unsigned char tw_rcv_wscale; -Index: linux-2.6.18/include/net/route.h -=================================================================== ---- linux-2.6.18.orig/include/net/route.h -+++ linux-2.6.18/include/net/route.h -@@ -27,11 +27,14 @@ - #include <net/dst.h> - #include <net/inetpeer.h> - #include <net/flow.h> -+#include <net/inet_sock.h> - #include <linux/in_route.h> - #include <linux/rtnetlink.h> - #include <linux/route.h> - #include <linux/ip.h> - #include <linux/cache.h> -+#include <linux/vs_network.h> -+#include <linux/in.h> - - #ifndef __KERNEL__ - #warning This file is not supposed to be used outside of kernel. -@@ -143,6 +146,59 @@ static inline char rt_tos2priority(u8 to - return ip_tos2prio[IPTOS_TOS(tos)>>1]; - } - -+#define IPI_LOOPBACK htonl(INADDR_LOOPBACK) -+ -+static inline int ip_find_src(struct nx_info *nxi, struct rtable **rp, struct flowi *fl) -+{ -+ int err; -+ int i, n = nxi->nbipv4; -+ u32 ipv4root = nxi->ipv4[0]; -+ -+ if (ipv4root == 0) -+ return 0; -+ -+ if (fl->fl4_src == 0) { -+ if (n > 1) { -+ u32 foundsrc; -+ -+ err = __ip_route_output_key(rp, fl); -+ if (err) { -+ fl->fl4_src = ipv4root; -+ err = __ip_route_output_key(rp, fl); -+ } -+ if (err) -+ return err; -+ -+ foundsrc = (*rp)->rt_src; -+ ip_rt_put(*rp); -+ -+ for (i=0; i<n; i++){ -+ u32 mask = nxi->mask[i]; -+ u32 ipv4 = nxi->ipv4[i]; -+ u32 net4 = ipv4 & mask; -+ -+ if (foundsrc == ipv4) { -+ fl->fl4_src = ipv4; -+ break; -+ } -+ if (!fl->fl4_src && (foundsrc & mask) == net4) -+ fl->fl4_src = ipv4; -+ } -+ } -+ if (fl->fl4_src == 0) -+ fl->fl4_src = (fl->fl4_dst == IPI_LOOPBACK) -+ ? IPI_LOOPBACK : ipv4root; -+ } else { -+ for (i=0; i<n; i++) { -+ if (nxi->ipv4[i] == fl->fl4_src) -+ break; -+ } -+ if (i == n) -+ return -EPERM; -+ } -+ return 0; -+} -+ - static inline int ip_route_connect(struct rtable **rp, u32 dst, - u32 src, u32 tos, int oif, u8 protocol, - u16 sport, u16 dport, struct sock *sk) -@@ -157,7 +213,27 @@ static inline int ip_route_connect(struc - .dport = dport } } }; - - int err; -- if (!dst || !src) { -+ struct nx_info *nx_info = current->nx_info; -+ -+ if (sk) -+ nx_info = sk->sk_nx_info; -+ vxdprintk(VXD_CBIT(net, 4), -+ "ip_route_connect(%p) %p,%p;%lx", -+ sk, nx_info, sk->sk_socket, -+ (sk->sk_socket?sk->sk_socket->flags:0)); -+ -+ if (nx_info) { -+ err = ip_find_src(nx_info, rp, &fl); -+ if (err) -+ return err; -+ if (fl.fl4_dst == IPI_LOOPBACK && !vx_check(0, VX_ADMIN)) -+ fl.fl4_dst = nx_info->ipv4[0]; -+#ifdef CONFIG_VSERVER_REMAP_SADDR -+ if (fl.fl4_src == IPI_LOOPBACK && !vx_check(0, VX_ADMIN)) -+ fl.fl4_src = nx_info->ipv4[0]; -+#endif -+ } -+ if (!fl.fl4_dst || !fl.fl4_src) { - err = __ip_route_output_key(rp, &fl); - if (err) - return err; -Index: linux-2.6.18/include/net/sock.h -=================================================================== ---- linux-2.6.18.orig/include/net/sock.h -+++ linux-2.6.18/include/net/sock.h -@@ -118,6 +118,10 @@ struct sock_common { - atomic_t skc_refcnt; - unsigned int skc_hash; - struct proto *skc_prot; -+ xid_t skc_xid; -+ struct vx_info *skc_vx_info; -+ nid_t skc_nid; -+ struct nx_info *skc_nx_info; - }; - - /** -@@ -194,6 +198,10 @@ struct sock { - #define sk_refcnt __sk_common.skc_refcnt - #define sk_hash __sk_common.skc_hash - #define sk_prot __sk_common.skc_prot -+#define sk_xid __sk_common.skc_xid -+#define sk_vx_info __sk_common.skc_vx_info -+#define sk_nid __sk_common.skc_nid -+#define sk_nx_info __sk_common.skc_nx_info - unsigned char sk_shutdown : 2, - sk_no_check : 2, - sk_userlocks : 4; -Index: linux-2.6.18/init/version.c -=================================================================== ---- linux-2.6.18.orig/init/version.c -+++ linux-2.6.18/init/version.c -@@ -32,3 +32,8 @@ EXPORT_SYMBOL(system_utsname); - const char linux_banner[] = - "Linux version " UTS_RELEASE " (" LINUX_COMPILE_BY "@" - LINUX_COMPILE_HOST ") (" LINUX_COMPILER ") " UTS_VERSION "\n"; -+ -+const char vx_linux_banner[] = -+ "Linux version %s (" LINUX_COMPILE_BY "@" -+ LINUX_COMPILE_HOST ") (" LINUX_COMPILER ") %s\n"; -+ -Index: linux-2.6.18/ipc/mqueue.c -=================================================================== ---- linux-2.6.18.orig/ipc/mqueue.c -+++ linux-2.6.18/ipc/mqueue.c -@@ -29,6 +29,8 @@ - #include <linux/audit.h> - #include <linux/signal.h> - #include <linux/mutex.h> -+#include <linux/vs_context.h> -+#include <linux/vs_limit.h> - - #include <net/sock.h> - #include "util.h" -@@ -152,17 +154,20 @@ static struct inode *mqueue_get_inode(st - spin_lock(&mq_lock); - if (u->mq_bytes + mq_bytes < u->mq_bytes || - u->mq_bytes + mq_bytes > -- p->signal->rlim[RLIMIT_MSGQUEUE].rlim_cur) { -+ p->signal->rlim[RLIMIT_MSGQUEUE].rlim_cur || -+ !vx_ipcmsg_avail(p->vx_info, mq_bytes)) { - spin_unlock(&mq_lock); - goto out_inode; - } - u->mq_bytes += mq_bytes; -+ vx_ipcmsg_add(p->vx_info, u, mq_bytes); - spin_unlock(&mq_lock); - - info->messages = kmalloc(mq_msg_tblsz, GFP_KERNEL); - if (!info->messages) { - spin_lock(&mq_lock); - u->mq_bytes -= mq_bytes; -+ vx_ipcmsg_sub(p->vx_info, u, mq_bytes); - spin_unlock(&mq_lock); - goto out_inode; - } -@@ -260,10 +265,14 @@ static void mqueue_delete_inode(struct i - (info->attr.mq_maxmsg * info->attr.mq_msgsize)); - user = info->user; - if (user) { -+ struct vx_info *vxi = lookup_vx_info(user->xid); -+ - spin_lock(&mq_lock); - user->mq_bytes -= mq_bytes; -+ vx_ipcmsg_sub(vxi, user, mq_bytes); - queues_count--; - spin_unlock(&mq_lock); -+ put_vx_info(vxi); - free_uid(user); - } - } -@@ -746,7 +755,7 @@ asmlinkage long sys_mq_unlink(const char - if (inode) - atomic_inc(&inode->i_count); - -- err = vfs_unlink(dentry->d_parent->d_inode, dentry); -+ err = vfs_unlink(dentry->d_parent->d_inode, dentry, NULL); - out_err: - dput(dentry); - -Index: linux-2.6.18/ipc/msg.c -=================================================================== ---- linux-2.6.18.orig/ipc/msg.c -+++ linux-2.6.18/ipc/msg.c -@@ -103,6 +103,7 @@ static int newque(key_t key, int msgflg) - - msq->q_perm.mode = msgflg & S_IRWXUGO; - msq->q_perm.key = key; -+ msq->q_perm.xid = vx_current_xid(); - - msq->q_perm.security = NULL; - retval = security_msg_queue_alloc(msq); -@@ -847,6 +848,9 @@ static int sysvipc_msg_proc_show(struct - { - struct msg_queue *msq = it; - -+ if (!vx_check(msq->q_perm.xid, VX_IDENT)) -+ return 0; -+ - return seq_printf(s, - "%10d %10d %4o %10lu %10lu %5u %5u %5u %5u %5u %5u %10lu %10lu %10lu\n", - msq->q_perm.key, -Index: linux-2.6.18/ipc/sem.c -=================================================================== ---- linux-2.6.18.orig/ipc/sem.c -+++ linux-2.6.18/ipc/sem.c -@@ -183,6 +183,7 @@ static int newary (key_t key, int nsems, - - sma->sem_perm.mode = (semflg & S_IRWXUGO); - sma->sem_perm.key = key; -+ sma->sem_perm.xid = vx_current_xid(); - - sma->sem_perm.security = NULL; - retval = security_sem_alloc(sma); -@@ -1346,6 +1347,9 @@ static int sysvipc_sem_proc_show(struct - { - struct sem_array *sma = it; - -+ if (!vx_check(sma->sem_perm.xid, VX_IDENT)) -+ return 0; -+ - return seq_printf(s, - "%10d %10d %4o %10lu %5u %5u %5u %5u %10lu %10lu\n", - sma->sem_perm.key, -Index: linux-2.6.18/ipc/shm.c -=================================================================== ---- linux-2.6.18.orig/ipc/shm.c -+++ linux-2.6.18/ipc/shm.c -@@ -32,6 +32,8 @@ - #include <linux/ptrace.h> - #include <linux/seq_file.h> - #include <linux/mutex.h> -+#include <linux/vs_context.h> -+#include <linux/vs_limit.h> - - #include <asm/uaccess.h> - -@@ -116,7 +118,12 @@ static void shm_open (struct vm_area_str - */ - static void shm_destroy (struct shmid_kernel *shp) - { -- shm_tot -= (shp->shm_segsz + PAGE_SIZE - 1) >> PAGE_SHIFT; -+ struct vx_info *vxi = lookup_vx_info(shp->shm_perm.xid); -+ int numpages = (shp->shm_segsz + PAGE_SIZE - 1) >> PAGE_SHIFT; -+ -+ vx_ipcshm_sub(vxi, shp, numpages); -+ shm_tot -= numpages; -+ - shm_rmid (shp->id); - shm_unlock(shp); - if (!is_file_hugepages(shp->shm_file)) -@@ -126,6 +133,7 @@ static void shm_destroy (struct shmid_ke - shp->mlock_user); - fput (shp->shm_file); - security_shm_free(shp); -+ put_vx_info(vxi); - ipc_rcu_putref(shp); - } - -@@ -202,12 +210,15 @@ static int newseg (key_t key, int shmflg - - if (shm_tot + numpages >= shm_ctlall) - return -ENOSPC; -+ if (!vx_ipcshm_avail(current->vx_info, numpages)) -+ return -ENOSPC; - - shp = ipc_rcu_alloc(sizeof(*shp)); - if (!shp) - return -ENOMEM; - - shp->shm_perm.key = key; -+ shp->shm_perm.xid = vx_current_xid(); - shp->shm_perm.mode = (shmflg & S_IRWXUGO); - shp->mlock_user = NULL; - -@@ -258,6 +269,7 @@ static int newseg (key_t key, int shmflg - file->f_op = &shm_file_operations; - - shm_tot += numpages; -+ vx_ipcshm_add(current->vx_info, key, numpages); - shm_unlock(shp); - return shp->id; - -@@ -910,6 +922,9 @@ static int sysvipc_shm_proc_show(struct - #define SMALL_STRING "%10d %10d %4o %10u %5u %5u %5d %5u %5u %5u %5u %10lu %10lu %10lu\n" - #define BIG_STRING "%10d %10d %4o %21u %5u %5u %5d %5u %5u %5u %5u %10lu %10lu %10lu\n" - -+ if (!vx_check(shp->shm_perm.xid, VX_IDENT)) -+ return 0; -+ - if (sizeof(size_t) <= sizeof(int)) - format = SMALL_STRING; - else -Index: linux-2.6.18/ipc/util.c -=================================================================== ---- linux-2.6.18.orig/ipc/util.c -+++ linux-2.6.18/ipc/util.c -@@ -157,7 +157,9 @@ int ipc_findkey(struct ipc_ids* ids, key - */ - for (id = 0; id <= max_id; id++) { - p = ids->entries->p[id]; -- if(p==NULL) -+ if (p==NULL) -+ continue; -+ if (!vx_check(p->xid, VX_IDENT)) - continue; - if (key == p->key) - return id; -@@ -470,6 +472,9 @@ int ipcperms (struct kern_ipc_perm *ipcp - - if (unlikely((err = audit_ipc_obj(ipcp)))) - return err; -+ -+ if (!vx_check(ipcp->xid, VX_ADMIN|VX_IDENT)) /* maybe just VX_IDENT? */ -+ return -1; - requested_mode = (flag >> 6) | (flag >> 3) | flag; - granted_mode = ipcp->mode; - if (current->euid == ipcp->cuid || current->euid == ipcp->uid) -Index: linux-2.6.18/kernel/Makefile -=================================================================== ---- linux-2.6.18.orig/kernel/Makefile -+++ linux-2.6.18/kernel/Makefile -@@ -10,6 +10,8 @@ obj-y = sched.o fork.o exec_domain.o - kthread.o wait.o kfifo.o sys_ni.o posix-cpu-timers.o mutex.o \ - hrtimer.o rwsem.o - -+obj-y += vserver/ -+ - obj-$(CONFIG_STACKTRACE) += stacktrace.o - obj-y += time/ - obj-$(CONFIG_DEBUG_MUTEXES) += mutex-debug.o -Index: linux-2.6.18/kernel/capability.c -=================================================================== ---- linux-2.6.18.orig/kernel/capability.c -+++ linux-2.6.18/kernel/capability.c -@@ -246,6 +246,9 @@ EXPORT_SYMBOL(__capable); - - int capable(int cap) - { -+ /* here for now so we don't require task locking */ -+ if (vx_check_bit(VXC_CAP_MASK, cap) && !vx_mcaps(1L << cap)) -+ return 0; - return __capable(current, cap); - } - EXPORT_SYMBOL(capable); -Index: linux-2.6.18/kernel/exit.c -=================================================================== ---- linux-2.6.18.orig/kernel/exit.c -+++ linux-2.6.18/kernel/exit.c -@@ -38,6 +38,9 @@ - #include <linux/pipe_fs_i.h> - #include <linux/audit.h> /* for audit_free() */ - #include <linux/resource.h> -+#include <linux/vs_limit.h> -+#include <linux/vs_context.h> -+#include <linux/vs_network.h> - - #include <asm/uaccess.h> - #include <asm/unistd.h> -@@ -444,9 +447,11 @@ static void close_files(struct files_str - struct file * file = xchg(&fdt->fd[i], NULL); - if (file) - filp_close(file, files); -+ vx_openfd_dec(i); - } - i++; - set >>= 1; -+ cond_resched(); - } - } - } -@@ -587,6 +592,11 @@ static void exit_mm(struct task_struct * - static inline void - choose_new_parent(struct task_struct *p, struct task_struct *reaper) - { -+ /* check for reaper context */ -+ vxwprintk((p->xid != reaper->xid) && (reaper != child_reaper), -+ "rogue reaper: %p[%d,#%u] <> %p[%d,#%u]", -+ p, p->pid, p->xid, reaper, reaper->pid, reaper->xid); -+ - /* - * Make sure we're not reparenting to ourselves and that - * the parent is not a zombie. -@@ -669,7 +679,7 @@ forget_original_parent(struct task_struc - do { - reaper = next_thread(reaper); - if (reaper == father) { -- reaper = child_reaper; -+ reaper = vx_child_reaper(father); - break; - } - } while (reaper->exit_state); -@@ -693,7 +703,7 @@ forget_original_parent(struct task_struc - - if (father == p->real_parent) { - /* reparent with a reaper, real father it's us */ -- choose_new_parent(p, reaper); -+ choose_new_parent(p, vx_child_reaper(p)); - reparent_thread(p, father, 0); - } else { - /* reparent ptraced task to its real parent */ -@@ -930,6 +940,8 @@ fastcall NORET_TYPE void do_exit(long co - - tsk->exit_code = code; - proc_exit_connector(tsk); -+ /* needs to stay before exit_notify() */ -+ exit_vx_info_early(tsk, code); - exit_notify(tsk); - #ifdef CONFIG_NUMA - mpol_free(tsk->mempolicy); -@@ -954,6 +966,10 @@ fastcall NORET_TYPE void do_exit(long co - if (tsk->splice_pipe) - __free_pipe_info(tsk->splice_pipe); - -+ /* needs to stay after exit_notify() */ -+ exit_vx_info(tsk, code); -+ exit_nx_info(tsk); -+ - /* PF_DEAD causes final put_task_struct after we schedule. */ - preempt_disable(); - BUG_ON(tsk->flags & PF_DEAD); -Index: linux-2.6.18/kernel/fork.c -=================================================================== ---- linux-2.6.18.orig/kernel/fork.c -+++ linux-2.6.18/kernel/fork.c -@@ -45,6 +45,10 @@ - #include <linux/cn_proc.h> - #include <linux/delayacct.h> - #include <linux/taskstats_kern.h> -+#include <linux/vs_context.h> -+#include <linux/vs_network.h> -+#include <linux/vs_limit.h> -+#include <linux/vs_memory.h> - - #include <asm/pgtable.h> - #include <asm/pgalloc.h> -@@ -105,6 +109,8 @@ void free_task(struct task_struct *tsk) - { - free_thread_info(tsk->thread_info); - rt_mutex_debug_task_free(tsk); -+ clr_vx_info(&tsk->vx_info); -+ clr_nx_info(&tsk->nx_info); - free_task_struct(tsk); - } - EXPORT_SYMBOL(free_task); -@@ -206,6 +212,8 @@ static inline int dup_mmap(struct mm_str - mm->free_area_cache = oldmm->mmap_base; - mm->cached_hole_size = ~0UL; - mm->map_count = 0; -+ __set_mm_counter(mm, file_rss, 0); -+ __set_mm_counter(mm, anon_rss, 0); - cpus_clear(mm->cpu_vm_mask); - mm->mm_rb = RB_ROOT; - rb_link = &mm->mm_rb.rb_node; -@@ -217,7 +225,7 @@ static inline int dup_mmap(struct mm_str - - if (mpnt->vm_flags & VM_DONTCOPY) { - long pages = vma_pages(mpnt); -- mm->total_vm -= pages; -+ vx_vmpages_sub(mm, pages); - vm_stat_account(mm, mpnt->vm_flags, mpnt->vm_file, - -pages); - continue; -@@ -324,8 +332,6 @@ static struct mm_struct * mm_init(struct - INIT_LIST_HEAD(&mm->mmlist); - mm->core_waiters = 0; - mm->nr_ptes = 0; -- set_mm_counter(mm, file_rss, 0); -- set_mm_counter(mm, anon_rss, 0); - spin_lock_init(&mm->page_table_lock); - rwlock_init(&mm->ioctx_list_lock); - mm->ioctx_list = NULL; -@@ -334,6 +340,7 @@ static struct mm_struct * mm_init(struct - - if (likely(!mm_alloc_pgd(mm))) { - mm->def_flags = 0; -+ set_vx_info(&mm->mm_vx_info, current->vx_info); - return mm; - } - free_mm(mm); -@@ -365,6 +372,7 @@ void fastcall __mmdrop(struct mm_struct - BUG_ON(mm == &init_mm); - mm_free_pgd(mm); - destroy_context(mm); -+ clr_vx_info(&mm->mm_vx_info); - free_mm(mm); - } - -@@ -504,6 +512,7 @@ static struct mm_struct *dup_mm(struct t - goto fail_nomem; - - memcpy(mm, oldmm, sizeof(*mm)); -+ mm->mm_vx_info = NULL; - - if (!mm_init(mm)) - goto fail_nomem; -@@ -531,6 +540,7 @@ fail_nocontext: - * If init_new_context() failed, we cannot use mmput() to free the mm - * because it calls destroy_context() - */ -+ clr_vx_info(&mm->mm_vx_info); - mm_free_pgd(mm); - free_mm(mm); - return NULL; -@@ -726,6 +736,8 @@ static struct files_struct *dup_fd(struc - struct file *f = *old_fds++; - if (f) { - get_file(f); -+ /* FIXME: sum it first for check and performance */ -+ vx_openfd_inc(open_files - i); - } else { - /* - * The fd may be claimed in the fd bitmap but not yet -@@ -982,6 +994,8 @@ static struct task_struct *copy_process( - { - int retval; - struct task_struct *p = NULL; -+ struct vx_info *vxi; -+ struct nx_info *nxi; - - if ((clone_flags & (CLONE_NEWNS|CLONE_FS)) == (CLONE_NEWNS|CLONE_FS)) - return ERR_PTR(-EINVAL); -@@ -1014,12 +1028,30 @@ static struct task_struct *copy_process( - DEBUG_LOCKS_WARN_ON(!p->hardirqs_enabled); - DEBUG_LOCKS_WARN_ON(!p->softirqs_enabled); - #endif -+ init_vx_info(&p->vx_info, current->vx_info); -+ init_nx_info(&p->nx_info, current->nx_info); -+ -+ /* check vserver memory */ -+ if (p->mm && !(clone_flags & CLONE_VM)) { -+ if (vx_vmpages_avail(p->mm, p->mm->total_vm)) -+ vx_pages_add(p->vx_info, RLIMIT_AS, p->mm->total_vm); -+ else -+ goto bad_fork_free; -+ } -+ if (p->mm && vx_flags(VXF_FORK_RSS, 0)) { -+ if (!vx_rsspages_avail(p->mm, get_mm_counter(p->mm, file_rss))) -+ goto bad_fork_cleanup_vm; -+ } -+ - retval = -EAGAIN; -+ if (!vx_nproc_avail(1)) -+ goto bad_fork_cleanup_vm; -+ - if (atomic_read(&p->user->processes) >= - p->signal->rlim[RLIMIT_NPROC].rlim_cur) { - if (!capable(CAP_SYS_ADMIN) && !capable(CAP_SYS_RESOURCE) && - p->user != &root_user) -- goto bad_fork_free; -+ goto bad_fork_cleanup_vm; - } - - atomic_inc(&p->user->__count); -@@ -1282,6 +1314,18 @@ static struct task_struct *copy_process( - - total_forks++; - spin_unlock(¤t->sighand->siglock); -+ -+ /* p is copy of current */ -+ vxi = p->vx_info; -+ if (vxi) { -+ claim_vx_info(vxi, p); -+ atomic_inc(&vxi->cvirt.nr_threads); -+ atomic_inc(&vxi->cvirt.total_forks); -+ vx_nproc_inc(p); -+ } -+ nxi = p->nx_info; -+ if (nxi) -+ claim_nx_info(nxi, p); - write_unlock_irq(&tasklist_lock); - proc_fork_connector(p); - return p; -@@ -1323,6 +1367,9 @@ bad_fork_cleanup_count: - put_group_info(p->group_info); - atomic_dec(&p->user->processes); - free_uid(p->user); -+bad_fork_cleanup_vm: -+ if (p->mm && !(clone_flags & CLONE_VM)) -+ vx_pages_sub(p->vx_info, RLIMIT_AS, p->mm->total_vm); - bad_fork_free: - free_task(p); - fork_out: -Index: linux-2.6.18/kernel/kthread.c -=================================================================== ---- linux-2.6.18.orig/kernel/kthread.c -+++ linux-2.6.18/kernel/kthread.c -@@ -123,7 +123,7 @@ static void keventd_create_kthread(void - } else { - wait_for_completion(&create->started); - read_lock(&tasklist_lock); -- create->result = find_task_by_pid(pid); -+ create->result = find_task_by_real_pid(pid); - read_unlock(&tasklist_lock); - } - complete(&create->done); -Index: linux-2.6.18/kernel/pid.c -=================================================================== ---- linux-2.6.18.orig/kernel/pid.c -+++ linux-2.6.18/kernel/pid.c -@@ -26,6 +26,7 @@ - #include <linux/init.h> - #include <linux/bootmem.h> - #include <linux/hash.h> -+#include <linux/vs_cvirt.h> - - #define pid_hashfn(nr) hash_long((unsigned long)nr, pidhash_shift) - static struct hlist_head *pid_hash; -@@ -260,6 +261,14 @@ struct task_struct * fastcall pid_task(s - first = rcu_dereference(pid->tasks[type].first); - if (first) - result = hlist_entry(first, struct task_struct, pids[(type)].node); -+ if (result && (pid->nr != 1) && -+ !vx_check(vx_task_xid(result), VX_WATCH|VX_ADMIN|VX_IDENT)) { -+ vxwprintk((type == PIDTYPE_PID) && (current->xid), -+ "pid_task(%d,%d): task %p[#%u,%u] did lookup %p[#%u,%u]", -+ pid->nr, type, current, vx_current_xid(), current->pid, -+ result, vx_task_xid(result), result->pid); -+ result = NULL; -+ } - } - return result; - } -@@ -269,6 +278,10 @@ struct task_struct * fastcall pid_task(s - */ - struct task_struct *find_task_by_pid_type(int type, int nr) - { -+ if (type == PIDTYPE_PID) -+ nr = vx_rmap_pid(nr); -+ else if (type == PIDTYPE_REALPID) -+ type = PIDTYPE_PID; - return pid_task(find_pid(nr), type); - } - -Index: linux-2.6.18/kernel/posix-timers.c -=================================================================== ---- linux-2.6.18.orig/kernel/posix-timers.c -+++ linux-2.6.18/kernel/posix-timers.c -@@ -48,6 +48,7 @@ - #include <linux/wait.h> - #include <linux/workqueue.h> - #include <linux/module.h> -+#include <linux/vs_context.h> - - /* - * Management arrays for POSIX timers. Timers are kept in slab memory -@@ -298,6 +299,10 @@ void do_schedule_next_timer(struct sigin - - int posix_timer_event(struct k_itimer *timr,int si_private) - { -+ struct vx_info_save vxis; -+ int ret; -+ -+ enter_vx_info(task_get_vx_info(timr->it_process), &vxis); - memset(&timr->sigq->info, 0, sizeof(siginfo_t)); - timr->sigq->info.si_sys_private = si_private; - /* Send signal to the process that owns this timer.*/ -@@ -310,11 +315,11 @@ int posix_timer_event(struct k_itimer *t - - if (timr->it_sigev_notify & SIGEV_THREAD_ID) { - struct task_struct *leader; -- int ret = send_sigqueue(timr->it_sigev_signo, timr->sigq, -- timr->it_process); - -+ ret = send_sigqueue(timr->it_sigev_signo, timr->sigq, -+ timr->it_process); - if (likely(ret >= 0)) -- return ret; -+ goto out; - - timr->it_sigev_notify = SIGEV_SIGNAL; - leader = timr->it_process->group_leader; -@@ -322,8 +327,12 @@ int posix_timer_event(struct k_itimer *t - timr->it_process = leader; - } - -- return send_group_sigqueue(timr->it_sigev_signo, timr->sigq, -- timr->it_process); -+ ret = send_group_sigqueue(timr->it_sigev_signo, timr->sigq, -+ timr->it_process); -+out: -+ leave_vx_info(&vxis); -+ put_vx_info(vxis.vxi); -+ return ret; - } - EXPORT_SYMBOL_GPL(posix_timer_event); - -@@ -372,7 +381,7 @@ static struct task_struct * good_sigeven - struct task_struct *rtn = current->group_leader; - - if ((event->sigev_notify & SIGEV_THREAD_ID ) && -- (!(rtn = find_task_by_pid(event->sigev_notify_thread_id)) || -+ (!(rtn = find_task_by_real_pid(event->sigev_notify_thread_id)) || - rtn->tgid != current->tgid || - (event->sigev_notify & ~SIGEV_THREAD_ID) != SIGEV_SIGNAL)) - return NULL; -Index: linux-2.6.18/kernel/printk.c -=================================================================== ---- linux-2.6.18.orig/kernel/printk.c -+++ linux-2.6.18/kernel/printk.c -@@ -31,6 +31,7 @@ - #include <linux/security.h> - #include <linux/bootmem.h> - #include <linux/syscalls.h> -+#include <linux/vserver/cvirt.h> - - #include <asm/uaccess.h> - -@@ -184,18 +185,13 @@ int do_syslog(int type, char __user *buf - unsigned long i, j, limit, count; - int do_clear = 0; - char c; -- int error = 0; -+ int error; - - error = security_syslog(type); - if (error) - return error; - -- switch (type) { -- case 0: /* Close log */ -- break; -- case 1: /* Open log */ -- break; -- case 2: /* Read from log */ -+ if ((type >= 2) && (type <= 4)) { - error = -EINVAL; - if (!buf || len < 0) - goto out; -@@ -206,6 +202,16 @@ int do_syslog(int type, char __user *buf - error = -EFAULT; - goto out; - } -+ } -+ if (!vx_check(0, VX_ADMIN|VX_WATCH)) -+ return vx_do_syslog(type, buf, len); -+ -+ switch (type) { -+ case 0: /* Close log */ -+ break; -+ case 1: /* Open log */ -+ break; -+ case 2: /* Read from log */ - error = wait_event_interruptible(log_wait, - (log_start - log_end)); - if (error) -@@ -230,16 +236,6 @@ int do_syslog(int type, char __user *buf - do_clear = 1; - /* FALL THRU */ - case 3: /* Read last kernel messages */ -- error = -EINVAL; -- if (!buf || len < 0) -- goto out; -- error = 0; -- if (!len) -- goto out; -- if (!access_ok(VERIFY_WRITE, buf, len)) { -- error = -EFAULT; -- goto out; -- } - count = len; - if (count > log_buf_len) - count = log_buf_len; -Index: linux-2.6.18/kernel/ptrace.c -=================================================================== ---- linux-2.6.18.orig/kernel/ptrace.c -+++ linux-2.6.18/kernel/ptrace.c -@@ -521,6 +521,10 @@ asmlinkage long sys_ptrace(long request, - goto out; - } - -+ ret = -EPERM; -+ if (!vx_check(vx_task_xid(child), VX_WATCH|VX_IDENT)) -+ goto out_put_task_struct; -+ - if (request == PTRACE_ATTACH) { - ret = ptrace_attach(child); - goto out_put_task_struct; -Index: linux-2.6.18/kernel/sched.c -=================================================================== ---- linux-2.6.18.orig/kernel/sched.c -+++ linux-2.6.18/kernel/sched.c -@@ -55,6 +55,9 @@ - #include <asm/tlb.h> - - #include <asm/unistd.h> -+#include <linux/vs_context.h> -+#include <linux/vs_cvirt.h> -+#include <linux/vs_sched.h> - - /* - * Convert user-nice values [ -20 ... 0 ... 19 ] -@@ -243,6 +246,10 @@ struct rq { - struct task_struct *migration_thread; - struct list_head migration_queue; - #endif -+#ifdef CONFIG_VSERVER_HARDCPU -+ struct list_head hold_queue; -+ int idle_tokens; -+#endif - - #ifdef CONFIG_SCHEDSTATS - /* latency stats */ -@@ -672,6 +679,7 @@ sched_info_switch(struct task_struct *pr - */ - static void dequeue_task(struct task_struct *p, struct prio_array *array) - { -+ BUG_ON(p->state & TASK_ONHOLD); - array->nr_active--; - list_del(&p->run_list); - if (list_empty(array->queue + p->prio)) -@@ -680,6 +688,7 @@ static void dequeue_task(struct task_str - - static void enqueue_task(struct task_struct *p, struct prio_array *array) - { -+ BUG_ON(p->state & TASK_ONHOLD); - sched_info_queued(p); - list_add_tail(&p->run_list, array->queue + p->prio); - __set_bit(p->prio, array->bitmap); -@@ -693,12 +702,14 @@ static void enqueue_task(struct task_str - */ - static void requeue_task(struct task_struct *p, struct prio_array *array) - { -+ BUG_ON(p->state & TASK_ONHOLD); - list_move_tail(&p->run_list, array->queue + p->prio); - } - - static inline void - enqueue_task_head(struct task_struct *p, struct prio_array *array) - { -+ BUG_ON(p->state & TASK_ONHOLD); - list_add(&p->run_list, array->queue + p->prio); - __set_bit(p->prio, array->bitmap); - array->nr_active++; -@@ -723,10 +734,16 @@ enqueue_task_head(struct task_struct *p, - static inline int __normal_prio(struct task_struct *p) - { - int bonus, prio; -+ struct vx_info *vxi; - - bonus = CURRENT_BONUS(p) - MAX_BONUS / 2; - - prio = p->static_prio - bonus; -+ -+ if ((vxi = p->vx_info) && -+ vx_info_flags(vxi, VXF_SCHED_PRIO, 0)) -+ prio += vx_effective_vavavoom(vxi, MAX_USER_PRIO); -+ - if (prio < MAX_RT_PRIO) - prio = MAX_RT_PRIO; - if (prio > MAX_PRIO-1) -@@ -975,19 +992,77 @@ static void activate_task(struct task_st - } - p->timestamp = now; - -+ vx_activate_task(p); - __activate_task(p, rq); - } - - /* - * deactivate_task - remove a task from the runqueue. - */ --static void deactivate_task(struct task_struct *p, struct rq *rq) -+static void __deactivate_task(struct task_struct *p, struct rq *rq) - { - dec_nr_running(p, rq); - dequeue_task(p, p->array); - p->array = NULL; - } - -+static inline -+void deactivate_task(struct task_struct *p, struct rq *rq) -+{ -+ vx_deactivate_task(p); -+ __deactivate_task(p, rq); -+} -+ -+ -+#ifdef CONFIG_VSERVER_HARDCPU -+/* -+ * vx_hold_task - put a task on the hold queue -+ */ -+static inline -+void vx_hold_task(struct vx_info *vxi, -+ struct task_struct *p, struct rq *rq) -+{ -+ __deactivate_task(p, rq); -+ p->state |= TASK_ONHOLD; -+ /* a new one on hold */ -+ vx_onhold_inc(vxi); -+ list_add_tail(&p->run_list, &rq->hold_queue); -+} -+ -+/* -+ * vx_unhold_task - put a task back to the runqueue -+ */ -+static inline -+void vx_unhold_task(struct vx_info *vxi, -+ struct task_struct *p, struct rq *rq) -+{ -+ list_del(&p->run_list); -+ /* one less waiting */ -+ vx_onhold_dec(vxi); -+ p->state &= ~TASK_ONHOLD; -+ enqueue_task(p, rq->expired); -+ inc_nr_running(p, rq); -+ -+ if (p->static_prio < rq->best_expired_prio) -+ rq->best_expired_prio = p->static_prio; -+} -+#else -+static inline -+void vx_hold_task(struct vx_info *vxi, -+ struct task_struct *p, struct rq *rq) -+{ -+ return; -+} -+ -+static inline -+void vx_unhold_task(struct vx_info *vxi, -+ struct task_struct *p, struct rq *rq) -+{ -+ return; -+} -+#endif /* CONFIG_VSERVER_HARDCPU */ -+ -+ - /* - * resched_task - mark a task 'to be rescheduled now'. - * -@@ -1383,6 +1458,12 @@ static int try_to_wake_up(struct task_st - - rq = task_rq_lock(p, &flags); - old_state = p->state; -+ -+ /* we need to unhold suspended tasks */ -+ if (old_state & TASK_ONHOLD) { -+ vx_unhold_task(p->vx_info, p, rq); -+ old_state = p->state; -+ } - if (!(old_state & state)) - goto out; - -@@ -1488,6 +1569,7 @@ out_activate: - #endif /* CONFIG_SMP */ - if (old_state == TASK_UNINTERRUPTIBLE) { - rq->nr_uninterruptible--; -+ vx_uninterruptible_dec(p); - /* - * Tasks on involuntary sleep don't earn - * sleep_avg beyond just interactive state. -@@ -1634,6 +1716,7 @@ void fastcall wake_up_new_task(struct ta - - p->prio = effective_prio(p); - -+ vx_activate_task(p); - if (likely(cpu == this_cpu)) { - if (!(clone_flags & CLONE_VM)) { - /* -@@ -1645,6 +1728,7 @@ void fastcall wake_up_new_task(struct ta - __activate_task(p, rq); - else { - p->prio = current->prio; -+ BUG_ON(p->state & TASK_ONHOLD); - p->normal_prio = current->normal_prio; - list_add_tail(&p->run_list, ¤t->run_list); - p->array = current->array; -@@ -2951,13 +3035,16 @@ static inline int expired_starving(struc - void account_user_time(struct task_struct *p, cputime_t cputime) - { - struct cpu_usage_stat *cpustat = &kstat_this_cpu.cpustat; -+ struct vx_info *vxi = p->vx_info; /* p is _always_ current */ - cputime64_t tmp; -+ int nice = (TASK_NICE(p) > 0); - - p->utime = cputime_add(p->utime, cputime); -+ vx_account_user(vxi, cputime, nice); - - /* Add user time to cpustat. */ - tmp = cputime_to_cputime64(cputime); -- if (TASK_NICE(p) > 0) -+ if (nice) - cpustat->nice = cputime64_add(cpustat->nice, tmp); - else - cpustat->user = cputime64_add(cpustat->user, tmp); -@@ -2973,10 +3060,12 @@ void account_system_time(struct task_str - cputime_t cputime) - { - struct cpu_usage_stat *cpustat = &kstat_this_cpu.cpustat; -+ struct vx_info *vxi = p->vx_info; /* p is _always_ current */ - struct rq *rq = this_rq(); - cputime64_t tmp; - - p->stime = cputime_add(p->stime, cputime); -+ vx_account_system(vxi, cputime, (p == rq->idle)); - - /* Add system time to cpustat. */ - tmp = cputime_to_cputime64(cputime); -@@ -3036,6 +3125,10 @@ void scheduler_tick(void) - if (p == rq->idle) { - if (wake_priority_sleeper(rq)) - goto out; -+#ifdef CONFIG_VSERVER_HARDCPU_IDLE -+ if (!--rq->idle_tokens && !list_empty(&rq->hold_queue)) -+ set_need_resched(); -+#endif - rebalance_tick(cpu, rq, SCHED_IDLE); - return; - } -@@ -3068,7 +3161,7 @@ void scheduler_tick(void) - } - goto out_unlock; - } -- if (!--p->time_slice) { -+ if (vx_need_resched(p)) { - dequeue_task(p, rq->active); - set_tsk_need_resched(p); - p->prio = effective_prio(p); -@@ -3301,6 +3394,10 @@ asmlinkage void __sched schedule(void) - int cpu, idx, new_prio; - long *switch_count; - struct rq *rq; -+ struct vx_info *vxi; -+#ifdef CONFIG_VSERVER_HARDCPU -+ int maxidle = -HZ; -+#endif - - /* - * Test if we are atomic. Since do_exit() needs to call into -@@ -3358,12 +3455,41 @@ need_resched_nonpreemptible: - unlikely(signal_pending(prev)))) - prev->state = TASK_RUNNING; - else { -- if (prev->state == TASK_UNINTERRUPTIBLE) -+ if (prev->state == TASK_UNINTERRUPTIBLE) { - rq->nr_uninterruptible++; -+ vx_uninterruptible_inc(prev); -+ } - deactivate_task(prev, rq); - } - } - -+#ifdef CONFIG_VSERVER_HARDCPU -+ if (!list_empty(&rq->hold_queue)) { -+ struct list_head *l, *n; -+ int ret; -+ -+ vxi = NULL; -+ list_for_each_safe(l, n, &rq->hold_queue) { -+ next = list_entry(l, struct task_struct, run_list); -+ if (vxi == next->vx_info) -+ continue; -+ -+ vxi = next->vx_info; -+ ret = vx_tokens_recalc(vxi); -+ -+ if (ret > 0) { -+ vx_unhold_task(vxi, next, rq); -+ break; -+ } -+ if ((ret < 0) && (maxidle < ret)) -+ maxidle = ret; -+ } -+ } -+ rq->idle_tokens = -maxidle; -+ -+pick_next: -+#endif -+ - cpu = smp_processor_id(); - if (unlikely(!rq->nr_running)) { - idle_balance(cpu, rq); -@@ -3392,6 +3518,22 @@ need_resched_nonpreemptible: - queue = array->queue + idx; - next = list_entry(queue->next, struct task_struct, run_list); - -+ vxi = next->vx_info; -+#ifdef CONFIG_VSERVER_HARDCPU -+ if (vx_info_flags(vxi, VXF_SCHED_PAUSE|VXF_SCHED_HARD, 0)) { -+ int ret = vx_tokens_recalc(vxi); -+ -+ if (unlikely(ret <= 0)) { -+ if (ret && (rq->idle_tokens > -ret)) -+ rq->idle_tokens = -ret; -+ vx_hold_task(vxi, next, rq); -+ goto pick_next; -+ } -+ } else /* well, looks ugly but not as ugly as the ifdef-ed version */ -+#endif -+ if (vx_info_flags(vxi, VXF_SCHED_PRIO, 0)) -+ vx_tokens_recalc(vxi); -+ - if (!rt_task(next) && interactive_sleep(next->sleep_type)) { - unsigned long long delta = now - next->timestamp; - if (unlikely((long long)(now - next->timestamp) < 0)) -@@ -3994,7 +4136,7 @@ asmlinkage long sys_nice(int increment) - nice = 19; - - if (increment < 0 && !can_nice(current, nice)) -- return -EPERM; -+ return vx_flags(VXF_IGNEG_NICE, 0) ? 0 : -EPERM; - - retval = security_task_setnice(current, nice); - if (retval) -@@ -4161,6 +4303,7 @@ recheck: - oldprio = p->prio; - __setscheduler(p, policy, param->sched_priority); - if (array) { -+ vx_activate_task(p); - __activate_task(p, rq); - /* - * Reschedule if we are currently running on this runqueue and -@@ -4949,6 +5092,7 @@ static int __migrate_task(struct task_st - p->timestamp = p->timestamp - rq_src->timestamp_last_tick - + rq_dest->timestamp_last_tick; - deactivate_task(p, rq_src); -+ vx_activate_task(p); - __activate_task(p, rq_dest); - if (TASK_PREEMPTS_CURR(p, rq_dest)) - resched_task(rq_dest->curr); -@@ -6789,6 +6933,9 @@ void __init sched_init(void) - INIT_LIST_HEAD(&rq->migration_queue); - #endif - atomic_set(&rq->nr_iowait, 0); -+#ifdef CONFIG_VSERVER_HARDCPU -+ INIT_LIST_HEAD(&rq->hold_queue); -+#endif - - for (j = 0; j < 2; j++) { - array = rq->arrays + j; -@@ -6865,6 +7012,7 @@ void normalize_rt_tasks(void) - deactivate_task(p, task_rq(p)); - __setscheduler(p, SCHED_NORMAL, 0); - if (array) { -+ vx_activate_task(p); - __activate_task(p, task_rq(p)); - resched_task(rq->curr); - } -Index: linux-2.6.18/kernel/signal.c -=================================================================== ---- linux-2.6.18.orig/kernel/signal.c -+++ linux-2.6.18/kernel/signal.c -@@ -571,18 +571,27 @@ static int rm_from_queue(unsigned long m - static int check_kill_permission(int sig, struct siginfo *info, - struct task_struct *t) - { -+ int user; - int error = -EINVAL; -+ - if (!valid_signal(sig)) - return error; -+ -+ user = ((info == SEND_SIG_NOINFO) || -+ (!is_si_special(info) && SI_FROMUSER(info))); -+ - error = -EPERM; -- if ((info == SEND_SIG_NOINFO || (!is_si_special(info) && SI_FROMUSER(info))) -- && ((sig != SIGCONT) || -+ if (user && ((sig != SIGCONT) || - (current->signal->session != t->signal->session)) - && (current->euid ^ t->suid) && (current->euid ^ t->uid) - && (current->uid ^ t->suid) && (current->uid ^ t->uid) - && !capable(CAP_KILL)) - return error; - -+ error = -ESRCH; -+ if (user && !vx_check(vx_task_xid(t), VX_ADMIN|VX_IDENT)) -+ return error; -+ - error = security_task_kill(t, info, sig, 0); - if (!error) - audit_signal_info(sig, t); /* Let audit system see the signal */ -@@ -1105,7 +1114,7 @@ kill_proc_info(int sig, struct siginfo * - } - p = find_task_by_pid(pid); - error = -ESRCH; -- if (p) -+ if (p && vx_check(vx_task_xid(p), VX_IDENT)) - error = group_send_sig_info(sig, info, p); - if (unlikely(acquired_tasklist_lock)) - read_unlock(&tasklist_lock); -@@ -1167,7 +1176,8 @@ static int kill_something_info(int sig, - - read_lock(&tasklist_lock); - for_each_process(p) { -- if (p->pid > 1 && p->tgid != current->tgid) { -+ if (vx_check(vx_task_xid(p), VX_ADMIN|VX_IDENT) && -+ p->pid > 1 && p->tgid != current->tgid) { - int err = group_send_sig_info(sig, info, p); - ++count; - if (err != -EPERM) -@@ -1839,6 +1849,11 @@ relock: - if (current == child_reaper) - continue; - -+ /* virtual init is protected against user signals */ -+ if ((info->si_code == SI_USER) && -+ vx_current_initpid(current->pid)) -+ continue; -+ - if (sig_kernel_stop(signr)) { - /* - * The default action is to stop all threads in -Index: linux-2.6.18/kernel/sys.c -=================================================================== ---- linux-2.6.18.orig/kernel/sys.c -+++ linux-2.6.18/kernel/sys.c -@@ -10,6 +10,7 @@ - #include <linux/mman.h> - #include <linux/smp_lock.h> - #include <linux/notifier.h> -+#include <linux/kmod.h> - #include <linux/reboot.h> - #include <linux/prctl.h> - #include <linux/highuid.h> -@@ -28,6 +29,7 @@ - #include <linux/tty.h> - #include <linux/signal.h> - #include <linux/cn_proc.h> -+#include <linux/vs_cvirt.h> - - #include <linux/compat.h> - #include <linux/syscalls.h> -@@ -444,7 +446,10 @@ static int set_one_prio(struct task_stru - goto out; - } - if (niceval < task_nice(p) && !can_nice(p, niceval)) { -- error = -EACCES; -+ if (vx_flags(VXF_IGNEG_NICE, 0)) -+ error = 0; -+ else -+ error = -EACCES; - goto out; - } - no_nice = security_task_setnice(p, niceval); -@@ -496,7 +501,8 @@ asmlinkage long sys_setpriority(int whic - if (!who) - who = current->uid; - else -- if ((who != current->uid) && !(user = find_user(who))) -+ if ((who != current->uid) && -+ !(user = find_user(vx_current_xid(), who))) - goto out_unlock; /* No processes for this user */ - - do_each_thread(g, p) -@@ -554,7 +560,8 @@ asmlinkage long sys_getpriority(int whic - if (!who) - who = current->uid; - else -- if ((who != current->uid) && !(user = find_user(who))) -+ if ((who != current->uid) && -+ !(user = find_user(vx_current_xid(), who))) - goto out_unlock; /* No processes for this user */ - - do_each_thread(g, p) -@@ -670,6 +677,9 @@ void kernel_power_off(void) - machine_power_off(); - } - EXPORT_SYMBOL_GPL(kernel_power_off); -+ -+long vs_reboot(unsigned int, void __user *); -+ - /* - * Reboot system call: for obvious reasons only root may call it, - * and even root needs to set up some magic numbers in the registers -@@ -700,6 +710,9 @@ asmlinkage long sys_reboot(int magic1, i - if ((cmd == LINUX_REBOOT_CMD_POWER_OFF) && !pm_power_off) - cmd = LINUX_REBOOT_CMD_HALT; - -+ if (!vx_check(0, VX_ADMIN|VX_WATCH)) -+ return vs_reboot(cmd, arg); -+ - lock_kernel(); - switch (cmd) { - case LINUX_REBOOT_CMD_RESTART: -@@ -887,7 +900,7 @@ static int set_user(uid_t new_ruid, int - { - struct user_struct *new_user; - -- new_user = alloc_uid(new_ruid); -+ new_user = alloc_uid(vx_current_xid(), new_ruid); - if (!new_user) - return -EAGAIN; - -@@ -1251,15 +1264,18 @@ asmlinkage long sys_setpgid(pid_t pid, p - { - struct task_struct *p; - struct task_struct *group_leader = current->group_leader; -+ pid_t rpgid; - int err = -EINVAL; - - if (!pid) -- pid = group_leader->pid; -+ pid = vx_map_pid(group_leader->pid); - if (!pgid) - pgid = pid; - if (pgid < 0) - return -EINVAL; - -+ rpgid = vx_rmap_pid(pgid); -+ - /* From this point forward we keep holding onto the tasklist lock - * so that our parent does not change from under us. -DaveM - */ -@@ -1294,22 +1310,22 @@ asmlinkage long sys_setpgid(pid_t pid, p - if (pgid != pid) { - struct task_struct *p; - -- do_each_task_pid(pgid, PIDTYPE_PGID, p) { -+ do_each_task_pid(rpgid, PIDTYPE_PGID, p) { - if (p->signal->session == group_leader->signal->session) - goto ok_pgid; -- } while_each_task_pid(pgid, PIDTYPE_PGID, p); -+ } while_each_task_pid(rpgid, PIDTYPE_PGID, p); - goto out; - } - - ok_pgid: -- err = security_task_setpgid(p, pgid); -+ err = security_task_setpgid(p, rpgid); - if (err) - goto out; - -- if (process_group(p) != pgid) { -+ if (process_group(p) != rpgid) { - detach_pid(p, PIDTYPE_PGID); -- p->signal->pgrp = pgid; -- attach_pid(p, PIDTYPE_PGID, pgid); -+ p->signal->pgrp = rpgid; -+ attach_pid(p, PIDTYPE_PGID, rpgid); - } - - err = 0; -@@ -1322,7 +1338,7 @@ out: - asmlinkage long sys_getpgid(pid_t pid) - { - if (!pid) { -- return process_group(current); -+ return vx_rmap_pid(process_group(current)); - } else { - int retval; - struct task_struct *p; -@@ -1334,7 +1350,7 @@ asmlinkage long sys_getpgid(pid_t pid) - if (p) { - retval = security_task_getpgid(p); - if (!retval) -- retval = process_group(p); -+ retval = vx_rmap_pid(process_group(p)); - } - read_unlock(&tasklist_lock); - return retval; -@@ -1675,7 +1691,7 @@ asmlinkage long sys_newuname(struct new_ - int errno = 0; - - down_read(&uts_sem); -- if (copy_to_user(name,&system_utsname,sizeof *name)) -+ if (copy_to_user(name, vx_new_utsname(), sizeof *name)) - errno = -EFAULT; - up_read(&uts_sem); - return errno; -@@ -1686,15 +1702,17 @@ asmlinkage long sys_sethostname(char __u - int errno; - char tmp[__NEW_UTS_LEN]; - -- if (!capable(CAP_SYS_ADMIN)) -+ if (!vx_capable(CAP_SYS_ADMIN, VXC_SET_UTSNAME)) - return -EPERM; - if (len < 0 || len > __NEW_UTS_LEN) - return -EINVAL; - down_write(&uts_sem); - errno = -EFAULT; - if (!copy_from_user(tmp, name, len)) { -- memcpy(system_utsname.nodename, tmp, len); -- system_utsname.nodename[len] = 0; -+ char *ptr = vx_new_uts(nodename); -+ -+ memcpy(ptr, tmp, len); -+ ptr[len] = 0; - errno = 0; - } - up_write(&uts_sem); -@@ -1706,15 +1724,17 @@ asmlinkage long sys_sethostname(char __u - asmlinkage long sys_gethostname(char __user *name, int len) - { - int i, errno; -+ char *ptr; - - if (len < 0) - return -EINVAL; - down_read(&uts_sem); -- i = 1 + strlen(system_utsname.nodename); -+ ptr = vx_new_uts(nodename); -+ i = 1 + strlen(ptr); - if (i > len) - i = len; - errno = 0; -- if (copy_to_user(name, system_utsname.nodename, i)) -+ if (copy_to_user(name, ptr, i)) - errno = -EFAULT; - up_read(&uts_sem); - return errno; -@@ -1731,7 +1751,7 @@ asmlinkage long sys_setdomainname(char _ - int errno; - char tmp[__NEW_UTS_LEN]; - -- if (!capable(CAP_SYS_ADMIN)) -+ if (!vx_capable(CAP_SYS_ADMIN, VXC_SET_UTSNAME)) - return -EPERM; - if (len < 0 || len > __NEW_UTS_LEN) - return -EINVAL; -@@ -1739,8 +1759,10 @@ asmlinkage long sys_setdomainname(char _ - down_write(&uts_sem); - errno = -EFAULT; - if (!copy_from_user(tmp, name, len)) { -- memcpy(system_utsname.domainname, tmp, len); -- system_utsname.domainname[len] = 0; -+ char *ptr = vx_new_uts(domainname); -+ -+ memcpy(ptr, tmp, len); -+ ptr[len] = 0; - errno = 0; - } - up_write(&uts_sem); -@@ -1798,7 +1820,7 @@ asmlinkage long sys_setrlimit(unsigned i - return -EINVAL; - old_rlim = current->signal->rlim + resource; - if ((new_rlim.rlim_max > old_rlim->rlim_max) && -- !capable(CAP_SYS_RESOURCE)) -+ !vx_capable(CAP_SYS_RESOURCE, VXC_SET_RLIMIT)) - return -EPERM; - if (resource == RLIMIT_NOFILE && new_rlim.rlim_max > NR_OPEN) - return -EPERM; -Index: linux-2.6.18/kernel/sysctl.c -=================================================================== ---- linux-2.6.18.orig/kernel/sysctl.c -+++ linux-2.6.18/kernel/sysctl.c -@@ -45,6 +45,7 @@ - #include <linux/syscalls.h> - #include <linux/nfs_fs.h> - #include <linux/acpi.h> -+#include <linux/vserver/cvirt.h> - - #include <asm/uaccess.h> - #include <asm/processor.h> -@@ -93,6 +94,7 @@ extern char modprobe_path[]; - #ifdef CONFIG_FB_SPLASH - extern char fbsplash_path[]; - #endif -+extern char vshelper_path[]; - #ifdef CONFIG_CHR_DEV_SG - extern int sg_big_buff; - #endif -@@ -248,6 +250,7 @@ static ctl_table kern_table[] = { - .maxlen = sizeof(system_utsname.sysname), - .mode = 0444, - .proc_handler = &proc_doutsstring, -+ .virt_handler = &vx_uts_virt_handler, - .strategy = &sysctl_string, - }, - { -@@ -257,6 +260,7 @@ static ctl_table kern_table[] = { - .maxlen = sizeof(system_utsname.release), - .mode = 0444, - .proc_handler = &proc_doutsstring, -+ .virt_handler = &vx_uts_virt_handler, - .strategy = &sysctl_string, - }, - { -@@ -266,6 +270,7 @@ static ctl_table kern_table[] = { - .maxlen = sizeof(system_utsname.version), - .mode = 0444, - .proc_handler = &proc_doutsstring, -+ .virt_handler = &vx_uts_virt_handler, - .strategy = &sysctl_string, - }, - { -@@ -275,6 +280,7 @@ static ctl_table kern_table[] = { - .maxlen = sizeof(system_utsname.nodename), - .mode = 0644, - .proc_handler = &proc_doutsstring, -+ .virt_handler = &vx_uts_virt_handler, - .strategy = &sysctl_string, - }, - { -@@ -284,6 +290,7 @@ static ctl_table kern_table[] = { - .maxlen = sizeof(system_utsname.domainname), - .mode = 0644, - .proc_handler = &proc_doutsstring, -+ .virt_handler = &vx_uts_virt_handler, - .strategy = &sysctl_string, - }, - { -@@ -431,6 +438,15 @@ static ctl_table kern_table[] = { - .strategy = &sysctl_string, - }, - #endif -+ { -+ .ctl_name = KERN_VSHELPER, -+ .procname = "vshelper", -+ .data = &vshelper_path, -+ .maxlen = 256, -+ .mode = 0644, -+ .proc_handler = &proc_dostring, -+ .strategy = &sysctl_string, -+ }, - #ifdef CONFIG_CHR_DEV_SG - { - .ctl_name = KERN_SG_BIG_BUFF, -@@ -1635,16 +1651,20 @@ static ssize_t proc_writesys(struct file - int proc_dostring(ctl_table *table, int write, struct file *filp, - void __user *buffer, size_t *lenp, loff_t *ppos) - { -- size_t len; -+ size_t len, maxlen; - char __user *p; - char c; -+ void *data; -+ -+ data = table->data; -+ maxlen = table->maxlen; -+ -+ if (!data || !maxlen || !*lenp || (*ppos && !write)) -+ return (*lenp = 0); - -- if (!table->data || !table->maxlen || !*lenp || -- (*ppos && !write)) { -- *lenp = 0; -- return 0; -- } -- -+ if (table->virt_handler) -+ table->virt_handler(table, write, filp->f_xid, &data, &maxlen); -+ - if (write) { - len = 0; - p = buffer; -@@ -1655,20 +1675,20 @@ int proc_dostring(ctl_table *table, int - break; - len++; - } -- if (len >= table->maxlen) -- len = table->maxlen-1; -- if(copy_from_user(table->data, buffer, len)) -+ if (len >= maxlen) -+ len = maxlen-1; -+ if(copy_from_user(data, buffer, len)) - return -EFAULT; -- ((char *) table->data)[len] = 0; -+ ((char *) data)[len] = 0; - *ppos += *lenp; - } else { -- len = strlen(table->data); -- if (len > table->maxlen) -- len = table->maxlen; -+ len = strlen(data); -+ if (len > maxlen) -+ len = maxlen; - if (len > *lenp) - len = *lenp; - if (len) -- if(copy_to_user(buffer, table->data, len)) -+ if(copy_to_user(buffer, data, len)) - return -EFAULT; - if (len < *lenp) { - if(put_user('\n', ((char __user *) buffer) + len)) -Index: linux-2.6.18/kernel/timer.c -=================================================================== ---- linux-2.6.18.orig/kernel/timer.c -+++ linux-2.6.18/kernel/timer.c -@@ -34,6 +34,8 @@ - #include <linux/cpu.h> - #include <linux/syscalls.h> - #include <linux/delay.h> -+#include <linux/vs_cvirt.h> -+#include <linux/vserver/sched.h> - - #include <asm/uaccess.h> - #include <asm/unistd.h> -@@ -1302,12 +1304,6 @@ asmlinkage unsigned long sys_alarm(unsig - - #endif - --#ifndef __alpha__ -- --/* -- * The Alpha uses getxpid, getxuid, and getxgid instead. Maybe this -- * should be moved into arch/i386 instead? -- */ - - /** - * sys_getpid - return the thread group id of the current process -@@ -1320,7 +1316,7 @@ asmlinkage unsigned long sys_alarm(unsig - */ - asmlinkage long sys_getpid(void) - { -- return current->tgid; -+ return vx_map_tgid(current->tgid); - } - - /* -@@ -1336,10 +1332,23 @@ asmlinkage long sys_getppid(void) - rcu_read_lock(); - pid = rcu_dereference(current->real_parent)->tgid; - rcu_read_unlock(); -+ return vx_map_pid(pid); -+} -+ -+#ifdef __alpha__ - -- return pid; -+/* -+ * The Alpha uses getxpid, getxuid, and getxgid instead. -+ */ -+ -+asmlinkage long do_getxpid(long *ppid) -+{ -+ *ppid = sys_getppid(); -+ return sys_getpid(); - } - -+#else /* _alpha_ */ -+ - asmlinkage long sys_getuid(void) - { - /* Only we change this so SMP safe */ -@@ -1500,6 +1509,8 @@ asmlinkage long sys_sysinfo(struct sysin - tp.tv_nsec = tp.tv_nsec - NSEC_PER_SEC; - tp.tv_sec++; - } -+ if (vx_flags(VXF_VIRT_UPTIME, 0)) -+ vx_vsi_uptime(&tp, NULL); - val.uptime = tp.tv_sec + (tp.tv_nsec ? 1 : 0); - - val.loads[0] = avenrun[0] << (SI_LOAD_SHIFT - FSHIFT); -Index: linux-2.6.18/kernel/user.c -=================================================================== ---- linux-2.6.18.orig/kernel/user.c -+++ linux-2.6.18/kernel/user.c -@@ -23,8 +23,8 @@ - #define UIDHASH_BITS (CONFIG_BASE_SMALL ? 3 : 8) - #define UIDHASH_SZ (1 << UIDHASH_BITS) - #define UIDHASH_MASK (UIDHASH_SZ - 1) --#define __uidhashfn(uid) (((uid >> UIDHASH_BITS) + uid) & UIDHASH_MASK) --#define uidhashentry(uid) (uidhash_table + __uidhashfn((uid))) -+#define __uidhashfn(xid,uid) ((((uid) >> UIDHASH_BITS) + ((uid)^(xid))) & UIDHASH_MASK) -+#define uidhashentry(xid,uid) (uidhash_table + __uidhashfn((xid),(uid))) - - static kmem_cache_t *uid_cachep; - static struct list_head uidhash_table[UIDHASH_SZ]; -@@ -66,7 +66,7 @@ static inline void uid_hash_remove(struc - list_del(&up->uidhash_list); - } - --static inline struct user_struct *uid_hash_find(uid_t uid, struct list_head *hashent) -+static inline struct user_struct *uid_hash_find(xid_t xid, uid_t uid, struct list_head *hashent) - { - struct list_head *up; - -@@ -75,7 +75,7 @@ static inline struct user_struct *uid_ha - - user = list_entry(up, struct user_struct, uidhash_list); - -- if(user->uid == uid) { -+ if(user->uid == uid && user->xid == xid) { - atomic_inc(&user->__count); - return user; - } -@@ -90,13 +90,13 @@ static inline struct user_struct *uid_ha - * - * If the user_struct could not be found, return NULL. - */ --struct user_struct *find_user(uid_t uid) -+struct user_struct *find_user(xid_t xid, uid_t uid) - { - struct user_struct *ret; - unsigned long flags; - - spin_lock_irqsave(&uidhash_lock, flags); -- ret = uid_hash_find(uid, uidhashentry(uid)); -+ ret = uid_hash_find(xid, uid, uidhashentry(xid, uid)); - spin_unlock_irqrestore(&uidhash_lock, flags); - return ret; - } -@@ -120,13 +120,13 @@ void free_uid(struct user_struct *up) - } - } - --struct user_struct * alloc_uid(uid_t uid) -+struct user_struct * alloc_uid(xid_t xid, uid_t uid) - { -- struct list_head *hashent = uidhashentry(uid); -+ struct list_head *hashent = uidhashentry(xid, uid); - struct user_struct *up; - - spin_lock_irq(&uidhash_lock); -- up = uid_hash_find(uid, hashent); -+ up = uid_hash_find(xid, uid, hashent); - spin_unlock_irq(&uidhash_lock); - - if (!up) { -@@ -136,6 +136,7 @@ struct user_struct * alloc_uid(uid_t uid - if (!new) - return NULL; - new->uid = uid; -+ new->xid = xid; - atomic_set(&new->__count, 1); - atomic_set(&new->processes, 0); - atomic_set(&new->files, 0); -@@ -158,7 +159,7 @@ struct user_struct * alloc_uid(uid_t uid - * on adding the same user already.. - */ - spin_lock_irq(&uidhash_lock); -- up = uid_hash_find(uid, hashent); -+ up = uid_hash_find(xid, uid, hashent); - if (up) { - key_put(new->uid_keyring); - key_put(new->session_keyring); -@@ -204,7 +205,7 @@ static int __init uid_cache_init(void) - - /* Insert the root user immediately (init already runs as root) */ - spin_lock_irq(&uidhash_lock); -- uid_hash_insert(&root_user, uidhashentry(0)); -+ uid_hash_insert(&root_user, uidhashentry(0,0)); - spin_unlock_irq(&uidhash_lock); - - return 0; -Index: linux-2.6.18/kernel/vserver/Kconfig -=================================================================== ---- /dev/null -+++ linux-2.6.18/kernel/vserver/Kconfig -@@ -0,0 +1,189 @@ -+# -+# Linux VServer configuration -+# -+ -+menu "Linux VServer" -+ -+config VSERVER_LEGACY -+ bool "Enable Legacy Kernel API" -+ default y -+ help -+ This enables the legacy API used in vs1.xx, maintaining -+ compatibility with older vserver tools, and guest images -+ that are configured using the legacy method. This is -+ probably a good idea for now, for migration purposes. -+ -+ Note that some tools have not yet been altered to use -+ this API, so disabling this option may reduce some -+ functionality. -+ -+config VSERVER_LEGACY_VERSION -+ bool "Show a Legacy Version ID" -+ depends on VSERVER_LEGACY -+ default n -+ help -+ This shows a special legacy version to very old tools -+ which do not handle the current version correctly. -+ -+ This will probably disable some features of newer tools -+ so better avoid it, unless you really, really need it -+ for backwards compatibility. -+ -+config VSERVER_LEGACYNET -+ bool "Enable Legacy Networking Kernel API" -+ default y -+ help -+ This enables the legacy networking API which is required -+ by the chbind tool (for util-vserver versions prior to -+ 0.30.210). If you use an older version, don't disable -+ this option. -+ -+config VSERVER_REMAP_SADDR -+ bool "Remap Source IP Address" -+ depends on EXPERIMENTAL && !VSERVER_LEGACY -+ default n -+ help -+ This allows to remap the source IP address of 'local' -+ connections from 127.0.0.1 to the first assigned -+ guest IP. -+ -+config VSERVER_PROC_SECURE -+ bool "Enable Proc Security" -+ depends on PROC_FS -+ default y -+ help -+ This configures ProcFS security to initially hide -+ non-process entries for all contexts except the main and -+ spectator context (i.e. for all guests), which is a secure -+ default. -+ -+ (note: on 1.2x the entries were visible by default) -+ -+config VSERVER_HARDCPU -+ bool "Enable Hard CPU Limits" -+ depends on EXPERIMENTAL -+ default n -+ help -+ Activate the Hard CPU Limits -+ -+ This will compile in code that allows the Token Bucket -+ Scheduler to put processes on hold when a context's -+ tokens are depleted (provided that its per-context -+ sched_hard flag is set). -+ -+ Processes belonging to that context will not be able -+ to consume CPU resources again until a per-context -+ configured minimum of tokens has been reached. -+ -+config VSERVER_HARDCPU_IDLE -+ bool "Limit the IDLE task" -+ depends on VSERVER_HARDCPU -+ default n -+ help -+ Limit the idle slices, so the the next context -+ will be scheduled as soon as possible. -+ -+ This might improve interactivity and latency, but -+ will also marginally increase scheduling overhead. -+ -+choice -+ prompt "Persistent Inode Context Tagging" -+ default INOXID_UGID24 -+ help -+ This adds persistent context information to filesystems -+ mounted with the tagxid option. Tagging is a requirement -+ for per-context disk limits and per-context quota. -+ -+ -+config INOXID_NONE -+ bool "Disabled" -+ help -+ do not store per-context information in inodes. -+ -+config INOXID_UID16 -+ bool "UID16/GID32" -+ help -+ reduces UID to 16 bit, but leaves GID at 32 bit. -+ -+config INOXID_GID16 -+ bool "UID32/GID16" -+ help -+ reduces GID to 16 bit, but leaves UID at 32 bit. -+ -+config INOXID_UGID24 -+ bool "UID24/GID24" -+ help -+ uses the upper 8bit from UID and GID for XID tagging -+ which leaves 24bit for UID/GID each, which should be -+ more than sufficient for normal use. -+ -+config INOXID_INTERN -+ bool "UID32/GID32" -+ help -+ this uses otherwise reserved inode fields in the on -+ disk representation, which limits the use to a few -+ filesystems (currently ext2 and ext3) -+ -+config INOXID_RUNTIME -+ bool "Runtime" -+ depends on EXPERIMENTAL -+ help -+ inodes are tagged when first accessed, this doesn't -+ require any persistant information, but might give -+ funny results for mixed access. -+ -+endchoice -+ -+config XID_TAG_NFSD -+ bool "Tag NFSD User Auth and Files" -+ default n -+ help -+ Enable this if you do want the in-kernel NFS -+ Server to use the xid tagging specified above. -+ (will require patched clients too) -+ -+config VSERVER_DEBUG -+ bool "VServer Debugging Code" -+ default n -+ help -+ Set this to yes if you want to be able to activate -+ debugging output at runtime. It adds a probably small -+ overhead to all vserver related functions and -+ increases the kernel size by about 20k. -+ -+config VSERVER_HISTORY -+ bool "VServer History Tracing" -+ depends on VSERVER_DEBUG -+ default n -+ help -+ Set this to yes if you want to record the history of -+ linux-vserver activities, so they can be replayed in -+ the event of a kernel panic or oops. -+ -+config VSERVER_HISTORY_SIZE -+ int "Per-CPU History Size (32-65536)" -+ depends on VSERVER_HISTORY -+ range 32 65536 -+ default 64 -+ help -+ This allows you to specify the number of entries in -+ the per-CPU history buffer. -+ -+endmenu -+ -+ -+config VSERVER -+ bool -+ default y -+ -+config VSERVER_SECURITY -+ bool -+ depends on SECURITY -+ default y -+ select SECURITY_CAPABILITIES -+ -+config VSERVER_NGNET -+ bool -+ depends on EXPERIMENTAL && !VSERVER_LEGACYNET -+ default y -+ -Index: linux-2.6.18/kernel/vserver/Makefile -=================================================================== ---- /dev/null -+++ linux-2.6.18/kernel/vserver/Makefile -@@ -0,0 +1,16 @@ -+# -+# Makefile for the Linux vserver routines. -+# -+ -+ -+obj-y += vserver.o -+ -+vserver-y := switch.o context.o namespace.o sched.o network.o inode.o \ -+ limit.o cvirt.o signal.o helper.o init.o dlimit.o -+ -+vserver-$(CONFIG_PROC_FS) += proc.o -+vserver-$(CONFIG_VSERVER_DEBUG) += sysctl.o -+vserver-$(CONFIG_VSERVER_LEGACY) += legacy.o -+vserver-$(CONFIG_VSERVER_LEGACYNET) += legacynet.o -+vserver-$(CONFIG_VSERVER_HISTORY) += history.o -+ -Index: linux-2.6.18/kernel/vserver/context.c -=================================================================== ---- /dev/null -+++ linux-2.6.18/kernel/vserver/context.c -@@ -0,0 +1,923 @@ -+/* -+ * linux/kernel/vserver/context.c -+ * -+ * Virtual Server: Context Support -+ * -+ * Copyright (C) 2003-2005 Herbert Pötzl -+ * -+ * V0.01 context helper -+ * V0.02 vx_ctx_kill syscall command -+ * V0.03 replaced context_info calls -+ * V0.04 redesign of struct (de)alloc -+ * V0.05 rlimit basic implementation -+ * V0.06 task_xid and info commands -+ * V0.07 context flags and caps -+ * V0.08 switch to RCU based hash -+ * V0.09 revert to non RCU for now -+ * V0.10 and back to working RCU hash -+ * V0.11 and back to locking again -+ * V0.12 have __create claim() the vxi -+ * -+ */ -+ -+#include <linux/slab.h> -+#include <linux/types.h> -+#include <linux/namespace.h> -+ -+#include <linux/sched.h> -+#include <linux/vserver/network.h> -+#include <linux/vserver/legacy.h> -+#include <linux/vserver/limit.h> -+#include <linux/vserver/debug.h> -+#include <linux/vserver/limit_int.h> -+ -+#include <linux/vs_context.h> -+#include <linux/vs_limit.h> -+#include <linux/vserver/context_cmd.h> -+ -+#include <linux/err.h> -+#include <asm/errno.h> -+ -+#include "cvirt_init.h" -+#include "limit_init.h" -+#include "sched_init.h" -+ -+ -+/* __alloc_vx_info() -+ -+ * allocate an initialized vx_info struct -+ * doesn't make it visible (hash) */ -+ -+static struct vx_info *__alloc_vx_info(xid_t xid) -+{ -+ struct vx_info *new = NULL; -+ -+ vxdprintk(VXD_CBIT(xid, 0), "alloc_vx_info(%d)*", xid); -+ -+ /* would this benefit from a slab cache? */ -+ new = kmalloc(sizeof(struct vx_info), GFP_KERNEL); -+ if (!new) -+ return 0; -+ -+ memset (new, 0, sizeof(struct vx_info)); -+ new->vx_id = xid; -+ INIT_HLIST_NODE(&new->vx_hlist); -+ atomic_set(&new->vx_usecnt, 0); -+ atomic_set(&new->vx_tasks, 0); -+ new->vx_parent = NULL; -+ new->vx_state = 0; -+ init_waitqueue_head(&new->vx_wait); -+ -+ /* prepare reaper */ -+ get_task_struct(child_reaper); -+ new->vx_reaper = child_reaper; -+ -+ /* rest of init goes here */ -+ vx_info_init_limit(&new->limit); -+ vx_info_init_sched(&new->sched); -+ vx_info_init_cvirt(&new->cvirt); -+ vx_info_init_cacct(&new->cacct); -+ -+ new->vx_flags = VXF_INIT_SET; -+ new->vx_bcaps = CAP_INIT_EFF_SET; -+ new->vx_ccaps = 0; -+ -+ new->reboot_cmd = 0; -+ new->exit_code = 0; -+ -+ vxdprintk(VXD_CBIT(xid, 0), -+ "alloc_vx_info(%d) = %p", xid, new); -+ vxh_alloc_vx_info(new); -+ return new; -+} -+ -+/* __dealloc_vx_info() -+ -+ * final disposal of vx_info */ -+ -+static void __dealloc_vx_info(struct vx_info *vxi) -+{ -+ vxdprintk(VXD_CBIT(xid, 0), -+ "dealloc_vx_info(%p)", vxi); -+ vxh_dealloc_vx_info(vxi); -+ -+ vxi->vx_hlist.next = LIST_POISON1; -+ vxi->vx_id = -1; -+ -+ vx_info_exit_limit(&vxi->limit); -+ vx_info_exit_sched(&vxi->sched); -+ vx_info_exit_cvirt(&vxi->cvirt); -+ vx_info_exit_cacct(&vxi->cacct); -+ -+ vxi->vx_state |= VXS_RELEASED; -+ kfree(vxi); -+} -+ -+static void __shutdown_vx_info(struct vx_info *vxi) -+{ -+ struct namespace *namespace; -+ struct fs_struct *fs; -+ -+ might_sleep(); -+ -+ vxi->vx_state |= VXS_SHUTDOWN; -+ vs_state_change(vxi, VSC_SHUTDOWN); -+ -+ namespace = xchg(&vxi->vx_namespace, NULL); -+ if (namespace) -+ put_namespace(namespace); -+ -+ fs = xchg(&vxi->vx_fs, NULL); -+ if (fs) -+ put_fs_struct(fs); -+} -+ -+/* exported stuff */ -+ -+void free_vx_info(struct vx_info *vxi) -+{ -+ /* context shutdown is mandatory */ -+ BUG_ON(!vx_info_state(vxi, VXS_SHUTDOWN)); -+ -+ BUG_ON(atomic_read(&vxi->vx_usecnt)); -+ BUG_ON(atomic_read(&vxi->vx_tasks)); -+ -+ BUG_ON(vx_info_state(vxi, VXS_HASHED)); -+ -+ BUG_ON(vxi->vx_namespace); -+ BUG_ON(vxi->vx_fs); -+ -+ __dealloc_vx_info(vxi); -+} -+ -+ -+/* hash table for vx_info hash */ -+ -+#define VX_HASH_SIZE 13 -+ -+struct hlist_head vx_info_hash[VX_HASH_SIZE]; -+ -+static spinlock_t vx_info_hash_lock = SPIN_LOCK_UNLOCKED; -+ -+ -+static inline unsigned int __hashval(xid_t xid) -+{ -+ return (xid % VX_HASH_SIZE); -+} -+ -+ -+ -+/* __hash_vx_info() -+ -+ * add the vxi to the global hash table -+ * requires the hash_lock to be held */ -+ -+static inline void __hash_vx_info(struct vx_info *vxi) -+{ -+ struct hlist_head *head; -+ -+ vxd_assert_lock(&vx_info_hash_lock); -+ vxdprintk(VXD_CBIT(xid, 4), -+ "__hash_vx_info: %p[#%d]", vxi, vxi->vx_id); -+ vxh_hash_vx_info(vxi); -+ -+ /* context must not be hashed */ -+ BUG_ON(vx_info_state(vxi, VXS_HASHED)); -+ -+ vxi->vx_state |= VXS_HASHED; -+ head = &vx_info_hash[__hashval(vxi->vx_id)]; -+ hlist_add_head(&vxi->vx_hlist, head); -+} -+ -+/* __unhash_vx_info() -+ -+ * remove the vxi from the global hash table -+ * requires the hash_lock to be held */ -+ -+static inline void __unhash_vx_info(struct vx_info *vxi) -+{ -+ vxdprintk(VXD_CBIT(xid, 4), -+ "__unhash_vx_info: %p[#%d]", vxi, vxi->vx_id); -+ spin_lock(&vx_info_hash_lock); -+ vxh_unhash_vx_info(vxi); -+ -+ /* context must be hashed */ -+ BUG_ON(!vx_info_state(vxi, VXS_HASHED)); -+ -+ vxi->vx_state &= ~VXS_HASHED; -+ hlist_del(&vxi->vx_hlist); -+ spin_unlock(&vx_info_hash_lock); -+} -+ -+ -+/* __lookup_vx_info() -+ -+ * requires the hash_lock to be held -+ * doesn't increment the vx_refcnt */ -+ -+static inline struct vx_info *__lookup_vx_info(xid_t xid) -+{ -+ struct hlist_head *head = &vx_info_hash[__hashval(xid)]; -+ struct hlist_node *pos; -+ struct vx_info *vxi; -+ -+ vxd_assert_lock(&vx_info_hash_lock); -+ hlist_for_each(pos, head) { -+ vxi = hlist_entry(pos, struct vx_info, vx_hlist); -+ -+ if (vxi->vx_id == xid) -+ goto found; -+ } -+ vxi = NULL; -+found: -+ vxdprintk(VXD_CBIT(xid, 0), -+ "__lookup_vx_info(#%u): %p[#%u]", -+ xid, vxi, vxi?vxi->vx_id:0); -+ vxh_lookup_vx_info(vxi, xid); -+ return vxi; -+} -+ -+ -+/* __vx_dynamic_id() -+ -+ * find unused dynamic xid -+ * requires the hash_lock to be held */ -+ -+static inline xid_t __vx_dynamic_id(void) -+{ -+ static xid_t seq = MAX_S_CONTEXT; -+ xid_t barrier = seq; -+ -+ vxd_assert_lock(&vx_info_hash_lock); -+ do { -+ if (++seq > MAX_S_CONTEXT) -+ seq = MIN_D_CONTEXT; -+ if (!__lookup_vx_info(seq)) { -+ vxdprintk(VXD_CBIT(xid, 4), -+ "__vx_dynamic_id: [#%d]", seq); -+ return seq; -+ } -+ } while (barrier != seq); -+ return 0; -+} -+ -+#ifdef CONFIG_VSERVER_LEGACY -+ -+/* __loc_vx_info() -+ -+ * locate or create the requested context -+ * get() it and if new hash it */ -+ -+static struct vx_info * __loc_vx_info(int id, int *err) -+{ -+ struct vx_info *new, *vxi = NULL; -+ -+ vxdprintk(VXD_CBIT(xid, 1), "loc_vx_info(%d)*", id); -+ -+ if (!(new = __alloc_vx_info(id))) { -+ *err = -ENOMEM; -+ return NULL; -+ } -+ -+ /* required to make dynamic xids unique */ -+ spin_lock(&vx_info_hash_lock); -+ -+ /* dynamic context requested */ -+ if (id == VX_DYNAMIC_ID) { -+ id = __vx_dynamic_id(); -+ if (!id) { -+ printk(KERN_ERR "no dynamic context available.\n"); -+ goto out_unlock; -+ } -+ new->vx_id = id; -+ } -+ /* existing context requested */ -+ else if ((vxi = __lookup_vx_info(id))) { -+ /* context in setup is not available */ -+ if (vxi->vx_flags & VXF_STATE_SETUP) { -+ vxdprintk(VXD_CBIT(xid, 0), -+ "loc_vx_info(%d) = %p (not available)", id, vxi); -+ vxi = NULL; -+ *err = -EBUSY; -+ } else { -+ vxdprintk(VXD_CBIT(xid, 0), -+ "loc_vx_info(%d) = %p (found)", id, vxi); -+ get_vx_info(vxi); -+ *err = 0; -+ } -+ goto out_unlock; -+ } -+ -+ /* new context requested */ -+ vxdprintk(VXD_CBIT(xid, 0), -+ "loc_vx_info(%d) = %p (new)", id, new); -+ __hash_vx_info(get_vx_info(new)); -+ vxi = new, new = NULL; -+ *err = 1; -+ -+out_unlock: -+ spin_unlock(&vx_info_hash_lock); -+ vxh_loc_vx_info(vxi, id); -+ if (new) -+ __dealloc_vx_info(new); -+ return vxi; -+} -+ -+#endif -+ -+/* __create_vx_info() -+ -+ * create the requested context -+ * get(), claim() and hash it */ -+ -+static struct vx_info * __create_vx_info(int id) -+{ -+ struct vx_info *new, *vxi = NULL; -+ -+ vxdprintk(VXD_CBIT(xid, 1), "create_vx_info(%d)*", id); -+ -+ if (!(new = __alloc_vx_info(id))) -+ return ERR_PTR(-ENOMEM); -+ -+ /* required to make dynamic xids unique */ -+ spin_lock(&vx_info_hash_lock); -+ -+ /* dynamic context requested */ -+ if (id == VX_DYNAMIC_ID) { -+ id = __vx_dynamic_id(); -+ if (!id) { -+ printk(KERN_ERR "no dynamic context available.\n"); -+ vxi = ERR_PTR(-EAGAIN); -+ goto out_unlock; -+ } -+ new->vx_id = id; -+ } -+ /* static context requested */ -+ else if ((vxi = __lookup_vx_info(id))) { -+ vxdprintk(VXD_CBIT(xid, 0), -+ "create_vx_info(%d) = %p (already there)", id, vxi); -+ if (vx_info_flags(vxi, VXF_STATE_SETUP, 0)) -+ vxi = ERR_PTR(-EBUSY); -+ else -+ vxi = ERR_PTR(-EEXIST); -+ goto out_unlock; -+ } -+ /* dynamic xid creation blocker */ -+ else if (id >= MIN_D_CONTEXT) { -+ vxdprintk(VXD_CBIT(xid, 0), -+ "create_vx_info(%d) (dynamic rejected)", id); -+ vxi = ERR_PTR(-EINVAL); -+ goto out_unlock; -+ } -+ -+ /* new context */ -+ vxdprintk(VXD_CBIT(xid, 0), -+ "create_vx_info(%d) = %p (new)", id, new); -+ claim_vx_info(new, NULL); -+ __hash_vx_info(get_vx_info(new)); -+ vxi = new, new = NULL; -+ -+out_unlock: -+ spin_unlock(&vx_info_hash_lock); -+ vxh_create_vx_info(IS_ERR(vxi)?NULL:vxi, id); -+ if (new) -+ __dealloc_vx_info(new); -+ return vxi; -+} -+ -+ -+/* exported stuff */ -+ -+ -+void unhash_vx_info(struct vx_info *vxi) -+{ -+ __shutdown_vx_info(vxi); -+ __unhash_vx_info(vxi); -+ __wakeup_vx_info(vxi); -+} -+ -+ -+/* lookup_vx_info() -+ -+ * search for a vx_info and get() it -+ * negative id means current */ -+ -+struct vx_info *lookup_vx_info(int id) -+{ -+ struct vx_info *vxi = NULL; -+ -+ if (id < 0) { -+ vxi = get_vx_info(current->vx_info); -+ } else if (id > 1) { -+ spin_lock(&vx_info_hash_lock); -+ vxi = get_vx_info(__lookup_vx_info(id)); -+ spin_unlock(&vx_info_hash_lock); -+ } -+ return vxi; -+} -+ -+/* xid_is_hashed() -+ -+ * verify that xid is still hashed */ -+ -+int xid_is_hashed(xid_t xid) -+{ -+ int hashed; -+ -+ spin_lock(&vx_info_hash_lock); -+ hashed = (__lookup_vx_info(xid) != NULL); -+ spin_unlock(&vx_info_hash_lock); -+ return hashed; -+} -+ -+#ifdef CONFIG_VSERVER_LEGACY -+ -+struct vx_info *lookup_or_create_vx_info(int id) -+{ -+ int err; -+ -+ return __loc_vx_info(id, &err); -+} -+ -+#endif -+ -+#ifdef CONFIG_PROC_FS -+ -+int get_xid_list(int index, unsigned int *xids, int size) -+{ -+ int hindex, nr_xids = 0; -+ -+ for (hindex = 0; hindex < VX_HASH_SIZE; hindex++) { -+ struct hlist_head *head = &vx_info_hash[hindex]; -+ struct hlist_node *pos; -+ -+ spin_lock(&vx_info_hash_lock); -+ hlist_for_each(pos, head) { -+ struct vx_info *vxi; -+ -+ if (--index > 0) -+ continue; -+ -+ vxi = hlist_entry(pos, struct vx_info, vx_hlist); -+ xids[nr_xids] = vxi->vx_id; -+ if (++nr_xids >= size) { -+ spin_unlock(&vx_info_hash_lock); -+ goto out; -+ } -+ } -+ /* keep the lock time short */ -+ spin_unlock(&vx_info_hash_lock); -+ } -+out: -+ return nr_xids; -+} -+#endif -+ -+ -+int vx_migrate_user(struct task_struct *p, struct vx_info *vxi) -+{ -+ struct user_struct *new_user, *old_user; -+ -+ if (!p || !vxi) -+ BUG(); -+ new_user = alloc_uid(vxi->vx_id, p->uid); -+ if (!new_user) -+ return -ENOMEM; -+ -+ old_user = p->user; -+ if (new_user != old_user) { -+ atomic_inc(&new_user->processes); -+ atomic_dec(&old_user->processes); -+ p->user = new_user; -+ } -+ free_uid(old_user); -+ return 0; -+} -+ -+void vx_mask_bcaps(struct vx_info *vxi, struct task_struct *p) -+{ -+ p->cap_effective &= vxi->vx_bcaps; -+ p->cap_inheritable &= vxi->vx_bcaps; -+ p->cap_permitted &= vxi->vx_bcaps; -+} -+ -+ -+#include <linux/file.h> -+ -+static int vx_openfd_task(struct task_struct *tsk) -+{ -+ struct files_struct *files = tsk->files; -+ struct fdtable *fdt; -+ const unsigned long *bptr; -+ int count, total; -+ -+ /* no rcu_read_lock() because of spin_lock() */ -+ spin_lock(&files->file_lock); -+ fdt = files_fdtable(files); -+ bptr = fdt->open_fds->fds_bits; -+ count = fdt->max_fds / (sizeof(unsigned long) * 8); -+ for (total = 0; count > 0; count--) { -+ if (*bptr) -+ total += hweight_long(*bptr); -+ bptr++; -+ } -+ spin_unlock(&files->file_lock); -+ return total; -+} -+ -+/* -+ * migrate task to new context -+ * gets vxi, puts old_vxi on change -+ */ -+ -+int vx_migrate_task(struct task_struct *p, struct vx_info *vxi) -+{ -+ struct vx_info *old_vxi; -+ int ret = 0; -+ -+ if (!p || !vxi) -+ BUG(); -+ -+ old_vxi = task_get_vx_info(p); -+ if (old_vxi == vxi) -+ goto out; -+ -+ vxdprintk(VXD_CBIT(xid, 5), -+ "vx_migrate_task(%p,%p[#%d.%d])", p, vxi, -+ vxi->vx_id, atomic_read(&vxi->vx_usecnt)); -+ -+ if (!(ret = vx_migrate_user(p, vxi))) { -+ int openfd; -+ -+ task_lock(p); -+ openfd = vx_openfd_task(p); -+ -+ if (old_vxi) { -+ atomic_dec(&old_vxi->cvirt.nr_threads); -+ atomic_dec(&old_vxi->cvirt.nr_running); -+ atomic_dec(&old_vxi->limit.rcur[RLIMIT_NPROC]); -+ /* FIXME: what about the struct files here? */ -+ atomic_sub(openfd, &old_vxi->limit.rcur[VLIMIT_OPENFD]); -+ } -+ atomic_inc(&vxi->cvirt.nr_threads); -+ atomic_inc(&vxi->cvirt.nr_running); -+ atomic_inc(&vxi->limit.rcur[RLIMIT_NPROC]); -+ /* FIXME: what about the struct files here? */ -+ atomic_add(openfd, &vxi->limit.rcur[VLIMIT_OPENFD]); -+ -+ if (old_vxi) { -+ release_vx_info(old_vxi, p); -+ clr_vx_info(&p->vx_info); -+ } -+ claim_vx_info(vxi, p); -+ set_vx_info(&p->vx_info, vxi); -+ p->xid = vxi->vx_id; -+ -+ vxdprintk(VXD_CBIT(xid, 5), -+ "moved task %p into vxi:%p[#%d]", -+ p, vxi, vxi->vx_id); -+ -+ vx_mask_bcaps(vxi, p); -+ task_unlock(p); -+ } -+out: -+ put_vx_info(old_vxi); -+ return ret; -+} -+ -+int vx_set_reaper(struct vx_info *vxi, struct task_struct *p) -+{ -+ struct task_struct *old_reaper; -+ -+ if (!vxi) -+ return -EINVAL; -+ -+ vxdprintk(VXD_CBIT(xid, 6), -+ "vx_set_reaper(%p[#%d],%p[#%d,%d])", -+ vxi, vxi->vx_id, p, p->xid, p->pid); -+ -+ old_reaper = vxi->vx_reaper; -+ if (old_reaper == p) -+ return 0; -+ -+ /* set new child reaper */ -+ get_task_struct(p); -+ vxi->vx_reaper = p; -+ put_task_struct(old_reaper); -+ return 0; -+} -+ -+int vx_set_init(struct vx_info *vxi, struct task_struct *p) -+{ -+ if (!vxi) -+ return -EINVAL; -+ -+ vxdprintk(VXD_CBIT(xid, 6), -+ "vx_set_init(%p[#%d],%p[#%d,%d,%d])", -+ vxi, vxi->vx_id, p, p->xid, p->pid, p->tgid); -+ -+ vxi->vx_flags &= ~VXF_STATE_INIT; -+ vxi->vx_initpid = p->tgid; -+ return 0; -+} -+ -+void vx_exit_init(struct vx_info *vxi, struct task_struct *p, int code) -+{ -+ vxdprintk(VXD_CBIT(xid, 6), -+ "vx_exit_init(%p[#%d],%p[#%d,%d,%d])", -+ vxi, vxi->vx_id, p, p->xid, p->pid, p->tgid); -+ -+ vxi->exit_code = code; -+ vxi->vx_initpid = 0; -+} -+ -+void vx_set_persistent(struct vx_info *vxi) -+{ -+ vxdprintk(VXD_CBIT(xid, 6), -+ "vx_set_persistent(%p[#%d])", vxi, vxi->vx_id); -+ -+ get_vx_info(vxi); -+ claim_vx_info(vxi, NULL); -+} -+ -+void vx_clear_persistent(struct vx_info *vxi) -+{ -+ vxdprintk(VXD_CBIT(xid, 6), -+ "vx_clear_persistent(%p[#%d])", vxi, vxi->vx_id); -+ -+ release_vx_info(vxi, NULL); -+ put_vx_info(vxi); -+} -+ -+void vx_update_persistent(struct vx_info *vxi) -+{ -+ if (vx_info_flags(vxi, VXF_PERSISTENT, 0)) -+ vx_set_persistent(vxi); -+ else -+ vx_clear_persistent(vxi); -+} -+ -+ -+/* task must be current or locked */ -+ -+void exit_vx_info(struct task_struct *p, int code) -+{ -+ struct vx_info *vxi = p->vx_info; -+ -+ if (vxi) { -+ atomic_dec(&vxi->cvirt.nr_threads); -+ vx_nproc_dec(p); -+ -+ vxi->exit_code = code; -+ release_vx_info(vxi, p); -+ } -+} -+ -+void exit_vx_info_early(struct task_struct *p, int code) -+{ -+ struct vx_info *vxi = p->vx_info; -+ -+ if (vxi) { -+ if (vxi->vx_initpid == p->tgid) -+ vx_exit_init(vxi, p, code); -+ if (vxi->vx_reaper == p) -+ vx_set_reaper(vxi, child_reaper); -+ } -+} -+ -+ -+/* vserver syscall commands below here */ -+ -+/* taks xid and vx_info functions */ -+ -+#include <asm/uaccess.h> -+ -+ -+int vc_task_xid(uint32_t id, void __user *data) -+{ -+ xid_t xid; -+ -+ if (id) { -+ struct task_struct *tsk; -+ -+ if (!vx_check(0, VX_ADMIN|VX_WATCH)) -+ return -EPERM; -+ -+ read_lock(&tasklist_lock); -+ tsk = find_task_by_real_pid(id); -+ xid = (tsk) ? tsk->xid : -ESRCH; -+ read_unlock(&tasklist_lock); -+ } -+ else -+ xid = vx_current_xid(); -+ return xid; -+} -+ -+ -+int vc_vx_info(uint32_t id, void __user *data) -+{ -+ struct vx_info *vxi; -+ struct vcmd_vx_info_v0 vc_data; -+ -+ if (!vx_check(0, VX_ADMIN)) -+ return -ENOSYS; -+ if (!capable(CAP_SYS_ADMIN) || !capable(CAP_SYS_RESOURCE)) -+ return -EPERM; -+ -+ vxi = lookup_vx_info(id); -+ if (!vxi) -+ return -ESRCH; -+ -+ vc_data.xid = vxi->vx_id; -+ vc_data.initpid = vxi->vx_initpid; -+ put_vx_info(vxi); -+ -+ if (copy_to_user (data, &vc_data, sizeof(vc_data))) -+ return -EFAULT; -+ return 0; -+} -+ -+ -+/* context functions */ -+ -+int vc_ctx_create(uint32_t xid, void __user *data) -+{ -+ struct vcmd_ctx_create vc_data = { .flagword = VXF_INIT_SET }; -+ struct vx_info *new_vxi; -+ int ret; -+ -+ if (!capable(CAP_SYS_ADMIN)) -+ return -EPERM; -+ if (data && copy_from_user (&vc_data, data, sizeof(vc_data))) -+ return -EFAULT; -+ -+ if ((xid > MAX_S_CONTEXT) && (xid != VX_DYNAMIC_ID)) -+ return -EINVAL; -+ if (xid < 2) -+ return -EINVAL; -+ -+ new_vxi = __create_vx_info(xid); -+ if (IS_ERR(new_vxi)) -+ return PTR_ERR(new_vxi); -+ -+ /* initial flags */ -+ new_vxi->vx_flags = vc_data.flagword; -+ -+ ret = -ENOEXEC; -+ if (vs_state_change(new_vxi, VSC_STARTUP)) -+ goto out; -+ -+ ret = vx_migrate_task(current, new_vxi); -+ if (ret) -+ goto out; -+ -+ /* return context id on success */ -+ ret = new_vxi->vx_id; -+ -+ /* get a reference for persistent contexts */ -+ if ((vc_data.flagword & VXF_PERSISTENT)) -+ vx_set_persistent(new_vxi); -+out: -+ release_vx_info(new_vxi, NULL); -+ put_vx_info(new_vxi); -+ return ret; -+} -+ -+ -+int vc_ctx_migrate(uint32_t id, void __user *data) -+{ -+ struct vcmd_ctx_migrate vc_data = { .flagword = 0 }; -+ struct vx_info *vxi; -+ -+ if (!capable(CAP_SYS_ADMIN)) -+ return -EPERM; -+ if (data && copy_from_user (&vc_data, data, sizeof(vc_data))) -+ return -EFAULT; -+ -+ /* dirty hack until Spectator becomes a cap */ -+ if (id == 1) { -+ current->xid = 1; -+ return 0; -+ } -+ -+ vxi = lookup_vx_info(id); -+ if (!vxi) -+ return -ESRCH; -+ vx_migrate_task(current, vxi); -+ if (vc_data.flagword & VXM_SET_INIT) -+ vx_set_init(vxi, current); -+ if (vc_data.flagword & VXM_SET_REAPER) -+ vx_set_reaper(vxi, current); -+ put_vx_info(vxi); -+ return 0; -+} -+ -+ -+int vc_get_cflags(uint32_t id, void __user *data) -+{ -+ struct vx_info *vxi; -+ struct vcmd_ctx_flags_v0 vc_data; -+ -+ if (!capable(CAP_SYS_ADMIN)) -+ return -EPERM; -+ -+ vxi = lookup_vx_info(id); -+ if (!vxi) -+ return -ESRCH; -+ -+ vc_data.flagword = vxi->vx_flags; -+ -+ /* special STATE flag handling */ -+ vc_data.mask = vx_mask_flags(~0UL, vxi->vx_flags, VXF_ONE_TIME); -+ -+ put_vx_info(vxi); -+ -+ if (copy_to_user (data, &vc_data, sizeof(vc_data))) -+ return -EFAULT; -+ return 0; -+} -+ -+int vc_set_cflags(uint32_t id, void __user *data) -+{ -+ struct vx_info *vxi; -+ struct vcmd_ctx_flags_v0 vc_data; -+ uint64_t mask, trigger; -+ -+ if (!capable(CAP_SYS_ADMIN)) -+ return -EPERM; -+ if (copy_from_user (&vc_data, data, sizeof(vc_data))) -+ return -EFAULT; -+ -+ vxi = lookup_vx_info(id); -+ if (!vxi) -+ return -ESRCH; -+ -+ /* special STATE flag handling */ -+ mask = vx_mask_mask(vc_data.mask, vxi->vx_flags, VXF_ONE_TIME); -+ trigger = (mask & vxi->vx_flags) ^ (mask & vc_data.flagword); -+ -+ if (vxi == current->vx_info) { -+ if (trigger & VXF_STATE_SETUP) -+ vx_mask_bcaps(vxi, current); -+ if (trigger & VXF_STATE_INIT) { -+ vx_set_init(vxi, current); -+ vx_set_reaper(vxi, current); -+ } -+ } -+ -+ vxi->vx_flags = vx_mask_flags(vxi->vx_flags, -+ vc_data.flagword, mask); -+ if (trigger & VXF_PERSISTENT) -+ vx_update_persistent(vxi); -+ -+ put_vx_info(vxi); -+ return 0; -+} -+ -+int vc_get_ccaps(uint32_t id, void __user *data) -+{ -+ struct vx_info *vxi; -+ struct vcmd_ctx_caps_v0 vc_data; -+ -+ if (!capable(CAP_SYS_ADMIN)) -+ return -EPERM; -+ -+ vxi = lookup_vx_info(id); -+ if (!vxi) -+ return -ESRCH; -+ -+ vc_data.bcaps = vxi->vx_bcaps; -+ vc_data.ccaps = vxi->vx_ccaps; -+ vc_data.cmask = ~0UL; -+ put_vx_info(vxi); -+ -+ if (copy_to_user (data, &vc_data, sizeof(vc_data))) -+ return -EFAULT; -+ return 0; -+} -+ -+int vc_set_ccaps(uint32_t id, void __user *data) -+{ -+ struct vx_info *vxi; -+ struct vcmd_ctx_caps_v0 vc_data; -+ -+ if (!capable(CAP_SYS_ADMIN)) -+ return -EPERM; -+ if (copy_from_user (&vc_data, data, sizeof(vc_data))) -+ return -EFAULT; -+ -+ vxi = lookup_vx_info(id); -+ if (!vxi) -+ return -ESRCH; -+ -+ vxi->vx_bcaps &= vc_data.bcaps; -+ vxi->vx_ccaps = vx_mask_flags(vxi->vx_ccaps, -+ vc_data.ccaps, vc_data.cmask); -+ put_vx_info(vxi); -+ return 0; -+} -+ -+#include <linux/module.h> -+ -+EXPORT_SYMBOL_GPL(free_vx_info); -+ -Index: linux-2.6.18/kernel/vserver/cvirt.c -=================================================================== ---- /dev/null -+++ linux-2.6.18/kernel/vserver/cvirt.c -@@ -0,0 +1,260 @@ -+/* -+ * linux/kernel/vserver/cvirt.c -+ * -+ * Virtual Server: Context Virtualization -+ * -+ * Copyright (C) 2004-2005 Herbert Pötzl -+ * -+ * V0.01 broken out from limit.c -+ * V0.02 added utsname stuff -+ * -+ */ -+ -+#include <linux/sched.h> -+#include <linux/sysctl.h> -+#include <linux/types.h> -+#include <linux/vs_context.h> -+#include <linux/vs_cvirt.h> -+#include <linux/vserver/switch.h> -+#include <linux/vserver/cvirt_cmd.h> -+ -+#include <asm/errno.h> -+#include <asm/uaccess.h> -+ -+ -+void vx_vsi_uptime(struct timespec *uptime, struct timespec *idle) -+{ -+ struct vx_info *vxi = current->vx_info; -+ -+ set_normalized_timespec(uptime, -+ uptime->tv_sec - vxi->cvirt.bias_uptime.tv_sec, -+ uptime->tv_nsec - vxi->cvirt.bias_uptime.tv_nsec); -+ if (!idle) -+ return; -+ set_normalized_timespec(idle, -+ idle->tv_sec - vxi->cvirt.bias_idle.tv_sec, -+ idle->tv_nsec - vxi->cvirt.bias_idle.tv_nsec); -+ return; -+} -+ -+uint64_t vx_idle_jiffies(void) -+{ -+ return init_task.utime + init_task.stime; -+} -+ -+ -+ -+static inline uint32_t __update_loadavg(uint32_t load, -+ int wsize, int delta, int n) -+{ -+ unsigned long long calc, prev; -+ -+ /* just set it to n */ -+ if (unlikely(delta >= wsize)) -+ return (n << FSHIFT); -+ -+ calc = delta * n; -+ calc <<= FSHIFT; -+ prev = (wsize - delta); -+ prev *= load; -+ calc += prev; -+ do_div(calc, wsize); -+ return calc; -+} -+ -+ -+void vx_update_load(struct vx_info *vxi) -+{ -+ uint32_t now, last, delta; -+ unsigned int nr_running, nr_uninterruptible; -+ unsigned int total; -+ unsigned long flags; -+ -+ spin_lock_irqsave(&vxi->cvirt.load_lock, flags); -+ -+ now = jiffies; -+ last = vxi->cvirt.load_last; -+ delta = now - last; -+ -+ if (delta < 5*HZ) -+ goto out; -+ -+ nr_running = atomic_read(&vxi->cvirt.nr_running); -+ nr_uninterruptible = atomic_read(&vxi->cvirt.nr_uninterruptible); -+ total = nr_running + nr_uninterruptible; -+ -+ vxi->cvirt.load[0] = __update_loadavg(vxi->cvirt.load[0], -+ 60*HZ, delta, total); -+ vxi->cvirt.load[1] = __update_loadavg(vxi->cvirt.load[1], -+ 5*60*HZ, delta, total); -+ vxi->cvirt.load[2] = __update_loadavg(vxi->cvirt.load[2], -+ 15*60*HZ, delta, total); -+ -+ vxi->cvirt.load_last = now; -+out: -+ atomic_inc(&vxi->cvirt.load_updates); -+ spin_unlock_irqrestore(&vxi->cvirt.load_lock, flags); -+} -+ -+ -+int vx_uts_virt_handler(struct ctl_table *ctl, int write, xid_t xid, -+ void **datap, size_t *lenp) -+{ -+ switch (ctl->ctl_name) { -+ case KERN_OSTYPE: -+ *datap = vx_new_uts(sysname); -+ break; -+ case KERN_OSRELEASE: -+ *datap = vx_new_uts(release); -+ break; -+ case KERN_VERSION: -+ *datap = vx_new_uts(version); -+ break; -+ case KERN_NODENAME: -+ *datap = vx_new_uts(nodename); -+ break; -+ case KERN_DOMAINNAME: -+ *datap = vx_new_uts(domainname); -+ break; -+ } -+ -+ return 0; -+} -+ -+ -+ -+/* -+ * Commands to do_syslog: -+ * -+ * 0 -- Close the log. Currently a NOP. -+ * 1 -- Open the log. Currently a NOP. -+ * 2 -- Read from the log. -+ * 3 -- Read all messages remaining in the ring buffer. -+ * 4 -- Read and clear all messages remaining in the ring buffer -+ * 5 -- Clear ring buffer. -+ * 6 -- Disable printk's to console -+ * 7 -- Enable printk's to console -+ * 8 -- Set level of messages printed to console -+ * 9 -- Return number of unread characters in the log buffer -+ * 10 -- Return size of the log buffer -+ */ -+int vx_do_syslog(int type, char __user *buf, int len) -+{ -+ int error = 0; -+ int do_clear = 0; -+ struct vx_info *vxi = current->vx_info; -+ struct _vx_syslog *log; -+ -+ if (!vxi) -+ return -EINVAL; -+ log = &vxi->cvirt.syslog; -+ -+ switch (type) { -+ case 0: /* Close log */ -+ case 1: /* Open log */ -+ break; -+ case 2: /* Read from log */ -+ error = wait_event_interruptible(log->log_wait, -+ (log->log_start - log->log_end)); -+ if (error) -+ break; -+ spin_lock_irq(&log->logbuf_lock); -+ spin_unlock_irq(&log->logbuf_lock); -+ break; -+ case 4: /* Read/clear last kernel messages */ -+ do_clear = 1; -+ /* fall through */ -+ case 3: /* Read last kernel messages */ -+ return 0; -+ -+ case 5: /* Clear ring buffer */ -+ return 0; -+ -+ case 6: /* Disable logging to console */ -+ case 7: /* Enable logging to console */ -+ case 8: /* Set level of messages printed to console */ -+ break; -+ -+ case 9: /* Number of chars in the log buffer */ -+ return 0; -+ case 10: /* Size of the log buffer */ -+ return 0; -+ default: -+ error = -EINVAL; -+ break; -+ } -+ return error; -+} -+ -+ -+/* virtual host info names */ -+ -+static char * vx_vhi_name(struct vx_info *vxi, int id) -+{ -+ switch (id) { -+ case VHIN_CONTEXT: -+ return vxi->vx_name; -+ case VHIN_SYSNAME: -+ return vxi->cvirt.utsname.sysname; -+ case VHIN_NODENAME: -+ return vxi->cvirt.utsname.nodename; -+ case VHIN_RELEASE: -+ return vxi->cvirt.utsname.release; -+ case VHIN_VERSION: -+ return vxi->cvirt.utsname.version; -+ case VHIN_MACHINE: -+ return vxi->cvirt.utsname.machine; -+ case VHIN_DOMAINNAME: -+ return vxi->cvirt.utsname.domainname; -+ default: -+ return NULL; -+ } -+ return NULL; -+} -+ -+int vc_set_vhi_name(uint32_t id, void __user *data) -+{ -+ struct vx_info *vxi; -+ struct vcmd_vhi_name_v0 vc_data; -+ char *name; -+ -+ if (!capable(CAP_SYS_ADMIN)) -+ return -EPERM; -+ if (copy_from_user (&vc_data, data, sizeof(vc_data))) -+ return -EFAULT; -+ -+ vxi = lookup_vx_info(id); -+ if (!vxi) -+ return -ESRCH; -+ -+ name = vx_vhi_name(vxi, vc_data.field); -+ if (name) -+ memcpy(name, vc_data.name, 65); -+ put_vx_info(vxi); -+ return (name ? 0 : -EFAULT); -+} -+ -+int vc_get_vhi_name(uint32_t id, void __user *data) -+{ -+ struct vx_info *vxi; -+ struct vcmd_vhi_name_v0 vc_data; -+ char *name; -+ -+ if (copy_from_user (&vc_data, data, sizeof(vc_data))) -+ return -EFAULT; -+ -+ vxi = lookup_vx_info(id); -+ if (!vxi) -+ return -ESRCH; -+ -+ name = vx_vhi_name(vxi, vc_data.field); -+ if (!name) -+ goto out_put; -+ -+ memcpy(vc_data.name, name, 65); -+ if (copy_to_user (data, &vc_data, sizeof(vc_data))) -+ return -EFAULT; -+out_put: -+ put_vx_info(vxi); -+ return (name ? 0 : -EFAULT); -+} -Index: linux-2.6.18/kernel/vserver/cvirt_init.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/kernel/vserver/cvirt_init.h -@@ -0,0 +1,78 @@ -+ -+ -+extern uint64_t vx_idle_jiffies(void); -+ -+static inline void vx_info_init_cvirt(struct _vx_cvirt *cvirt) -+{ -+ uint64_t idle_jiffies = vx_idle_jiffies(); -+ uint64_t nsuptime; -+ -+ do_posix_clock_monotonic_gettime(&cvirt->bias_uptime); -+ nsuptime = (unsigned long long)cvirt->bias_uptime.tv_sec -+ * NSEC_PER_SEC + cvirt->bias_uptime.tv_nsec; -+ cvirt->bias_clock = nsec_to_clock_t(nsuptime); -+ -+ jiffies_to_timespec(idle_jiffies, &cvirt->bias_idle); -+ atomic_set(&cvirt->nr_threads, 0); -+ atomic_set(&cvirt->nr_running, 0); -+ atomic_set(&cvirt->nr_uninterruptible, 0); -+ atomic_set(&cvirt->nr_onhold, 0); -+ -+ down_read(&uts_sem); -+ cvirt->utsname = system_utsname; -+ up_read(&uts_sem); -+ -+ spin_lock_init(&cvirt->load_lock); -+ cvirt->load_last = jiffies; -+ atomic_set(&cvirt->load_updates, 0); -+ cvirt->load[0] = 0; -+ cvirt->load[1] = 0; -+ cvirt->load[2] = 0; -+ atomic_set(&cvirt->total_forks, 0); -+ -+ spin_lock_init(&cvirt->syslog.logbuf_lock); -+ init_waitqueue_head(&cvirt->syslog.log_wait); -+ cvirt->syslog.log_start = 0; -+ cvirt->syslog.log_end = 0; -+ cvirt->syslog.con_start = 0; -+ cvirt->syslog.logged_chars = 0; -+} -+ -+static inline void vx_info_exit_cvirt(struct _vx_cvirt *cvirt) -+{ -+#ifdef CONFIG_VSERVER_DEBUG -+ int value; -+ -+ vxwprintk((value = atomic_read(&cvirt->nr_threads)), -+ "!!! cvirt: %p[nr_threads] = %d on exit.", -+ cvirt, value); -+ vxwprintk((value = atomic_read(&cvirt->nr_running)), -+ "!!! cvirt: %p[nr_running] = %d on exit.", -+ cvirt, value); -+ vxwprintk((value = atomic_read(&cvirt->nr_uninterruptible)), -+ "!!! cvirt: %p[nr_uninterruptible] = %d on exit.", -+ cvirt, value); -+ vxwprintk((value = atomic_read(&cvirt->nr_onhold)), -+ "!!! cvirt: %p[nr_onhold] = %d on exit.", -+ cvirt, value); -+#endif -+ return; -+} -+ -+static inline void vx_info_init_cacct(struct _vx_cacct *cacct) -+{ -+ int i,j; -+ -+ for (i=0; i<5; i++) { -+ for (j=0; j<3; j++) { -+ atomic_set(&cacct->sock[i][j].count, 0); -+ atomic_set(&cacct->sock[i][j].total, 0); -+ } -+ } -+} -+ -+static inline void vx_info_exit_cacct(struct _vx_cacct *cacct) -+{ -+ return; -+} -+ -Index: linux-2.6.18/kernel/vserver/cvirt_proc.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/kernel/vserver/cvirt_proc.h -@@ -0,0 +1,92 @@ -+#ifndef _VX_CVIRT_PROC_H -+#define _VX_CVIRT_PROC_H -+ -+#include <linux/sched.h> -+ -+ -+#define LOAD_INT(x) ((x) >> FSHIFT) -+#define LOAD_FRAC(x) LOAD_INT(((x) & (FIXED_1-1)) * 100) -+ -+static inline int vx_info_proc_cvirt(struct _vx_cvirt *cvirt, char *buffer) -+{ -+ int length = 0; -+ int a, b, c; -+ -+ length += sprintf(buffer + length, -+ "BiasUptime:\t%lu.%02lu\n", -+ (unsigned long)cvirt->bias_uptime.tv_sec, -+ (cvirt->bias_uptime.tv_nsec / (NSEC_PER_SEC / 100))); -+ length += sprintf(buffer + length, -+ "SysName:\t%.*s\n" -+ "NodeName:\t%.*s\n" -+ "Release:\t%.*s\n" -+ "Version:\t%.*s\n" -+ "Machine:\t%.*s\n" -+ "DomainName:\t%.*s\n" -+ ,__NEW_UTS_LEN, cvirt->utsname.sysname -+ ,__NEW_UTS_LEN, cvirt->utsname.nodename -+ ,__NEW_UTS_LEN, cvirt->utsname.release -+ ,__NEW_UTS_LEN, cvirt->utsname.version -+ ,__NEW_UTS_LEN, cvirt->utsname.machine -+ ,__NEW_UTS_LEN, cvirt->utsname.domainname -+ ); -+ -+ a = cvirt->load[0] + (FIXED_1/200); -+ b = cvirt->load[1] + (FIXED_1/200); -+ c = cvirt->load[2] + (FIXED_1/200); -+ length += sprintf(buffer + length, -+ "nr_threads:\t%d\n" -+ "nr_running:\t%d\n" -+ "nr_unintr:\t%d\n" -+ "nr_onhold:\t%d\n" -+ "load_updates:\t%d\n" -+ "loadavg:\t%d.%02d %d.%02d %d.%02d\n" -+ "total_forks:\t%d\n" -+ ,atomic_read(&cvirt->nr_threads) -+ ,atomic_read(&cvirt->nr_running) -+ ,atomic_read(&cvirt->nr_uninterruptible) -+ ,atomic_read(&cvirt->nr_onhold) -+ ,atomic_read(&cvirt->load_updates) -+ ,LOAD_INT(a), LOAD_FRAC(a) -+ ,LOAD_INT(b), LOAD_FRAC(b) -+ ,LOAD_INT(c), LOAD_FRAC(c) -+ ,atomic_read(&cvirt->total_forks) -+ ); -+ return length; -+} -+ -+ -+static inline long vx_sock_count(struct _vx_cacct *cacct, int type, int pos) -+{ -+ return atomic_read(&cacct->sock[type][pos].count); -+} -+ -+ -+static inline long vx_sock_total(struct _vx_cacct *cacct, int type, int pos) -+{ -+ return atomic_read(&cacct->sock[type][pos].total); -+} -+ -+static inline int vx_info_proc_cacct(struct _vx_cacct *cacct, char *buffer) -+{ -+ int i,j, length = 0; -+ static char *type[] = { "UNSPEC", "UNIX", "INET", "INET6", "OTHER" }; -+ -+ for (i=0; i<5; i++) { -+ length += sprintf(buffer + length, -+ "%s:", type[i]); -+ for (j=0; j<3; j++) { -+ length += sprintf(buffer + length, -+ "\t%12lu/%-12lu" -+ ,vx_sock_count(cacct, i, j) -+ ,vx_sock_total(cacct, i, j) -+ ); -+ } -+ buffer[length++] = '\n'; -+ } -+ length += sprintf(buffer + length, -+ "forks:\t%lu\n", cacct->total_forks); -+ return length; -+} -+ -+#endif /* _VX_CVIRT_PROC_H */ -Index: linux-2.6.18/kernel/vserver/dlimit.c -=================================================================== ---- /dev/null -+++ linux-2.6.18/kernel/vserver/dlimit.c -@@ -0,0 +1,548 @@ -+/* -+ * linux/kernel/vserver/dlimit.c -+ * -+ * Virtual Server: Context Disk Limits -+ * -+ * Copyright (C) 2004-2005 Herbert Pötzl -+ * -+ * V0.01 initial version -+ * V0.02 compat32 splitup -+ * -+ */ -+ -+#include <linux/fs.h> -+#include <linux/namespace.h> -+#include <linux/namei.h> -+#include <linux/statfs.h> -+#include <linux/compat.h> -+#include <linux/vserver/switch.h> -+#include <linux/vs_context.h> -+#include <linux/vs_dlimit.h> -+#include <linux/vserver/dlimit_cmd.h> -+ -+#include <asm/errno.h> -+#include <asm/uaccess.h> -+ -+/* __alloc_dl_info() -+ -+ * allocate an initialized dl_info struct -+ * doesn't make it visible (hash) */ -+ -+static struct dl_info *__alloc_dl_info(struct super_block *sb, xid_t xid) -+{ -+ struct dl_info *new = NULL; -+ -+ vxdprintk(VXD_CBIT(dlim, 5), -+ "alloc_dl_info(%p,%d)*", sb, xid); -+ -+ /* would this benefit from a slab cache? */ -+ new = kmalloc(sizeof(struct dl_info), GFP_KERNEL); -+ if (!new) -+ return 0; -+ -+ memset (new, 0, sizeof(struct dl_info)); -+ new->dl_xid = xid; -+ new->dl_sb = sb; -+ INIT_RCU_HEAD(&new->dl_rcu); -+ INIT_HLIST_NODE(&new->dl_hlist); -+ spin_lock_init(&new->dl_lock); -+ atomic_set(&new->dl_refcnt, 0); -+ atomic_set(&new->dl_usecnt, 0); -+ -+ /* rest of init goes here */ -+ -+ vxdprintk(VXD_CBIT(dlim, 4), -+ "alloc_dl_info(%p,%d) = %p", sb, xid, new); -+ return new; -+} -+ -+/* __dealloc_dl_info() -+ -+ * final disposal of dl_info */ -+ -+static void __dealloc_dl_info(struct dl_info *dli) -+{ -+ vxdprintk(VXD_CBIT(dlim, 4), -+ "dealloc_dl_info(%p)", dli); -+ -+ dli->dl_hlist.next = LIST_POISON1; -+ dli->dl_xid = -1; -+ dli->dl_sb = 0; -+ -+ BUG_ON(atomic_read(&dli->dl_usecnt)); -+ BUG_ON(atomic_read(&dli->dl_refcnt)); -+ -+ kfree(dli); -+} -+ -+ -+/* hash table for dl_info hash */ -+ -+#define DL_HASH_SIZE 13 -+ -+struct hlist_head dl_info_hash[DL_HASH_SIZE]; -+ -+static spinlock_t dl_info_hash_lock = SPIN_LOCK_UNLOCKED; -+ -+ -+static inline unsigned int __hashval(struct super_block *sb, xid_t xid) -+{ -+ return ((xid ^ (unsigned long)sb) % DL_HASH_SIZE); -+} -+ -+ -+ -+/* __hash_dl_info() -+ -+ * add the dli to the global hash table -+ * requires the hash_lock to be held */ -+ -+static inline void __hash_dl_info(struct dl_info *dli) -+{ -+ struct hlist_head *head; -+ -+ vxdprintk(VXD_CBIT(dlim, 6), -+ "__hash_dl_info: %p[#%d]", dli, dli->dl_xid); -+ get_dl_info(dli); -+ head = &dl_info_hash[__hashval(dli->dl_sb, dli->dl_xid)]; -+ hlist_add_head_rcu(&dli->dl_hlist, head); -+} -+ -+/* __unhash_dl_info() -+ -+ * remove the dli from the global hash table -+ * requires the hash_lock to be held */ -+ -+static inline void __unhash_dl_info(struct dl_info *dli) -+{ -+ vxdprintk(VXD_CBIT(dlim, 6), -+ "__unhash_dl_info: %p[#%d]", dli, dli->dl_xid); -+ hlist_del_rcu(&dli->dl_hlist); -+ put_dl_info(dli); -+} -+ -+ -+/* __lookup_dl_info() -+ -+ * requires the rcu_read_lock() -+ * doesn't increment the dl_refcnt */ -+ -+static inline struct dl_info *__lookup_dl_info(struct super_block *sb, xid_t xid) -+{ -+ struct hlist_head *head = &dl_info_hash[__hashval(sb, xid)]; -+ struct hlist_node *pos; -+ struct dl_info *dli; -+ -+ hlist_for_each_entry_rcu(dli, pos, head, dl_hlist) { -+ -+ if (dli->dl_xid == xid && dli->dl_sb == sb) { -+ return dli; -+ } -+ } -+ return NULL; -+} -+ -+ -+struct dl_info *locate_dl_info(struct super_block *sb, xid_t xid) -+{ -+ struct dl_info *dli; -+ -+ rcu_read_lock(); -+ dli = get_dl_info(__lookup_dl_info(sb, xid)); -+ vxdprintk(VXD_CBIT(dlim, 7), -+ "locate_dl_info(%p,#%d) = %p", sb, xid, dli); -+ rcu_read_unlock(); -+ return dli; -+} -+ -+void rcu_free_dl_info(struct rcu_head *head) -+{ -+ struct dl_info *dli = container_of(head, struct dl_info, dl_rcu); -+ int usecnt, refcnt; -+ -+ BUG_ON(!dli || !head); -+ -+ usecnt = atomic_read(&dli->dl_usecnt); -+ BUG_ON(usecnt < 0); -+ -+ refcnt = atomic_read(&dli->dl_refcnt); -+ BUG_ON(refcnt < 0); -+ -+ vxdprintk(VXD_CBIT(dlim, 3), -+ "rcu_free_dl_info(%p)", dli); -+ if (!usecnt) -+ __dealloc_dl_info(dli); -+ else -+ printk("!!! rcu didn't free\n"); -+} -+ -+ -+ -+ -+static int do_addrem_dlimit(uint32_t id, const char __user *name, -+ uint32_t flags, int add) -+{ -+ struct nameidata nd; -+ int ret; -+ -+ ret = user_path_walk_link(name, &nd); -+ if (!ret) { -+ struct super_block *sb; -+ struct dl_info *dli; -+ -+ ret = -EINVAL; -+ if (!nd.dentry->d_inode) -+ goto out_release; -+ if (!(sb = nd.dentry->d_inode->i_sb)) -+ goto out_release; -+ -+ if (add) { -+ dli = __alloc_dl_info(sb, id); -+ spin_lock(&dl_info_hash_lock); -+ -+ ret = -EEXIST; -+ if (__lookup_dl_info(sb, id)) -+ goto out_unlock; -+ __hash_dl_info(dli); -+ dli = NULL; -+ } else { -+ spin_lock(&dl_info_hash_lock); -+ dli = __lookup_dl_info(sb, id); -+ -+ ret = -ESRCH; -+ if (!dli) -+ goto out_unlock; -+ __unhash_dl_info(dli); -+ } -+ ret = 0; -+ out_unlock: -+ spin_unlock(&dl_info_hash_lock); -+ if (add && dli) -+ __dealloc_dl_info(dli); -+ out_release: -+ path_release(&nd); -+ } -+ return ret; -+} -+ -+int vc_add_dlimit(uint32_t id, void __user *data) -+{ -+ struct vcmd_ctx_dlimit_base_v0 vc_data; -+ -+ if (!vx_check(0, VX_ADMIN)) -+ return -ENOSYS; -+ if (copy_from_user (&vc_data, data, sizeof(vc_data))) -+ return -EFAULT; -+ -+ return do_addrem_dlimit(id, vc_data.name, vc_data.flags, 1); -+} -+ -+int vc_rem_dlimit(uint32_t id, void __user *data) -+{ -+ struct vcmd_ctx_dlimit_base_v0 vc_data; -+ -+ if (!vx_check(0, VX_ADMIN)) -+ return -ENOSYS; -+ if (copy_from_user (&vc_data, data, sizeof(vc_data))) -+ return -EFAULT; -+ -+ return do_addrem_dlimit(id, vc_data.name, vc_data.flags, 0); -+} -+ -+#ifdef CONFIG_COMPAT -+ -+int vc_add_dlimit_x32(uint32_t id, void __user *data) -+{ -+ struct vcmd_ctx_dlimit_base_v0_x32 vc_data; -+ -+ if (!vx_check(0, VX_ADMIN)) -+ return -ENOSYS; -+ if (copy_from_user (&vc_data, data, sizeof(vc_data))) -+ return -EFAULT; -+ -+ return do_addrem_dlimit(id, -+ compat_ptr(vc_data.name_ptr), vc_data.flags, 1); -+} -+ -+int vc_rem_dlimit_x32(uint32_t id, void __user *data) -+{ -+ struct vcmd_ctx_dlimit_base_v0_x32 vc_data; -+ -+ if (!vx_check(0, VX_ADMIN)) -+ return -ENOSYS; -+ if (copy_from_user (&vc_data, data, sizeof(vc_data))) -+ return -EFAULT; -+ -+ return do_addrem_dlimit(id, -+ compat_ptr(vc_data.name_ptr), vc_data.flags, 0); -+} -+ -+#endif /* CONFIG_COMPAT */ -+ -+ -+static inline -+int do_set_dlimit(uint32_t id, const char __user *name, -+ uint32_t space_used, uint32_t space_total, -+ uint32_t inodes_used, uint32_t inodes_total, -+ uint32_t reserved, uint32_t flags) -+{ -+ struct nameidata nd; -+ int ret; -+ -+ ret = user_path_walk_link(name, &nd); -+ if (!ret) { -+ struct super_block *sb; -+ struct dl_info *dli; -+ -+ ret = -EINVAL; -+ if (!nd.dentry->d_inode) -+ goto out_release; -+ if (!(sb = nd.dentry->d_inode->i_sb)) -+ goto out_release; -+ if ((reserved != (uint32_t)CDLIM_KEEP && -+ reserved > 100) || -+ (inodes_used != (uint32_t)CDLIM_KEEP && -+ inodes_used > inodes_total) || -+ (space_used != (uint32_t)CDLIM_KEEP && -+ space_used > space_total)) -+ goto out_release; -+ -+ ret = -ESRCH; -+ dli = locate_dl_info(sb, id); -+ if (!dli) -+ goto out_release; -+ -+ spin_lock(&dli->dl_lock); -+ -+ if (inodes_used != (uint32_t)CDLIM_KEEP) -+ dli->dl_inodes_used = inodes_used; -+ if (inodes_total != (uint32_t)CDLIM_KEEP) -+ dli->dl_inodes_total = inodes_total; -+ if (space_used != (uint32_t)CDLIM_KEEP) { -+ dli->dl_space_used = space_used; -+ dli->dl_space_used <<= 10; -+ } -+ if (space_total == (uint32_t)CDLIM_INFINITY) -+ dli->dl_space_total = (uint64_t)CDLIM_INFINITY; -+ else if (space_total != (uint32_t)CDLIM_KEEP) { -+ dli->dl_space_total = space_total; -+ dli->dl_space_total <<= 10; -+ } -+ if (reserved != (uint32_t)CDLIM_KEEP) -+ dli->dl_nrlmult = (1 << 10) * (100 - reserved) / 100; -+ -+ spin_unlock(&dli->dl_lock); -+ -+ put_dl_info(dli); -+ ret = 0; -+ -+ out_release: -+ path_release(&nd); -+ } -+ return ret; -+} -+ -+int vc_set_dlimit(uint32_t id, void __user *data) -+{ -+ struct vcmd_ctx_dlimit_v0 vc_data; -+ -+ if (!vx_check(0, VX_ADMIN)) -+ return -ENOSYS; -+ if (copy_from_user (&vc_data, data, sizeof(vc_data))) -+ return -EFAULT; -+ -+ return do_set_dlimit(id, vc_data.name, -+ vc_data.space_used, vc_data.space_total, -+ vc_data.inodes_used, vc_data.inodes_total, -+ vc_data.reserved, vc_data.flags); -+} -+ -+#ifdef CONFIG_COMPAT -+ -+int vc_set_dlimit_x32(uint32_t id, void __user *data) -+{ -+ struct vcmd_ctx_dlimit_v0_x32 vc_data; -+ -+ if (!vx_check(0, VX_ADMIN)) -+ return -ENOSYS; -+ if (copy_from_user (&vc_data, data, sizeof(vc_data))) -+ return -EFAULT; -+ -+ return do_set_dlimit(id, compat_ptr(vc_data.name_ptr), -+ vc_data.space_used, vc_data.space_total, -+ vc_data.inodes_used, vc_data.inodes_total, -+ vc_data.reserved, vc_data.flags); -+} -+ -+#endif /* CONFIG_COMPAT */ -+ -+ -+static inline -+int do_get_dlimit(uint32_t id, const char __user *name, -+ uint32_t *space_used, uint32_t *space_total, -+ uint32_t *inodes_used, uint32_t *inodes_total, -+ uint32_t *reserved, uint32_t *flags) -+{ -+ struct nameidata nd; -+ int ret; -+ -+ ret = user_path_walk_link(name, &nd); -+ if (!ret) { -+ struct super_block *sb; -+ struct dl_info *dli; -+ -+ ret = -EINVAL; -+ if (!nd.dentry->d_inode) -+ goto out_release; -+ if (!(sb = nd.dentry->d_inode->i_sb)) -+ goto out_release; -+ -+ ret = -ESRCH; -+ dli = locate_dl_info(sb, id); -+ if (!dli) -+ goto out_release; -+ -+ spin_lock(&dli->dl_lock); -+ *inodes_used = dli->dl_inodes_used; -+ *inodes_total = dli->dl_inodes_total; -+ *space_used = dli->dl_space_used >> 10; -+ if (dli->dl_space_total == (uint64_t)CDLIM_INFINITY) -+ *space_total = (uint32_t)CDLIM_INFINITY; -+ else -+ *space_total = dli->dl_space_total >> 10; -+ -+ *reserved = 100 - ((dli->dl_nrlmult * 100 + 512) >> 10); -+ spin_unlock(&dli->dl_lock); -+ -+ put_dl_info(dli); -+ ret = -EFAULT; -+ -+ ret = 0; -+ out_release: -+ path_release(&nd); -+ } -+ return ret; -+} -+ -+ -+int vc_get_dlimit(uint32_t id, void __user *data) -+{ -+ struct vcmd_ctx_dlimit_v0 vc_data; -+ int ret; -+ -+ if (!vx_check(0, VX_ADMIN)) -+ return -ENOSYS; -+ if (copy_from_user (&vc_data, data, sizeof(vc_data))) -+ return -EFAULT; -+ -+ ret = do_get_dlimit(id, vc_data.name, -+ &vc_data.space_used, &vc_data.space_total, -+ &vc_data.inodes_used, &vc_data.inodes_total, -+ &vc_data.reserved, &vc_data.flags); -+ if (ret) -+ return ret; -+ -+ if (copy_to_user(data, &vc_data, sizeof(vc_data))) -+ return -EFAULT; -+ return 0; -+} -+ -+#ifdef CONFIG_COMPAT -+ -+int vc_get_dlimit_x32(uint32_t id, void __user *data) -+{ -+ struct vcmd_ctx_dlimit_v0_x32 vc_data; -+ int ret; -+ -+ if (!vx_check(0, VX_ADMIN)) -+ return -ENOSYS; -+ if (copy_from_user (&vc_data, data, sizeof(vc_data))) -+ return -EFAULT; -+ -+ ret = do_get_dlimit(id, compat_ptr(vc_data.name_ptr), -+ &vc_data.space_used, &vc_data.space_total, -+ &vc_data.inodes_used, &vc_data.inodes_total, -+ &vc_data.reserved, &vc_data.flags); -+ if (ret) -+ return ret; -+ -+ if (copy_to_user(data, &vc_data, sizeof(vc_data))) -+ return -EFAULT; -+ return 0; -+} -+ -+#endif /* CONFIG_COMPAT */ -+ -+ -+void vx_vsi_statfs(struct super_block *sb, struct kstatfs *buf) -+{ -+ struct dl_info *dli; -+ __u64 blimit, bfree, bavail; -+ __u32 ifree; -+ -+ dli = locate_dl_info(sb, vx_current_xid()); -+ if (!dli) -+ return; -+ -+ spin_lock(&dli->dl_lock); -+ if (dli->dl_inodes_total == (uint32_t)CDLIM_INFINITY) -+ goto no_ilim; -+ -+ /* reduce max inodes available to limit */ -+ if (buf->f_files > dli->dl_inodes_total) -+ buf->f_files = dli->dl_inodes_total; -+ -+ /* inode hack for reiserfs */ -+ if ((buf->f_files == 0) && (dli->dl_inodes_total > 0)) { -+ buf->f_files = dli->dl_inodes_total; -+ buf->f_ffree = dli->dl_inodes_total; -+ } -+ -+ ifree = dli->dl_inodes_total - dli->dl_inodes_used; -+ /* reduce free inodes to min */ -+ if (ifree < buf->f_ffree) -+ buf->f_ffree = ifree; -+ -+no_ilim: -+ if (dli->dl_space_total == (uint64_t)CDLIM_INFINITY) -+ goto no_blim; -+ -+ blimit = dli->dl_space_total >> sb->s_blocksize_bits; -+ -+ if (dli->dl_space_total < dli->dl_space_used) -+ bfree = 0; -+ else -+ bfree = (dli->dl_space_total - dli->dl_space_used) -+ >> sb->s_blocksize_bits; -+ -+ bavail = ((dli->dl_space_total >> 10) * dli->dl_nrlmult); -+ if (bavail < dli->dl_space_used) -+ bavail = 0; -+ else -+ bavail = (bavail - dli->dl_space_used) -+ >> sb->s_blocksize_bits; -+ -+ /* reduce max space available to limit */ -+ if (buf->f_blocks > blimit) -+ buf->f_blocks = blimit; -+ -+ /* reduce free space to min */ -+ if (bfree < buf->f_bfree) -+ buf->f_bfree = bfree; -+ -+ /* reduce avail space to min */ -+ if (bavail < buf->f_bavail) -+ buf->f_bavail = bavail; -+ -+no_blim: -+ spin_unlock(&dli->dl_lock); -+ put_dl_info(dli); -+ -+ return; -+} -+ -+#include <linux/module.h> -+ -+EXPORT_SYMBOL_GPL(locate_dl_info); -+EXPORT_SYMBOL_GPL(rcu_free_dl_info); -+ -Index: linux-2.6.18/kernel/vserver/helper.c -=================================================================== ---- /dev/null -+++ linux-2.6.18/kernel/vserver/helper.c -@@ -0,0 +1,210 @@ -+/* -+ * linux/kernel/vserver/helper.c -+ * -+ * Virtual Context Support -+ * -+ * Copyright (C) 2004-2005 Herbert Pötzl -+ * -+ * V0.01 basic helper -+ * -+ */ -+ -+#include <linux/errno.h> -+#include <linux/kmod.h> -+#include <linux/sched.h> -+#include <linux/reboot.h> -+#include <linux/vs_context.h> -+#include <linux/vs_network.h> -+#include <linux/vserver/signal.h> -+ -+#include <asm/uaccess.h> -+#include <asm/unistd.h> -+ -+ -+char vshelper_path[255] = "/sbin/vshelper"; -+ -+ -+static int do_vshelper(char *name, char *argv[], char *envp[], int sync) -+{ -+ int ret; -+ -+ if ((ret = call_usermodehelper(name, argv, envp, sync))) { -+ printk( KERN_WARNING -+ "%s: (%s %s) returned %s with %d\n", -+ name, argv[1], argv[2], -+ sync?"sync":"async", ret); -+ } -+ vxdprintk(VXD_CBIT(switch, 4), -+ "%s: (%s %s) returned %s with %d", -+ name, argv[1], argv[2], sync?"sync":"async", ret); -+ return ret; -+} -+ -+/* -+ * vshelper path is set via /proc/sys -+ * invoked by vserver sys_reboot(), with -+ * the following arguments -+ * -+ * argv [0] = vshelper_path; -+ * argv [1] = action: "restart", "halt", "poweroff", ... -+ * argv [2] = context identifier -+ * -+ * envp [*] = type-specific parameters -+ */ -+ -+long vs_reboot_helper(struct vx_info *vxi, int cmd, void __user *arg) -+{ -+ char id_buf[8], cmd_buf[16]; -+ char uid_buf[16], pid_buf[16]; -+ int ret; -+ -+ char *argv[] = {vshelper_path, NULL, id_buf, 0}; -+ char *envp[] = {"HOME=/", "TERM=linux", -+ "PATH=/sbin:/usr/sbin:/bin:/usr/bin", -+ uid_buf, pid_buf, cmd_buf, 0}; -+ -+ if (vx_info_state(vxi, VXS_HELPER)) -+ return -EAGAIN; -+ vxi->vx_state |= VXS_HELPER; -+ -+ snprintf(id_buf, sizeof(id_buf)-1, "%d", vxi->vx_id); -+ -+ snprintf(cmd_buf, sizeof(cmd_buf)-1, "VS_CMD=%08x", cmd); -+ snprintf(uid_buf, sizeof(uid_buf)-1, "VS_UID=%d", current->uid); -+ snprintf(pid_buf, sizeof(pid_buf)-1, "VS_PID=%d", current->pid); -+ -+ switch (cmd) { -+ case LINUX_REBOOT_CMD_RESTART: -+ argv[1] = "restart"; -+ break; -+ -+ case LINUX_REBOOT_CMD_HALT: -+ argv[1] = "halt"; -+ break; -+ -+ case LINUX_REBOOT_CMD_POWER_OFF: -+ argv[1] = "poweroff"; -+ break; -+ -+ case LINUX_REBOOT_CMD_SW_SUSPEND: -+ argv[1] = "swsusp"; -+ break; -+ -+ default: -+ vxi->vx_state &= ~VXS_HELPER; -+ return 0; -+ } -+ -+#ifndef CONFIG_VSERVER_LEGACY -+ ret = do_vshelper(vshelper_path, argv, envp, 1); -+#else -+ ret = do_vshelper(vshelper_path, argv, envp, 0); -+#endif -+ vxi->vx_state &= ~VXS_HELPER; -+ __wakeup_vx_info(vxi); -+ return (ret) ? -EPERM : 0; -+} -+ -+ -+long vs_reboot(unsigned int cmd, void __user *arg) -+{ -+ struct vx_info *vxi = current->vx_info; -+ long ret = 0; -+ -+ vxdprintk(VXD_CBIT(misc, 5), -+ "vs_reboot(%p[#%d],%d)", -+ vxi, vxi?vxi->vx_id:0, cmd); -+ -+ ret = vs_reboot_helper(vxi, cmd, arg); -+ if (ret) -+ return ret; -+ -+ vxi->reboot_cmd = cmd; -+ if (vx_info_flags(vxi, VXF_REBOOT_KILL, 0)) { -+ switch (cmd) { -+ case LINUX_REBOOT_CMD_RESTART: -+ case LINUX_REBOOT_CMD_HALT: -+ case LINUX_REBOOT_CMD_POWER_OFF: -+ vx_info_kill(vxi, 0, SIGKILL); -+ vx_info_kill(vxi, 1, SIGKILL); -+ default: -+ break; -+ } -+ } -+ return 0; -+} -+ -+ -+/* -+ * argv [0] = vshelper_path; -+ * argv [1] = action: "startup", "shutdown" -+ * argv [2] = context identifier -+ * -+ * envp [*] = type-specific parameters -+ */ -+ -+long vs_state_change(struct vx_info *vxi, unsigned int cmd) -+{ -+ char id_buf[8], cmd_buf[16]; -+ char *argv[] = {vshelper_path, NULL, id_buf, 0}; -+ char *envp[] = {"HOME=/", "TERM=linux", -+ "PATH=/sbin:/usr/sbin:/bin:/usr/bin", cmd_buf, 0}; -+ -+ if (!vx_info_flags(vxi, VXF_SC_HELPER, 0)) -+ return 0; -+ -+ snprintf(id_buf, sizeof(id_buf)-1, "%d", vxi->vx_id); -+ snprintf(cmd_buf, sizeof(cmd_buf)-1, "VS_CMD=%08x", cmd); -+ -+ switch (cmd) { -+ case VSC_STARTUP: -+ argv[1] = "startup"; -+ break; -+ case VSC_SHUTDOWN: -+ argv[1] = "shutdown"; -+ break; -+ default: -+ return 0; -+ } -+ -+ do_vshelper(vshelper_path, argv, envp, 1); -+ return 0; -+} -+ -+ -+/* -+ * argv [0] = vshelper_path; -+ * argv [1] = action: "netup", "netdown" -+ * argv [2] = context identifier -+ * -+ * envp [*] = type-specific parameters -+ */ -+ -+long vs_net_change(struct nx_info *nxi, unsigned int cmd) -+{ -+ char id_buf[8], cmd_buf[16]; -+ char *argv[] = {vshelper_path, NULL, id_buf, 0}; -+ char *envp[] = {"HOME=/", "TERM=linux", -+ "PATH=/sbin:/usr/sbin:/bin:/usr/bin", cmd_buf, 0}; -+ -+ if (!nx_info_flags(nxi, NXF_SC_HELPER, 0)) -+ return 0; -+ -+ snprintf(id_buf, sizeof(id_buf)-1, "%d", nxi->nx_id); -+ snprintf(cmd_buf, sizeof(cmd_buf)-1, "VS_CMD=%08x", cmd); -+ -+ switch (cmd) { -+ case VSC_NETUP: -+ argv[1] = "netup"; -+ break; -+ case VSC_NETDOWN: -+ argv[1] = "netdown"; -+ break; -+ default: -+ return 0; -+ } -+ -+ do_vshelper(vshelper_path, argv, envp, 1); -+ return 0; -+} -+ -Index: linux-2.6.18/kernel/vserver/history.c -=================================================================== ---- /dev/null -+++ linux-2.6.18/kernel/vserver/history.c -@@ -0,0 +1,183 @@ -+/* -+ * kernel/vserver/history.c -+ * -+ * Virtual Context History Backtrace -+ * -+ * Copyright (C) 2004-2005 Herbert Pötzl -+ * -+ * V0.01 basic structure -+ * V0.02 hash/unhash and trace -+ * V0.03 preemption fixes -+ * -+ */ -+ -+#include <linux/errno.h> -+#include <linux/module.h> -+#include <linux/types.h> -+#include <linux/ctype.h> -+ -+#include <asm/uaccess.h> -+#include <asm/atomic.h> -+#include <asm/unistd.h> -+ -+#include <linux/vserver/debug.h> -+ -+ -+#ifdef CONFIG_VSERVER_HISTORY -+#define VXH_SIZE CONFIG_VSERVER_HISTORY_SIZE -+#else -+#define VXH_SIZE 64 -+#endif -+ -+struct _vx_history { -+ unsigned int counter; -+ -+ struct _vx_hist_entry entry[VXH_SIZE+1]; -+}; -+ -+ -+DEFINE_PER_CPU(struct _vx_history, vx_history_buffer); -+ -+unsigned volatile int vxh_active = 1; -+ -+static atomic_t sequence = ATOMIC_INIT(0); -+ -+ -+/* vxh_advance() -+ -+ * requires disabled preemption */ -+ -+struct _vx_hist_entry *vxh_advance(void *loc) -+{ -+ unsigned int cpu = smp_processor_id(); -+ struct _vx_history *hist = &per_cpu(vx_history_buffer, cpu); -+ struct _vx_hist_entry *entry; -+ unsigned int index; -+ -+ index = vxh_active ? (hist->counter++ % VXH_SIZE) : VXH_SIZE; -+ entry = &hist->entry[index]; -+ -+ entry->seq = atomic_inc_return(&sequence); -+ entry->loc = loc; -+ return entry; -+} -+ -+ -+#define VXH_LOC_FMTS "(#%04x,*%d):%p" -+ -+#define VXH_LOC_ARGS(e) (e)->seq, cpu, (e)->loc -+ -+ -+#define VXH_VXI_FMTS "%p[#%d,%d.%d]" -+ -+#define VXH_VXI_ARGS(e) (e)->vxi.ptr, \ -+ (e)->vxi.ptr?(e)->vxi.xid:0, \ -+ (e)->vxi.ptr?(e)->vxi.usecnt:0, \ -+ (e)->vxi.ptr?(e)->vxi.tasks:0 -+ -+void vxh_dump_entry(struct _vx_hist_entry *e, unsigned cpu) -+{ -+ switch (e->type) { -+ case VXH_THROW_OOPS: -+ printk( VXH_LOC_FMTS " oops \n", VXH_LOC_ARGS(e)); -+ break; -+ -+ case VXH_GET_VX_INFO: -+ case VXH_PUT_VX_INFO: -+ printk( VXH_LOC_FMTS " %s_vx_info " VXH_VXI_FMTS "\n", -+ VXH_LOC_ARGS(e), -+ (e->type==VXH_GET_VX_INFO)?"get":"put", -+ VXH_VXI_ARGS(e)); -+ break; -+ -+ case VXH_INIT_VX_INFO: -+ case VXH_SET_VX_INFO: -+ case VXH_CLR_VX_INFO: -+ printk( VXH_LOC_FMTS " %s_vx_info " VXH_VXI_FMTS " @%p\n", -+ VXH_LOC_ARGS(e), -+ (e->type==VXH_INIT_VX_INFO)?"init": -+ ((e->type==VXH_SET_VX_INFO)?"set":"clr"), -+ VXH_VXI_ARGS(e), e->sc.data); -+ break; -+ -+ case VXH_CLAIM_VX_INFO: -+ case VXH_RELEASE_VX_INFO: -+ printk( VXH_LOC_FMTS " %s_vx_info " VXH_VXI_FMTS " @%p\n", -+ VXH_LOC_ARGS(e), -+ (e->type==VXH_CLAIM_VX_INFO)?"claim":"release", -+ VXH_VXI_ARGS(e), e->sc.data); -+ break; -+ -+ case VXH_ALLOC_VX_INFO: -+ case VXH_DEALLOC_VX_INFO: -+ printk( VXH_LOC_FMTS " %s_vx_info " VXH_VXI_FMTS "\n", -+ VXH_LOC_ARGS(e), -+ (e->type==VXH_ALLOC_VX_INFO)?"alloc":"dealloc", -+ VXH_VXI_ARGS(e)); -+ break; -+ -+ case VXH_HASH_VX_INFO: -+ case VXH_UNHASH_VX_INFO: -+ printk( VXH_LOC_FMTS " __%s_vx_info " VXH_VXI_FMTS "\n", -+ VXH_LOC_ARGS(e), -+ (e->type==VXH_HASH_VX_INFO)?"hash":"unhash", -+ VXH_VXI_ARGS(e)); -+ break; -+ -+ case VXH_LOC_VX_INFO: -+ case VXH_LOOKUP_VX_INFO: -+ case VXH_CREATE_VX_INFO: -+ printk( VXH_LOC_FMTS " __%s_vx_info [#%d] -> " VXH_VXI_FMTS "\n", -+ VXH_LOC_ARGS(e), -+ (e->type==VXH_CREATE_VX_INFO)?"create": -+ ((e->type==VXH_LOC_VX_INFO)?"loc":"lookup"), -+ e->ll.arg, VXH_VXI_ARGS(e)); -+ break; -+ } -+} -+ -+static void __vxh_dump_history(void) -+{ -+ unsigned int i, cpu; -+ -+ printk("History:\tSEQ: %8x\tNR_CPUS: %d\n", -+ atomic_read(&sequence), NR_CPUS); -+ -+ for (i=0; i < VXH_SIZE; i++) { -+ for_each_online_cpu(cpu) { -+ struct _vx_history *hist = -+ &per_cpu(vx_history_buffer, cpu); -+ unsigned int index = (hist->counter-i) % VXH_SIZE; -+ struct _vx_hist_entry *entry = &hist->entry[index]; -+ -+ vxh_dump_entry(entry, cpu); -+ } -+ } -+} -+ -+void vxh_dump_history(void) -+{ -+ vxh_active = 0; -+#ifdef CONFIG_SMP -+ local_irq_enable(); -+ smp_send_stop(); -+ local_irq_disable(); -+#endif -+ __vxh_dump_history(); -+} -+ -+ -+/* vserver syscall commands below here */ -+ -+ -+int vc_dump_history(uint32_t id) -+{ -+ vxh_active = 0; -+ __vxh_dump_history(); -+ vxh_active = 1; -+ -+ return 0; -+} -+ -+EXPORT_SYMBOL_GPL(vxh_advance); -+ -Index: linux-2.6.18/kernel/vserver/init.c -=================================================================== ---- /dev/null -+++ linux-2.6.18/kernel/vserver/init.c -@@ -0,0 +1,43 @@ -+/* -+ * linux/kernel/init.c -+ * -+ * Virtual Server Init -+ * -+ * Copyright (C) 2004-2005 Herbert Pötzl -+ * -+ * V0.01 basic structure -+ * -+ */ -+ -+#include <linux/errno.h> -+#include <linux/init.h> -+#include <linux/module.h> -+ -+int vserver_register_sysctl(void); -+void vserver_unregister_sysctl(void); -+ -+ -+static int __init init_vserver(void) -+{ -+ int ret = 0; -+ -+#ifdef CONFIG_VSERVER_DEBUG -+ vserver_register_sysctl(); -+#endif -+ return ret; -+} -+ -+ -+static void __exit exit_vserver(void) -+{ -+ -+#ifdef CONFIG_VSERVER_DEBUG -+ vserver_unregister_sysctl(); -+#endif -+ return; -+} -+ -+ -+module_init(init_vserver); -+module_exit(exit_vserver); -+ -Index: linux-2.6.18/kernel/vserver/inode.c -=================================================================== ---- /dev/null -+++ linux-2.6.18/kernel/vserver/inode.c -@@ -0,0 +1,368 @@ -+/* -+ * linux/kernel/vserver/inode.c -+ * -+ * Virtual Server: File System Support -+ * -+ * Copyright (C) 2004-2005 Herbert Pötzl -+ * -+ * V0.01 separated from vcontext V0.05 -+ * -+ */ -+ -+#include <linux/sched.h> -+#include <linux/vs_context.h> -+#include <linux/proc_fs.h> -+#include <linux/devpts_fs.h> -+#include <linux/namei.h> -+#include <linux/mount.h> -+#include <linux/parser.h> -+#include <linux/compat.h> -+#include <linux/vserver/inode.h> -+#include <linux/vserver/inode_cmd.h> -+#include <linux/vserver/xid.h> -+ -+#include <asm/errno.h> -+#include <asm/uaccess.h> -+ -+ -+static int __vc_get_iattr(struct inode *in, uint32_t *xid, uint32_t *flags, uint32_t *mask) -+{ -+ struct proc_dir_entry *entry; -+ -+ if (!in || !in->i_sb) -+ return -ESRCH; -+ -+ *flags = IATTR_XID -+ | (IS_BARRIER(in) ? IATTR_BARRIER : 0) -+ | (IS_IUNLINK(in) ? IATTR_IUNLINK : 0) -+ | (IS_IMMUTABLE(in) ? IATTR_IMMUTABLE : 0); -+ *mask = IATTR_IUNLINK | IATTR_IMMUTABLE; -+ -+ if (S_ISDIR(in->i_mode)) -+ *mask |= IATTR_BARRIER; -+ -+ if (IS_TAGXID(in)) { -+ *xid = in->i_xid; -+ *mask |= IATTR_XID; -+ } -+ -+ switch (in->i_sb->s_magic) { -+ case PROC_SUPER_MAGIC: -+ entry = PROC_I(in)->pde; -+ -+ /* check for specific inodes? */ -+ if (entry) -+ *mask |= IATTR_FLAGS; -+ if (entry) -+ *flags |= (entry->vx_flags & IATTR_FLAGS); -+ else -+ *flags |= (PROC_I(in)->vx_flags & IATTR_FLAGS); -+ break; -+ -+ case DEVPTS_SUPER_MAGIC: -+ *xid = in->i_xid; -+ *mask |= IATTR_XID; -+ break; -+ -+ default: -+ break; -+ } -+ return 0; -+} -+ -+int vc_get_iattr(uint32_t id, void __user *data) -+{ -+ struct nameidata nd; -+ struct vcmd_ctx_iattr_v1 vc_data = { .xid = -1 }; -+ int ret; -+ -+ if (!vx_check(0, VX_ADMIN)) -+ return -ENOSYS; -+ if (copy_from_user (&vc_data, data, sizeof(vc_data))) -+ return -EFAULT; -+ -+ ret = user_path_walk_link(vc_data.name, &nd); -+ if (!ret) { -+ ret = __vc_get_iattr(nd.dentry->d_inode, -+ &vc_data.xid, &vc_data.flags, &vc_data.mask); -+ path_release(&nd); -+ } -+ if (ret) -+ return ret; -+ -+ if (copy_to_user (data, &vc_data, sizeof(vc_data))) -+ ret = -EFAULT; -+ return ret; -+} -+ -+#ifdef CONFIG_COMPAT -+ -+int vc_get_iattr_x32(uint32_t id, void __user *data) -+{ -+ struct nameidata nd; -+ struct vcmd_ctx_iattr_v1_x32 vc_data = { .xid = -1 }; -+ int ret; -+ -+ if (!vx_check(0, VX_ADMIN)) -+ return -ENOSYS; -+ if (copy_from_user (&vc_data, data, sizeof(vc_data))) -+ return -EFAULT; -+ -+ ret = user_path_walk_link(compat_ptr(vc_data.name_ptr), &nd); -+ if (!ret) { -+ ret = __vc_get_iattr(nd.dentry->d_inode, -+ &vc_data.xid, &vc_data.flags, &vc_data.mask); -+ path_release(&nd); -+ } -+ if (ret) -+ return ret; -+ -+ if (copy_to_user (data, &vc_data, sizeof(vc_data))) -+ ret = -EFAULT; -+ return ret; -+} -+ -+#endif /* CONFIG_COMPAT */ -+ -+ -+static int __vc_set_iattr(struct dentry *de, uint32_t *xid, uint32_t *flags, uint32_t *mask) -+{ -+ struct inode *in = de->d_inode; -+ int error = 0, is_proc = 0, has_xid = 0; -+ struct iattr attr = { 0 }; -+ -+ if (!in || !in->i_sb) -+ return -ESRCH; -+ -+ is_proc = (in->i_sb->s_magic == PROC_SUPER_MAGIC); -+ if ((*mask & IATTR_FLAGS) && !is_proc) -+ return -EINVAL; -+ -+ has_xid = IS_TAGXID(in) || -+ (in->i_sb->s_magic == DEVPTS_SUPER_MAGIC); -+ if ((*mask & IATTR_XID) && !has_xid) -+ return -EINVAL; -+ -+ mutex_lock(&in->i_mutex); -+ if (*mask & IATTR_XID) { -+ attr.ia_xid = *xid; -+ attr.ia_valid |= ATTR_XID; -+ } -+ -+ if (*mask & IATTR_FLAGS) { -+ struct proc_dir_entry *entry = PROC_I(in)->pde; -+ unsigned int iflags = PROC_I(in)->vx_flags; -+ -+ iflags = (iflags & ~(*mask & IATTR_FLAGS)) -+ | (*flags & IATTR_FLAGS); -+ PROC_I(in)->vx_flags = iflags; -+ if (entry) -+ entry->vx_flags = iflags; -+ } -+ -+ if (*mask & (IATTR_BARRIER | IATTR_IUNLINK | IATTR_IMMUTABLE)) { -+ if (*mask & IATTR_IMMUTABLE) { -+ if (*flags & IATTR_IMMUTABLE) -+ in->i_flags |= S_IMMUTABLE; -+ else -+ in->i_flags &= ~S_IMMUTABLE; -+ } -+ if (*mask & IATTR_IUNLINK) { -+ if (*flags & IATTR_IUNLINK) -+ in->i_flags |= S_IUNLINK; -+ else -+ in->i_flags &= ~S_IUNLINK; -+ } -+ if (S_ISDIR(in->i_mode) && (*mask & IATTR_BARRIER)) { -+ if (*flags & IATTR_BARRIER) -+ in->i_flags |= S_BARRIER; -+ else -+ in->i_flags &= ~S_BARRIER; -+ } -+ if (in->i_op && in->i_op->sync_flags) { -+ error = in->i_op->sync_flags(in); -+ if (error) -+ goto out; -+ } -+ } -+ -+ if (attr.ia_valid) { -+ if (in->i_op && in->i_op->setattr) -+ error = in->i_op->setattr(de, &attr); -+ else { -+ error = inode_change_ok(in, &attr); -+ if (!error) -+ error = inode_setattr(in, &attr); -+ } -+ } -+ -+out: -+ mutex_unlock(&in->i_mutex); -+ return error; -+} -+ -+int vc_set_iattr(uint32_t id, void __user *data) -+{ -+ struct nameidata nd; -+ struct vcmd_ctx_iattr_v1 vc_data; -+ int ret; -+ -+ if (!capable(CAP_SYS_ADMIN) || !capable(CAP_LINUX_IMMUTABLE)) -+ return -EPERM; -+ if (copy_from_user (&vc_data, data, sizeof(vc_data))) -+ return -EFAULT; -+ -+ ret = user_path_walk_link(vc_data.name, &nd); -+ if (!ret) { -+ ret = __vc_set_iattr(nd.dentry, -+ &vc_data.xid, &vc_data.flags, &vc_data.mask); -+ path_release(&nd); -+ } -+ -+ if (copy_to_user (data, &vc_data, sizeof(vc_data))) -+ ret = -EFAULT; -+ return ret; -+} -+ -+#ifdef CONFIG_COMPAT -+ -+int vc_set_iattr_x32(uint32_t id, void __user *data) -+{ -+ struct nameidata nd; -+ struct vcmd_ctx_iattr_v1_x32 vc_data; -+ int ret; -+ -+ if (!capable(CAP_SYS_ADMIN) || !capable(CAP_LINUX_IMMUTABLE)) -+ return -EPERM; -+ if (copy_from_user (&vc_data, data, sizeof(vc_data))) -+ return -EFAULT; -+ -+ ret = user_path_walk_link(compat_ptr(vc_data.name_ptr), &nd); -+ if (!ret) { -+ ret = __vc_set_iattr(nd.dentry, -+ &vc_data.xid, &vc_data.flags, &vc_data.mask); -+ path_release(&nd); -+ } -+ -+ if (copy_to_user (data, &vc_data, sizeof(vc_data))) -+ ret = -EFAULT; -+ return ret; -+} -+ -+#endif /* CONFIG_COMPAT */ -+ -+#ifdef CONFIG_VSERVER_LEGACY -+ -+#define PROC_DYNAMIC_FIRST 0xF0000000UL -+ -+int vx_proc_ioctl(struct inode * inode, struct file * filp, -+ unsigned int cmd, unsigned long arg) -+{ -+ struct proc_dir_entry *entry; -+ int error = 0; -+ int flags; -+ -+ if (inode->i_ino < PROC_DYNAMIC_FIRST) -+ return -ENOTTY; -+ -+ entry = PROC_I(inode)->pde; -+ if (!entry) -+ return -ENOTTY; -+ -+ switch(cmd) { -+ case FIOC_GETXFLG: { -+ /* fixme: if stealth, return -ENOTTY */ -+ error = -EPERM; -+ flags = entry->vx_flags; -+ if (capable(CAP_CONTEXT)) -+ error = put_user(flags, (int __user *) arg); -+ break; -+ } -+ case FIOC_SETXFLG: { -+ /* fixme: if stealth, return -ENOTTY */ -+ error = -EPERM; -+ if (!capable(CAP_CONTEXT)) -+ break; -+ error = -EROFS; -+ if (IS_RDONLY(inode)) -+ break; -+ error = -EFAULT; -+ if (get_user(flags, (int __user *) arg)) -+ break; -+ error = 0; -+ entry->vx_flags = flags; -+ break; -+ } -+ default: -+ return -ENOTTY; -+ } -+ return error; -+} -+#endif -+ -+ -+int vx_parse_xid(char *string, xid_t *xid, int remove) -+{ -+ static match_table_t tokens = { -+ {1, "xid=%u"}, -+ {0, NULL} -+ }; -+ substring_t args[MAX_OPT_ARGS]; -+ int token, option = 0; -+ -+ if (!string) -+ return 0; -+ -+ token = match_token(string, tokens, args); -+ if (token && xid && !match_int(args, &option)) -+ *xid = option; -+ -+ vxdprintk(VXD_CBIT(xid, 7), -+ "vx_parse_xid(»%s«): %d:#%d", -+ string, token, option); -+ -+ if (token && remove) { -+ char *p = strstr(string, "xid="); -+ char *q = p; -+ -+ if (p) { -+ while (*q != '\0' && *q != ',') -+ q++; -+ while (*q) -+ *p++ = *q++; -+ while (*p) -+ *p++ = '\0'; -+ } -+ } -+ return token; -+} -+ -+void vx_propagate_xid(struct nameidata *nd, struct inode *inode) -+{ -+ xid_t new_xid = 0; -+ struct vfsmount *mnt; -+ int propagate; -+ -+ if (!nd) -+ return; -+ mnt = nd->mnt; -+ if (!mnt) -+ return; -+ -+ propagate = (mnt->mnt_flags & MNT_XID); -+ if (propagate) -+ new_xid = mnt->mnt_xid; -+ -+ vxdprintk(VXD_CBIT(xid, 7), -+ "vx_propagate_xid(%p[#%lu.%d]): %d,%d", -+ inode, inode->i_ino, inode->i_xid, -+ new_xid, (propagate)?1:0); -+ -+ if (propagate) -+ inode->i_xid = new_xid; -+} -+ -+#include <linux/module.h> -+ -+EXPORT_SYMBOL_GPL(vx_propagate_xid); -+ -Index: linux-2.6.18/kernel/vserver/legacy.c -=================================================================== ---- /dev/null -+++ linux-2.6.18/kernel/vserver/legacy.c -@@ -0,0 +1,111 @@ -+/* -+ * linux/kernel/vserver/legacy.c -+ * -+ * Virtual Server: Legacy Funtions -+ * -+ * Copyright (C) 2001-2003 Jacques Gelinas -+ * Copyright (C) 2003-2005 Herbert Pötzl -+ * -+ * V0.01 broken out from vcontext.c V0.05 -+ * -+ */ -+ -+#include <linux/sched.h> -+#include <linux/vs_context.h> -+#include <linux/vs_network.h> -+#include <linux/vserver/legacy.h> -+#include <linux/vserver/namespace.h> -+#include <linux/namespace.h> -+ -+#include <asm/errno.h> -+#include <asm/uaccess.h> -+ -+ -+extern int vx_set_init(struct vx_info *, struct task_struct *); -+ -+static int vx_set_initpid(struct vx_info *vxi, int pid) -+{ -+ struct task_struct *init; -+ -+ init = find_task_by_real_pid(pid); -+ if (!init) -+ return -ESRCH; -+ return vx_set_init(vxi, init); -+} -+ -+int vc_new_s_context(uint32_t ctx, void __user *data) -+{ -+ int ret = -ENOMEM; -+ struct vcmd_new_s_context_v1 vc_data; -+ struct vx_info *new_vxi; -+ -+ if (copy_from_user(&vc_data, data, sizeof(vc_data))) -+ return -EFAULT; -+ -+ /* legacy hack, will be removed soon */ -+ if (ctx == -2) { -+ /* assign flags and initpid */ -+ if (!current->vx_info) -+ return -EINVAL; -+ ret = 0; -+ if (vc_data.flags & VX_INFO_INIT) -+ ret = vx_set_initpid(current->vx_info, current->tgid); -+ if (ret == 0) { -+ /* We keep the same vx_id, but lower the capabilities */ -+ current->vx_info->vx_bcaps &= (~vc_data.remove_cap); -+ ret = vx_current_xid(); -+ current->vx_info->vx_flags |= vc_data.flags; -+ } -+ return ret; -+ } -+ -+ if (!vx_check(0, VX_ADMIN) || !capable(CAP_SYS_ADMIN)) -+ return -EPERM; -+ -+ /* ugly hack for Spectator */ -+ if (ctx == 1) { -+ current->xid = 1; -+ return 0; -+ } -+ -+ if (((ctx > MAX_S_CONTEXT) && (ctx != VX_DYNAMIC_ID)) || -+ (ctx == 0)) -+ return -EINVAL; -+ -+ if ((ctx == VX_DYNAMIC_ID) || (ctx < MIN_D_CONTEXT)) -+ new_vxi = lookup_or_create_vx_info(ctx); -+ else -+ new_vxi = lookup_vx_info(ctx); -+ -+ if (!new_vxi) -+ return -EINVAL; -+ -+ ret = -EPERM; -+ if (!vx_info_flags(new_vxi, VXF_STATE_SETUP, 0) && -+ vx_info_flags(new_vxi, VX_INFO_PRIVATE, 0)) -+ goto out_put; -+ -+ new_vxi->vx_flags &= ~VXF_STATE_SETUP; -+ -+ ret = vx_migrate_task(current, new_vxi); -+ if (ret == 0) { -+ current->vx_info->vx_bcaps &= (~vc_data.remove_cap); -+ new_vxi->vx_flags |= vc_data.flags; -+ if (vc_data.flags & VX_INFO_INIT) -+ vx_set_initpid(new_vxi, current->tgid); -+ if (vc_data.flags & VX_INFO_NAMESPACE) -+ vx_set_namespace(new_vxi, -+ current->namespace, current->fs); -+ if (vc_data.flags & VX_INFO_NPROC) -+ new_vxi->limit.rlim[RLIMIT_NPROC] = -+ current->signal->rlim[RLIMIT_NPROC].rlim_max; -+ -+ /* tweak some defaults for legacy */ -+ new_vxi->vx_flags |= (VXF_HIDE_NETIF|VXF_INFO_INIT); -+ ret = new_vxi->vx_id; -+ } -+out_put: -+ put_vx_info(new_vxi); -+ return ret; -+} -+ -Index: linux-2.6.18/kernel/vserver/legacynet.c -=================================================================== ---- /dev/null -+++ linux-2.6.18/kernel/vserver/legacynet.c -@@ -0,0 +1,85 @@ -+ -+/* -+ * linux/kernel/vserver/legacynet.c -+ * -+ * Virtual Server: Legacy Network Funtions -+ * -+ * Copyright (C) 2001-2003 Jacques Gelinas -+ * Copyright (C) 2003-2005 Herbert Pötzl -+ * -+ * V0.01 broken out from legacy.c -+ * -+ */ -+ -+#include <linux/sched.h> -+#include <linux/vs_context.h> -+#include <linux/vs_network.h> -+#include <linux/vserver/legacy.h> -+#include <linux/namespace.h> -+#include <linux/err.h> -+ -+#include <asm/errno.h> -+#include <asm/uaccess.h> -+ -+ -+extern struct nx_info *create_nx_info(void); -+ -+/* set ipv4 root (syscall) */ -+ -+int vc_set_ipv4root(uint32_t nbip, void __user *data) -+{ -+ int i, err = -EPERM; -+ struct vcmd_set_ipv4root_v3 vc_data; -+ struct nx_info *new_nxi, *nxi = current->nx_info; -+ -+ if (nbip < 0 || nbip > NB_IPV4ROOT) -+ return -EINVAL; -+ if (copy_from_user (&vc_data, data, sizeof(vc_data))) -+ return -EFAULT; -+ -+ if (!nxi || nxi->ipv4[0] == 0 || capable(CAP_NET_ADMIN)) -+ /* We are allowed to change everything */ -+ err = 0; -+ else if (nxi) { -+ int found = 0; -+ -+ /* We are allowed to select a subset of the currently -+ installed IP numbers. No new one are allowed -+ We can't change the broadcast address though */ -+ for (i=0; i<nbip; i++) { -+ int j; -+ __u32 nxip = vc_data.nx_mask_pair[i].ip; -+ for (j=0; j<nxi->nbipv4; j++) { -+ if (nxip == nxi->ipv4[j]) { -+ found++; -+ break; -+ } -+ } -+ } -+ if ((found == nbip) && -+ (vc_data.broadcast == nxi->v4_bcast)) -+ err = 0; -+ } -+ if (err) -+ return err; -+ -+ new_nxi = create_nx_info(); -+ if (IS_ERR(new_nxi)) -+ return -EINVAL; -+ -+ new_nxi->nbipv4 = nbip; -+ for (i=0; i<nbip; i++) { -+ new_nxi->ipv4[i] = vc_data.nx_mask_pair[i].ip; -+ new_nxi->mask[i] = vc_data.nx_mask_pair[i].mask; -+ } -+ new_nxi->v4_bcast = vc_data.broadcast; -+ if (nxi) -+ printk("!!! switching nx_info %p->%p\n", nxi, new_nxi); -+ -+ nx_migrate_task(current, new_nxi); -+ release_nx_info(new_nxi, NULL); -+ put_nx_info(new_nxi); -+ return 0; -+} -+ -+ -Index: linux-2.6.18/kernel/vserver/limit.c -=================================================================== ---- /dev/null -+++ linux-2.6.18/kernel/vserver/limit.c -@@ -0,0 +1,229 @@ -+/* -+ * linux/kernel/vserver/limit.c -+ * -+ * Virtual Server: Context Limits -+ * -+ * Copyright (C) 2004-2006 Herbert Pötzl -+ * -+ * V0.01 broken out from vcontext V0.05 -+ * V0.02 sync to valid limit check from 2.1.1 -+ * -+ */ -+ -+#include <linux/module.h> -+#include <linux/vs_context.h> -+#include <linux/vs_limit.h> -+#include <linux/vserver/limit.h> -+#include <linux/vserver/switch.h> -+#include <linux/vserver/limit_cmd.h> -+ -+#include <asm/errno.h> -+#include <asm/uaccess.h> -+ -+ -+const char *vlimit_name[NUM_LIMITS] = { -+ [RLIMIT_CPU] = "CPU", -+ [RLIMIT_RSS] = "RSS", -+ [RLIMIT_NPROC] = "NPROC", -+ [RLIMIT_NOFILE] = "NOFILE", -+ [RLIMIT_MEMLOCK] = "VML", -+ [RLIMIT_AS] = "VM", -+ [RLIMIT_LOCKS] = "LOCKS", -+ [RLIMIT_SIGPENDING] = "SIGP", -+ [RLIMIT_MSGQUEUE] = "MSGQ", -+ -+ [VLIMIT_NSOCK] = "NSOCK", -+ [VLIMIT_OPENFD] = "OPENFD", -+ [VLIMIT_ANON] = "ANON", -+ [VLIMIT_SHMEM] = "SHMEM", -+}; -+ -+EXPORT_SYMBOL_GPL(vlimit_name); -+ -+ -+#define MASK_ENTRY(x) (1 << (x)) -+ -+const struct vcmd_ctx_rlimit_mask_v0 vlimit_mask = { -+ /* minimum */ -+ 0 -+ , /* softlimit */ -+ 0 -+ , /* maximum */ -+ MASK_ENTRY( RLIMIT_RSS ) | -+ MASK_ENTRY( RLIMIT_NPROC ) | -+ MASK_ENTRY( RLIMIT_NOFILE ) | -+ MASK_ENTRY( RLIMIT_MEMLOCK ) | -+ MASK_ENTRY( RLIMIT_AS ) | -+ MASK_ENTRY( RLIMIT_LOCKS ) | -+ MASK_ENTRY( RLIMIT_MSGQUEUE ) | -+ -+ MASK_ENTRY( VLIMIT_ANON ) | -+ MASK_ENTRY( VLIMIT_SHMEM ) | -+ 0 -+}; -+ -+ -+static int is_valid_vlimit(int id) -+{ -+ uint32_t mask = vlimit_mask.minimum | -+ vlimit_mask.softlimit | vlimit_mask.maximum; -+ return mask & (1 << id); -+} -+ -+static inline uint64_t vc_get_rlim(struct vx_info *vxi, int id) -+{ -+ unsigned long limit; -+ -+ limit = vxi->limit.rlim[id]; -+ if (limit == RLIM_INFINITY) -+ return CRLIM_INFINITY; -+ return limit; -+} -+ -+static int do_get_rlimit(xid_t xid, uint32_t id, -+ uint64_t *minimum, uint64_t *softlimit, uint64_t *maximum) -+{ -+ struct vx_info *vxi; -+ -+ if (!is_valid_vlimit(id)) -+ return -EINVAL; -+ -+ vxi = lookup_vx_info(xid); -+ if (!vxi) -+ return -ESRCH; -+ -+ if (minimum) -+ *minimum = CRLIM_UNSET; -+ if (softlimit) -+ *softlimit = CRLIM_UNSET; -+ if (maximum) -+ *maximum = vc_get_rlim(vxi, id); -+ put_vx_info(vxi); -+ return 0; -+} -+ -+int vc_get_rlimit(uint32_t id, void __user *data) -+{ -+ struct vcmd_ctx_rlimit_v0 vc_data; -+ int ret; -+ -+ if (copy_from_user (&vc_data, data, sizeof(vc_data))) -+ return -EFAULT; -+ -+ ret = do_get_rlimit(id, vc_data.id, -+ &vc_data.minimum, &vc_data.softlimit, &vc_data.maximum); -+ if (ret) -+ return ret; -+ -+ if (copy_to_user (data, &vc_data, sizeof(vc_data))) -+ return -EFAULT; -+ return 0; -+} -+ -+static int do_set_rlimit(xid_t xid, uint32_t id, -+ uint64_t minimum, uint64_t softlimit, uint64_t maximum) -+{ -+ struct vx_info *vxi; -+ -+ if (!is_valid_vlimit(id)) -+ return -EINVAL; -+ -+ vxi = lookup_vx_info(xid); -+ if (!vxi) -+ return -ESRCH; -+ -+ if (maximum != CRLIM_KEEP) -+ vxi->limit.rlim[id] = maximum; -+ -+ put_vx_info(vxi); -+ return 0; -+} -+ -+int vc_set_rlimit(uint32_t id, void __user *data) -+{ -+ struct vcmd_ctx_rlimit_v0 vc_data; -+ -+ if (!capable(CAP_SYS_ADMIN) || !capable(CAP_SYS_RESOURCE)) -+ return -EPERM; -+ if (copy_from_user (&vc_data, data, sizeof(vc_data))) -+ return -EFAULT; -+ -+ return do_set_rlimit(id, vc_data.id, -+ vc_data.minimum, vc_data.softlimit, vc_data.maximum); -+} -+ -+#ifdef CONFIG_IA32_EMULATION -+ -+int vc_set_rlimit_x32(uint32_t id, void __user *data) -+{ -+ struct vcmd_ctx_rlimit_v0_x32 vc_data; -+ -+ if (!capable(CAP_SYS_ADMIN) || !capable(CAP_SYS_RESOURCE)) -+ return -EPERM; -+ if (copy_from_user (&vc_data, data, sizeof(vc_data))) -+ return -EFAULT; -+ -+ return do_set_rlimit(id, vc_data.id, -+ vc_data.minimum, vc_data.softlimit, vc_data.maximum); -+} -+ -+int vc_get_rlimit_x32(uint32_t id, void __user *data) -+{ -+ struct vcmd_ctx_rlimit_v0_x32 vc_data; -+ int ret; -+ -+ if (copy_from_user (&vc_data, data, sizeof(vc_data))) -+ return -EFAULT; -+ -+ ret = do_get_rlimit(id, vc_data.id, -+ &vc_data.minimum, &vc_data.softlimit, &vc_data.maximum); -+ if (ret) -+ return ret; -+ -+ if (copy_to_user (data, &vc_data, sizeof(vc_data))) -+ return -EFAULT; -+ return 0; -+} -+ -+#endif /* CONFIG_IA32_EMULATION */ -+ -+ -+int vc_get_rlimit_mask(uint32_t id, void __user *data) -+{ -+ if (copy_to_user(data, &vlimit_mask, sizeof(vlimit_mask))) -+ return -EFAULT; -+ return 0; -+} -+ -+ -+void vx_vsi_meminfo(struct sysinfo *val) -+{ -+ struct vx_info *vxi = current->vx_info; -+ unsigned long v; -+ -+ v = vxi->limit.rlim[RLIMIT_RSS]; -+ if (v != RLIM_INFINITY) -+ val->totalram = min(val->totalram, v); -+ v = atomic_read(&vxi->limit.rcur[RLIMIT_RSS]); -+ val->freeram = (v < val->totalram) ? val->totalram - v : 0; -+ val->bufferram = 0; -+ val->totalhigh = 0; -+ val->freehigh = 0; -+ return; -+} -+ -+void vx_vsi_swapinfo(struct sysinfo *val) -+{ -+ struct vx_info *vxi = current->vx_info; -+ unsigned long v, w; -+ -+ v = vxi->limit.rlim[RLIMIT_RSS]; -+ w = vxi->limit.rlim[RLIMIT_AS]; -+ if (w != RLIM_INFINITY) -+ val->totalswap = min(val->totalswap, w - -+ ((v != RLIM_INFINITY) ? v : 0)); -+ w = atomic_read(&vxi->limit.rcur[RLIMIT_AS]); -+ val->freeswap = (w < val->totalswap) ? val->totalswap - w : 0; -+ return; -+} -+ -Index: linux-2.6.18/kernel/vserver/limit_init.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/kernel/vserver/limit_init.h -@@ -0,0 +1,29 @@ -+ -+ -+static inline void vx_info_init_limit(struct _vx_limit *limit) -+{ -+ int lim; -+ -+ for (lim=0; lim<NUM_LIMITS; lim++) { -+ limit->rlim[lim] = RLIM_INFINITY; -+ limit->rmax[lim] = 0; -+ atomic_set(&limit->rcur[lim], 0); -+ atomic_set(&limit->lhit[lim], 0); -+ } -+} -+ -+static inline void vx_info_exit_limit(struct _vx_limit *limit) -+{ -+#ifdef CONFIG_VSERVER_DEBUG -+ unsigned long value; -+ unsigned int lim; -+ -+ for (lim=0; lim<NUM_LIMITS; lim++) { -+ value = atomic_read(&limit->rcur[lim]); -+ vxwprintk(value, -+ "!!! limit: %p[%s,%d] = %ld on exit.", -+ limit, vlimit_name[lim], lim, value); -+ } -+#endif -+} -+ -Index: linux-2.6.18/kernel/vserver/limit_proc.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/kernel/vserver/limit_proc.h -@@ -0,0 +1,58 @@ -+#ifndef _VX_LIMIT_PROC_H -+#define _VX_LIMIT_PROC_H -+ -+ -+static inline void vx_limit_fixup(struct _vx_limit *limit) -+{ -+ unsigned long value; -+ unsigned int lim; -+ -+ for (lim=0; lim<NUM_LIMITS; lim++) { -+ value = atomic_read(&limit->rcur[lim]); -+ if (value > limit->rmax[lim]) -+ limit->rmax[lim] = value; -+ if (limit->rmax[lim] > limit->rlim[lim]) -+ limit->rmax[lim] = limit->rlim[lim]; -+ } -+} -+ -+#define VX_LIMIT_FMT ":\t%10d\t%10ld\t%10ld\t%6d\n" -+ -+#define VX_LIMIT_ARG(r) \ -+ ,atomic_read(&limit->rcur[r]) \ -+ ,limit->rmax[r] \ -+ ,limit->rlim[r] \ -+ ,atomic_read(&limit->lhit[r]) -+ -+static inline int vx_info_proc_limit(struct _vx_limit *limit, char *buffer) -+{ -+ vx_limit_fixup(limit); -+ return sprintf(buffer, -+ "PROC" VX_LIMIT_FMT -+ "VM" VX_LIMIT_FMT -+ "VML" VX_LIMIT_FMT -+ "RSS" VX_LIMIT_FMT -+ "ANON" VX_LIMIT_FMT -+ "FILES" VX_LIMIT_FMT -+ "OFD" VX_LIMIT_FMT -+ "LOCKS" VX_LIMIT_FMT -+ "SOCK" VX_LIMIT_FMT -+ "MSGQ" VX_LIMIT_FMT -+ "SHM" VX_LIMIT_FMT -+ VX_LIMIT_ARG(RLIMIT_NPROC) -+ VX_LIMIT_ARG(RLIMIT_AS) -+ VX_LIMIT_ARG(RLIMIT_MEMLOCK) -+ VX_LIMIT_ARG(RLIMIT_RSS) -+ VX_LIMIT_ARG(VLIMIT_ANON) -+ VX_LIMIT_ARG(RLIMIT_NOFILE) -+ VX_LIMIT_ARG(VLIMIT_OPENFD) -+ VX_LIMIT_ARG(RLIMIT_LOCKS) -+ VX_LIMIT_ARG(VLIMIT_NSOCK) -+ VX_LIMIT_ARG(RLIMIT_MSGQUEUE) -+ VX_LIMIT_ARG(VLIMIT_SHMEM) -+ ); -+} -+ -+#endif /* _VX_LIMIT_PROC_H */ -+ -+ -Index: linux-2.6.18/kernel/vserver/namespace.c -=================================================================== ---- /dev/null -+++ linux-2.6.18/kernel/vserver/namespace.c -@@ -0,0 +1,113 @@ -+/* -+ * linux/kernel/vserver/namespace.c -+ * -+ * Virtual Server: Context Namespace Support -+ * -+ * Copyright (C) 2003-2005 Herbert Pötzl -+ * -+ * V0.01 broken out from context.c 0.07 -+ * V0.02 added task locking for namespace -+ * -+ */ -+ -+#include <linux/utsname.h> -+#include <linux/sched.h> -+#include <linux/vs_context.h> -+#include <linux/vserver/namespace.h> -+#include <linux/vserver/namespace_cmd.h> -+#include <linux/dcache.h> -+#include <linux/mount.h> -+#include <linux/fs.h> -+ -+#include <asm/errno.h> -+#include <asm/uaccess.h> -+ -+ -+/* namespace functions */ -+ -+#include <linux/namespace.h> -+ -+int vx_set_namespace(struct vx_info *vxi, struct namespace *ns, struct fs_struct *fs) -+{ -+ struct fs_struct *fs_copy; -+ -+ if (vxi->vx_namespace) -+ return -EPERM; -+ if (!ns || !fs) -+ return -EINVAL; -+ -+ fs_copy = copy_fs_struct(fs); -+ if (!fs_copy) -+ return -ENOMEM; -+ -+ get_namespace(ns); -+ vxi->vx_namespace = ns; -+ vxi->vx_fs = fs_copy; -+ return 0; -+} -+ -+int vc_enter_namespace(uint32_t id, void __user *data) -+{ -+ struct vx_info *vxi; -+ struct fs_struct *old_fs, *fs; -+ struct namespace *old_ns; -+ int ret = 0; -+ -+ if (!vx_check(0, VX_ADMIN)) -+ return -ENOSYS; -+ -+ vxi = lookup_vx_info(id); -+ if (!vxi) -+ return -ESRCH; -+ -+ ret = -EINVAL; -+ if (!vxi->vx_namespace) -+ goto out_put; -+ -+ ret = -ENOMEM; -+ fs = copy_fs_struct(vxi->vx_fs); -+ if (!fs) -+ goto out_put; -+ -+ ret = 0; -+ task_lock(current); -+ old_ns = current->namespace; -+ old_fs = current->fs; -+ get_namespace(vxi->vx_namespace); -+ current->namespace = vxi->vx_namespace; -+ current->fs = fs; -+ task_unlock(current); -+ -+ put_namespace(old_ns); -+ put_fs_struct(old_fs); -+out_put: -+ put_vx_info(vxi); -+ return ret; -+} -+ -+int vc_set_namespace(uint32_t id, void __user *data) -+{ -+ struct fs_struct *fs; -+ struct namespace *ns; -+ struct vx_info *vxi; -+ int ret; -+ -+ vxi = lookup_vx_info(id); -+ if (!vxi) -+ return -ESRCH; -+ -+ task_lock(current); -+ fs = current->fs; -+ atomic_inc(&fs->count); -+ ns = current->namespace; -+ get_namespace(current->namespace); -+ task_unlock(current); -+ -+ ret = vx_set_namespace(vxi, ns, fs); -+ -+ put_namespace(ns); -+ put_fs_struct(fs); -+ put_vx_info(vxi); -+ return ret; -+} -+ -Index: linux-2.6.18/kernel/vserver/network.c -=================================================================== ---- /dev/null -+++ linux-2.6.18/kernel/vserver/network.c -@@ -0,0 +1,808 @@ -+/* -+ * linux/kernel/vserver/network.c -+ * -+ * Virtual Server: Network Support -+ * -+ * Copyright (C) 2003-2006 Herbert Pötzl -+ * -+ * V0.01 broken out from vcontext V0.05 -+ * V0.02 cleaned up implementation -+ * V0.03 added equiv nx commands -+ * V0.04 switch to RCU based hash -+ * V0.05 and back to locking again -+ * V0.06 have __create claim() the nxi -+ * -+ */ -+ -+#include <linux/slab.h> -+#include <linux/vserver/network_cmd.h> -+#include <linux/rcupdate.h> -+#include <net/tcp.h> -+ -+#include <asm/errno.h> -+ -+ -+/* __alloc_nx_info() -+ -+ * allocate an initialized nx_info struct -+ * doesn't make it visible (hash) */ -+ -+static struct nx_info *__alloc_nx_info(nid_t nid) -+{ -+ struct nx_info *new = NULL; -+ -+ vxdprintk(VXD_CBIT(nid, 1), "alloc_nx_info(%d)*", nid); -+ -+ /* would this benefit from a slab cache? */ -+ new = kmalloc(sizeof(struct nx_info), GFP_KERNEL); -+ if (!new) -+ return 0; -+ -+ memset (new, 0, sizeof(struct nx_info)); -+ new->nx_id = nid; -+ INIT_HLIST_NODE(&new->nx_hlist); -+ atomic_set(&new->nx_usecnt, 0); -+ atomic_set(&new->nx_tasks, 0); -+ new->nx_state = 0; -+ -+ new->nx_flags = NXF_INIT_SET; -+ -+ /* rest of init goes here */ -+ -+ vxdprintk(VXD_CBIT(nid, 0), -+ "alloc_nx_info(%d) = %p", nid, new); -+ return new; -+} -+ -+/* __dealloc_nx_info() -+ -+ * final disposal of nx_info */ -+ -+static void __dealloc_nx_info(struct nx_info *nxi) -+{ -+ vxdprintk(VXD_CBIT(nid, 0), -+ "dealloc_nx_info(%p)", nxi); -+ -+ nxi->nx_hlist.next = LIST_POISON1; -+ nxi->nx_id = -1; -+ -+ BUG_ON(atomic_read(&nxi->nx_usecnt)); -+ BUG_ON(atomic_read(&nxi->nx_tasks)); -+ -+ nxi->nx_state |= NXS_RELEASED; -+ kfree(nxi); -+} -+ -+static void __shutdown_nx_info(struct nx_info *nxi) -+{ -+ nxi->nx_state |= NXS_SHUTDOWN; -+ vs_net_change(nxi, VSC_NETDOWN); -+} -+ -+/* exported stuff */ -+ -+void free_nx_info(struct nx_info *nxi) -+{ -+ /* context shutdown is mandatory */ -+ BUG_ON(nxi->nx_state != NXS_SHUTDOWN); -+ -+ /* context must not be hashed */ -+ BUG_ON(nxi->nx_state & NXS_HASHED); -+ -+ BUG_ON(atomic_read(&nxi->nx_usecnt)); -+ BUG_ON(atomic_read(&nxi->nx_tasks)); -+ -+ __dealloc_nx_info(nxi); -+} -+ -+ -+/* hash table for nx_info hash */ -+ -+#define NX_HASH_SIZE 13 -+ -+struct hlist_head nx_info_hash[NX_HASH_SIZE]; -+ -+static spinlock_t nx_info_hash_lock = SPIN_LOCK_UNLOCKED; -+ -+ -+static inline unsigned int __hashval(nid_t nid) -+{ -+ return (nid % NX_HASH_SIZE); -+} -+ -+ -+ -+/* __hash_nx_info() -+ -+ * add the nxi to the global hash table -+ * requires the hash_lock to be held */ -+ -+static inline void __hash_nx_info(struct nx_info *nxi) -+{ -+ struct hlist_head *head; -+ -+ vxd_assert_lock(&nx_info_hash_lock); -+ vxdprintk(VXD_CBIT(nid, 4), -+ "__hash_nx_info: %p[#%d]", nxi, nxi->nx_id); -+ -+ /* context must not be hashed */ -+ BUG_ON(nx_info_state(nxi, NXS_HASHED)); -+ -+ nxi->nx_state |= NXS_HASHED; -+ head = &nx_info_hash[__hashval(nxi->nx_id)]; -+ hlist_add_head(&nxi->nx_hlist, head); -+} -+ -+/* __unhash_nx_info() -+ -+ * remove the nxi from the global hash table -+ * requires the hash_lock to be held */ -+ -+static inline void __unhash_nx_info(struct nx_info *nxi) -+{ -+ vxdprintk(VXD_CBIT(nid, 4), -+ "__unhash_nx_info: %p[#%d]", nxi, nxi->nx_id); -+ -+ spin_lock(&nx_info_hash_lock); -+ /* context must be hashed */ -+ BUG_ON(!nx_info_state(nxi, NXS_HASHED)); -+ -+ nxi->nx_state &= ~NXS_HASHED; -+ hlist_del(&nxi->nx_hlist); -+ spin_unlock(&nx_info_hash_lock); -+} -+ -+ -+/* __lookup_nx_info() -+ -+ * requires the hash_lock to be held -+ * doesn't increment the nx_refcnt */ -+ -+static inline struct nx_info *__lookup_nx_info(nid_t nid) -+{ -+ struct hlist_head *head = &nx_info_hash[__hashval(nid)]; -+ struct hlist_node *pos; -+ struct nx_info *nxi; -+ -+ vxd_assert_lock(&nx_info_hash_lock); -+ hlist_for_each(pos, head) { -+ nxi = hlist_entry(pos, struct nx_info, nx_hlist); -+ -+ if (nxi->nx_id == nid) -+ goto found; -+ } -+ nxi = NULL; -+found: -+ vxdprintk(VXD_CBIT(nid, 0), -+ "__lookup_nx_info(#%u): %p[#%u]", -+ nid, nxi, nxi?nxi->nx_id:0); -+ return nxi; -+} -+ -+ -+/* __nx_dynamic_id() -+ -+ * find unused dynamic nid -+ * requires the hash_lock to be held */ -+ -+static inline nid_t __nx_dynamic_id(void) -+{ -+ static nid_t seq = MAX_N_CONTEXT; -+ nid_t barrier = seq; -+ -+ vxd_assert_lock(&nx_info_hash_lock); -+ do { -+ if (++seq > MAX_N_CONTEXT) -+ seq = MIN_D_CONTEXT; -+ if (!__lookup_nx_info(seq)) { -+ vxdprintk(VXD_CBIT(nid, 4), -+ "__nx_dynamic_id: [#%d]", seq); -+ return seq; -+ } -+ } while (barrier != seq); -+ return 0; -+} -+ -+/* __create_nx_info() -+ -+ * create the requested context -+ * get(), claim() and hash it */ -+ -+static struct nx_info * __create_nx_info(int id) -+{ -+ struct nx_info *new, *nxi = NULL; -+ -+ vxdprintk(VXD_CBIT(nid, 1), "create_nx_info(%d)*", id); -+ -+ if (!(new = __alloc_nx_info(id))) -+ return ERR_PTR(-ENOMEM); -+ -+ /* required to make dynamic xids unique */ -+ spin_lock(&nx_info_hash_lock); -+ -+ /* dynamic context requested */ -+ if (id == NX_DYNAMIC_ID) { -+ id = __nx_dynamic_id(); -+ if (!id) { -+ printk(KERN_ERR "no dynamic context available.\n"); -+ nxi = ERR_PTR(-EAGAIN); -+ goto out_unlock; -+ } -+ new->nx_id = id; -+ } -+ /* static context requested */ -+ else if ((nxi = __lookup_nx_info(id))) { -+ vxdprintk(VXD_CBIT(nid, 0), -+ "create_nx_info(%d) = %p (already there)", id, nxi); -+ if (nx_info_flags(nxi, NXF_STATE_SETUP, 0)) -+ nxi = ERR_PTR(-EBUSY); -+ else -+ nxi = ERR_PTR(-EEXIST); -+ goto out_unlock; -+ } -+ /* dynamic nid creation blocker */ -+ else if (id >= MIN_D_CONTEXT) { -+ vxdprintk(VXD_CBIT(nid, 0), -+ "create_nx_info(%d) (dynamic rejected)", id); -+ nxi = ERR_PTR(-EINVAL); -+ goto out_unlock; -+ } -+ -+ /* new context */ -+ vxdprintk(VXD_CBIT(nid, 0), -+ "create_nx_info(%d) = %p (new)", id, new); -+ claim_nx_info(new, NULL); -+ __hash_nx_info(get_nx_info(new)); -+ nxi = new, new = NULL; -+ -+out_unlock: -+ spin_unlock(&nx_info_hash_lock); -+ if (new) -+ __dealloc_nx_info(new); -+ return nxi; -+} -+ -+ -+ -+/* exported stuff */ -+ -+ -+void unhash_nx_info(struct nx_info *nxi) -+{ -+ __shutdown_nx_info(nxi); -+ __unhash_nx_info(nxi); -+} -+ -+#ifdef CONFIG_VSERVER_LEGACYNET -+ -+struct nx_info *create_nx_info(void) -+{ -+ return __create_nx_info(NX_DYNAMIC_ID); -+} -+ -+#endif -+ -+/* lookup_nx_info() -+ -+ * search for a nx_info and get() it -+ * negative id means current */ -+ -+struct nx_info *lookup_nx_info(int id) -+{ -+ struct nx_info *nxi = NULL; -+ -+ if (id < 0) { -+ nxi = get_nx_info(current->nx_info); -+ } else if (id > 1) { -+ spin_lock(&nx_info_hash_lock); -+ nxi = get_nx_info(__lookup_nx_info(id)); -+ spin_unlock(&nx_info_hash_lock); -+ } -+ return nxi; -+} -+ -+/* nid_is_hashed() -+ -+ * verify that nid is still hashed */ -+ -+int nid_is_hashed(nid_t nid) -+{ -+ int hashed; -+ -+ spin_lock(&nx_info_hash_lock); -+ hashed = (__lookup_nx_info(nid) != NULL); -+ spin_unlock(&nx_info_hash_lock); -+ return hashed; -+} -+ -+ -+#ifdef CONFIG_PROC_FS -+ -+int get_nid_list(int index, unsigned int *nids, int size) -+{ -+ int hindex, nr_nids = 0; -+ -+ for (hindex = 0; hindex < NX_HASH_SIZE; hindex++) { -+ struct hlist_head *head = &nx_info_hash[hindex]; -+ struct hlist_node *pos; -+ -+ spin_lock(&nx_info_hash_lock); -+ hlist_for_each(pos, head) { -+ struct nx_info *nxi; -+ -+ if (--index > 0) -+ continue; -+ -+ nxi = hlist_entry(pos, struct nx_info, nx_hlist); -+ nids[nr_nids] = nxi->nx_id; -+ if (++nr_nids >= size) { -+ spin_unlock(&nx_info_hash_lock); -+ goto out; -+ } -+ } -+ /* keep the lock time short */ -+ spin_unlock(&nx_info_hash_lock); -+ } -+out: -+ return nr_nids; -+} -+#endif -+ -+ -+/* -+ * migrate task to new network -+ * gets nxi, puts old_nxi on change -+ */ -+ -+int nx_migrate_task(struct task_struct *p, struct nx_info *nxi) -+{ -+ struct nx_info *old_nxi; -+ int ret = 0; -+ -+ if (!p || !nxi) -+ BUG(); -+ -+ vxdprintk(VXD_CBIT(nid, 5), -+ "nx_migrate_task(%p,%p[#%d.%d.%d])", -+ p, nxi, nxi->nx_id, -+ atomic_read(&nxi->nx_usecnt), -+ atomic_read(&nxi->nx_tasks)); -+ -+ /* maybe disallow this completely? */ -+ old_nxi = task_get_nx_info(p); -+ if (old_nxi == nxi) -+ goto out; -+ -+ task_lock(p); -+ if (old_nxi) -+ clr_nx_info(&p->nx_info); -+ claim_nx_info(nxi, p); -+ set_nx_info(&p->nx_info, nxi); -+ p->nid = nxi->nx_id; -+ task_unlock(p); -+ -+ vxdprintk(VXD_CBIT(nid, 5), -+ "moved task %p into nxi:%p[#%d]", -+ p, nxi, nxi->nx_id); -+ -+ if (old_nxi) -+ release_nx_info(old_nxi, p); -+ ret = 0; -+out: -+ put_nx_info(old_nxi); -+ return ret; -+} -+ -+ -+#ifdef CONFIG_INET -+ -+#include <linux/netdevice.h> -+#include <linux/inetdevice.h> -+ -+int ifa_in_nx_info(struct in_ifaddr *ifa, struct nx_info *nxi) -+{ -+ if (!nxi) -+ return 1; -+ if (!ifa) -+ return 0; -+ return addr_in_nx_info(nxi, ifa->ifa_local); -+} -+ -+int dev_in_nx_info(struct net_device *dev, struct nx_info *nxi) -+{ -+ struct in_device *in_dev; -+ struct in_ifaddr **ifap; -+ struct in_ifaddr *ifa; -+ int ret = 0; -+ -+ if (!nxi) -+ return 1; -+ -+ in_dev = in_dev_get(dev); -+ if (!in_dev) -+ goto out; -+ -+ for (ifap = &in_dev->ifa_list; (ifa = *ifap) != NULL; -+ ifap = &ifa->ifa_next) { -+ if (addr_in_nx_info(nxi, ifa->ifa_local)) { -+ ret = 1; -+ break; -+ } -+ } -+ in_dev_put(in_dev); -+out: -+ return ret; -+} -+ -+/* -+ * check if address is covered by socket -+ * -+ * sk: the socket to check against -+ * addr: the address in question (must be != 0) -+ */ -+static inline int __addr_in_socket(struct sock *sk, uint32_t addr) -+{ -+ struct nx_info *nxi = sk->sk_nx_info; -+ uint32_t saddr = inet_rcv_saddr(sk); -+ -+ vxdprintk(VXD_CBIT(net, 5), -+ "__addr_in_socket(%p,%d.%d.%d.%d) %p:%d.%d.%d.%d %p;%lx", -+ sk, VXD_QUAD(addr), nxi, VXD_QUAD(saddr), sk->sk_socket, -+ (sk->sk_socket?sk->sk_socket->flags:0)); -+ -+ if (saddr) { -+ /* direct address match */ -+ return (saddr == addr); -+ } else if (nxi) { -+ /* match against nx_info */ -+ return addr_in_nx_info(nxi, addr); -+ } else { -+ /* unrestricted any socket */ -+ return 1; -+ } -+} -+ -+ -+int nx_addr_conflict(struct nx_info *nxi, uint32_t addr, struct sock *sk) -+{ -+ vxdprintk(VXD_CBIT(net, 2), -+ "nx_addr_conflict(%p,%p) %d.%d,%d.%d", -+ nxi, sk, VXD_QUAD(addr)); -+ -+ if (addr) { -+ /* check real address */ -+ return __addr_in_socket(sk, addr); -+ } else if (nxi) { -+ /* check against nx_info */ -+ int i, n = nxi->nbipv4; -+ -+ for (i=0; i<n; i++) -+ if (__addr_in_socket(sk, nxi->ipv4[i])) -+ return 1; -+ return 0; -+ } else { -+ /* check against any */ -+ return 1; -+ } -+} -+ -+#endif /* CONFIG_INET */ -+ -+void nx_set_persistent(struct nx_info *nxi) -+{ -+ vxdprintk(VXD_CBIT(nid, 6), -+ "nx_set_persistent(%p[#%d])", nxi, nxi->nx_id); -+ -+ get_nx_info(nxi); -+ claim_nx_info(nxi, NULL); -+} -+ -+void nx_clear_persistent(struct nx_info *nxi) -+{ -+ vxdprintk(VXD_CBIT(nid, 6), -+ "nx_clear_persistent(%p[#%d])", nxi, nxi->nx_id); -+ -+ release_nx_info(nxi, NULL); -+ put_nx_info(nxi); -+} -+ -+void nx_update_persistent(struct nx_info *nxi) -+{ -+ if (nx_info_flags(nxi, NXF_PERSISTENT, 0)) -+ nx_set_persistent(nxi); -+ else -+ nx_clear_persistent(nxi); -+} -+ -+/* vserver syscall commands below here */ -+ -+/* taks nid and nx_info functions */ -+ -+#include <asm/uaccess.h> -+ -+ -+int vc_task_nid(uint32_t id, void __user *data) -+{ -+ nid_t nid; -+ -+ if (id) { -+ struct task_struct *tsk; -+ -+ if (!vx_check(0, VX_ADMIN|VX_WATCH)) -+ return -EPERM; -+ -+ read_lock(&tasklist_lock); -+ tsk = find_task_by_real_pid(id); -+ nid = (tsk) ? tsk->nid : -ESRCH; -+ read_unlock(&tasklist_lock); -+ } -+ else -+ nid = nx_current_nid(); -+ return nid; -+} -+ -+ -+int vc_nx_info(uint32_t id, void __user *data) -+{ -+ struct nx_info *nxi; -+ struct vcmd_nx_info_v0 vc_data; -+ -+ if (!vx_check(0, VX_ADMIN)) -+ return -ENOSYS; -+ if (!capable(CAP_SYS_ADMIN) || !capable(CAP_SYS_RESOURCE)) -+ return -EPERM; -+ -+ nxi = lookup_nx_info(id); -+ if (!nxi) -+ return -ESRCH; -+ -+ vc_data.nid = nxi->nx_id; -+ put_nx_info(nxi); -+ -+ if (copy_to_user (data, &vc_data, sizeof(vc_data))) -+ return -EFAULT; -+ return 0; -+} -+ -+ -+/* network functions */ -+ -+int vc_net_create(uint32_t nid, void __user *data) -+{ -+ struct vcmd_net_create vc_data = { .flagword = NXF_INIT_SET }; -+ struct nx_info *new_nxi; -+ int ret; -+ -+ if (!capable(CAP_SYS_ADMIN)) -+ return -EPERM; -+ if (data && copy_from_user (&vc_data, data, sizeof(vc_data))) -+ return -EFAULT; -+ -+ if ((nid > MAX_S_CONTEXT) && (nid != VX_DYNAMIC_ID)) -+ return -EINVAL; -+ if (nid < 2) -+ return -EINVAL; -+ -+ new_nxi = __create_nx_info(nid); -+ if (IS_ERR(new_nxi)) -+ return PTR_ERR(new_nxi); -+ -+ /* initial flags */ -+ new_nxi->nx_flags = vc_data.flagword; -+ -+ ret = -ENOEXEC; -+ if (vs_net_change(new_nxi, VSC_NETUP)) -+ goto out; -+ -+ ret = nx_migrate_task(current, new_nxi); -+ if (ret) -+ goto out; -+ -+ /* return context id on success */ -+ ret = new_nxi->nx_id; -+ -+ /* get a reference for persistent contexts */ -+ if ((vc_data.flagword & NXF_PERSISTENT)) -+ nx_set_persistent(new_nxi); -+out: -+ release_nx_info(new_nxi, NULL); -+ put_nx_info(new_nxi); -+ return ret; -+} -+ -+ -+int vc_net_migrate(uint32_t id, void __user *data) -+{ -+ struct nx_info *nxi; -+ -+ if (!capable(CAP_SYS_ADMIN)) -+ return -EPERM; -+ -+ nxi = lookup_nx_info(id); -+ if (!nxi) -+ return -ESRCH; -+ nx_migrate_task(current, nxi); -+ put_nx_info(nxi); -+ return 0; -+} -+ -+int vc_net_add(uint32_t nid, void __user *data) -+{ -+ struct vcmd_net_addr_v0 vc_data; -+ struct nx_info *nxi; -+ int index, pos, ret = 0; -+ -+ if (!capable(CAP_SYS_ADMIN)) -+ return -EPERM; -+ if (data && copy_from_user (&vc_data, data, sizeof(vc_data))) -+ return -EFAULT; -+ -+ switch (vc_data.type) { -+ case NXA_TYPE_IPV4: -+ if ((vc_data.count < 1) || (vc_data.count > 4)) -+ return -EINVAL; -+ break; -+ -+ default: -+ break; -+ } -+ -+ nxi = lookup_nx_info(nid); -+ if (!nxi) -+ return -ESRCH; -+ -+ switch (vc_data.type) { -+ case NXA_TYPE_IPV4: -+ index = 0; -+ while ((index < vc_data.count) && -+ ((pos = nxi->nbipv4) < NB_IPV4ROOT)) { -+ nxi->ipv4[pos] = vc_data.ip[index]; -+ nxi->mask[pos] = vc_data.mask[index]; -+ index++; -+ nxi->nbipv4++; -+ } -+ ret = index; -+ break; -+ -+ case NXA_TYPE_IPV4|NXA_MOD_BCAST: -+ nxi->v4_bcast = vc_data.ip[0]; -+ ret = 1; -+ break; -+ -+ default: -+ ret = -EINVAL; -+ break; -+ } -+ -+ put_nx_info(nxi); -+ return ret; -+} -+ -+int vc_net_remove(uint32_t nid, void __user *data) -+{ -+ struct vcmd_net_addr_v0 vc_data; -+ struct nx_info *nxi; -+ int ret = 0; -+ -+ if (!capable(CAP_SYS_ADMIN)) -+ return -EPERM; -+ if (data && copy_from_user (&vc_data, data, sizeof(vc_data))) -+ return -EFAULT; -+ -+ nxi = lookup_nx_info(nid); -+ if (!nxi) -+ return -ESRCH; -+ -+ switch (vc_data.type) { -+ case NXA_TYPE_ANY: -+ nxi->nbipv4 = 0; -+ break; -+ -+ default: -+ ret = -EINVAL; -+ break; -+ } -+ -+ put_nx_info(nxi); -+ return ret; -+} -+ -+int vc_get_nflags(uint32_t id, void __user *data) -+{ -+ struct nx_info *nxi; -+ struct vcmd_net_flags_v0 vc_data; -+ -+ if (!capable(CAP_SYS_ADMIN)) -+ return -EPERM; -+ -+ nxi = lookup_nx_info(id); -+ if (!nxi) -+ return -ESRCH; -+ -+ vc_data.flagword = nxi->nx_flags; -+ -+ /* special STATE flag handling */ -+ vc_data.mask = vx_mask_flags(~0UL, nxi->nx_flags, NXF_ONE_TIME); -+ -+ put_nx_info(nxi); -+ -+ if (copy_to_user (data, &vc_data, sizeof(vc_data))) -+ return -EFAULT; -+ return 0; -+} -+ -+int vc_set_nflags(uint32_t id, void __user *data) -+{ -+ struct nx_info *nxi; -+ struct vcmd_net_flags_v0 vc_data; -+ uint64_t mask, trigger; -+ -+ if (!capable(CAP_SYS_ADMIN)) -+ return -EPERM; -+ if (copy_from_user (&vc_data, data, sizeof(vc_data))) -+ return -EFAULT; -+ -+ nxi = lookup_nx_info(id); -+ if (!nxi) -+ return -ESRCH; -+ -+ /* special STATE flag handling */ -+ mask = vx_mask_mask(vc_data.mask, nxi->nx_flags, NXF_ONE_TIME); -+ trigger = (mask & nxi->nx_flags) ^ (mask & vc_data.flagword); -+ -+ nxi->nx_flags = vx_mask_flags(nxi->nx_flags, -+ vc_data.flagword, mask); -+ if (trigger & NXF_PERSISTENT) -+ nx_update_persistent(nxi); -+ -+ put_nx_info(nxi); -+ return 0; -+} -+ -+int vc_get_ncaps(uint32_t id, void __user *data) -+{ -+ struct nx_info *nxi; -+ struct vcmd_net_caps_v0 vc_data; -+ -+ if (!capable(CAP_SYS_ADMIN)) -+ return -EPERM; -+ -+ nxi = lookup_nx_info(id); -+ if (!nxi) -+ return -ESRCH; -+ -+ vc_data.ncaps = nxi->nx_ncaps; -+ vc_data.cmask = ~0UL; -+ put_nx_info(nxi); -+ -+ if (copy_to_user (data, &vc_data, sizeof(vc_data))) -+ return -EFAULT; -+ return 0; -+} -+ -+int vc_set_ncaps(uint32_t id, void __user *data) -+{ -+ struct nx_info *nxi; -+ struct vcmd_net_caps_v0 vc_data; -+ -+ if (!capable(CAP_SYS_ADMIN)) -+ return -EPERM; -+ if (copy_from_user (&vc_data, data, sizeof(vc_data))) -+ return -EFAULT; -+ -+ nxi = lookup_nx_info(id); -+ if (!nxi) -+ return -ESRCH; -+ -+ nxi->nx_ncaps = vx_mask_flags(nxi->nx_ncaps, -+ vc_data.ncaps, vc_data.cmask); -+ put_nx_info(nxi); -+ return 0; -+} -+ -+ -+#include <linux/module.h> -+ -+EXPORT_SYMBOL_GPL(free_nx_info); -+EXPORT_SYMBOL_GPL(unhash_nx_info); -+ -Index: linux-2.6.18/kernel/vserver/proc.c -=================================================================== ---- /dev/null -+++ linux-2.6.18/kernel/vserver/proc.c -@@ -0,0 +1,862 @@ -+/* -+ * linux/kernel/vserver/proc.c -+ * -+ * Virtual Context Support -+ * -+ * Copyright (C) 2003-2005 Herbert Pötzl -+ * -+ * V0.01 basic structure -+ * V0.02 adaptation vs1.3.0 -+ * V0.03 proc permissions -+ * V0.04 locking/generic -+ * V0.05 next generation procfs -+ * V0.06 inode validation -+ * V0.07 generic rewrite vid -+ * -+ */ -+ -+#include <linux/errno.h> -+#include <linux/proc_fs.h> -+#include <linux/sched.h> -+#include <linux/vs_context.h> -+#include <linux/vs_network.h> -+#include <linux/vs_cvirt.h> -+ -+#include <linux/vserver/switch.h> -+ -+#include <asm/uaccess.h> -+#include <asm/unistd.h> -+ -+#include "cvirt_proc.h" -+#include "limit_proc.h" -+#include "sched_proc.h" -+#include "vci_config.h" -+ -+static struct proc_dir_entry *proc_virtual; -+ -+static struct proc_dir_entry *proc_vnet; -+ -+ -+enum vid_directory_inos { -+ PROC_XID_INO = 32, -+ PROC_XID_INFO, -+ PROC_XID_STATUS, -+ PROC_XID_LIMIT, -+ PROC_XID_SCHED, -+ PROC_XID_CVIRT, -+ PROC_XID_CACCT, -+ -+ PROC_NID_INO = 64, -+ PROC_NID_INFO, -+ PROC_NID_STATUS, -+}; -+ -+#define PROC_VID_MASK 0x60 -+ -+ -+/* first the actual feeds */ -+ -+ -+static int proc_virtual_info(int vid, char *buffer) -+{ -+ return sprintf(buffer, -+ "VCIVersion:\t%04x:%04x\n" -+ "VCISyscall:\t%d\n" -+ "VCIKernel:\t%08x\n" -+ ,VCI_VERSION >> 16 -+ ,VCI_VERSION & 0xFFFF -+ ,__NR_vserver -+ ,vci_kernel_config() -+ ); -+} -+ -+ -+int proc_xid_info (int vid, char *buffer) -+{ -+ struct vx_info *vxi; -+ int length; -+ -+ vxi = lookup_vx_info(vid); -+ if (!vxi) -+ return 0; -+ length = sprintf(buffer, -+ "ID:\t%d\n" -+ "Info:\t%p\n" -+ "Init:\t%d\n" -+ ,vxi->vx_id -+ ,vxi -+ ,vxi->vx_initpid -+ ); -+ put_vx_info(vxi); -+ return length; -+} -+ -+int proc_xid_status (int vid, char *buffer) -+{ -+ struct vx_info *vxi; -+ int length; -+ -+ vxi = lookup_vx_info(vid); -+ if (!vxi) -+ return 0; -+ length = sprintf(buffer, -+ "UseCnt:\t%d\n" -+ "Tasks:\t%d\n" -+ "Flags:\t%016llx\n" -+ "BCaps:\t%016llx\n" -+ "CCaps:\t%016llx\n" -+ "Ticks:\t%d\n" -+ ,atomic_read(&vxi->vx_usecnt) -+ ,atomic_read(&vxi->vx_tasks) -+ ,(unsigned long long)vxi->vx_flags -+ ,(unsigned long long)vxi->vx_bcaps -+ ,(unsigned long long)vxi->vx_ccaps -+ ,atomic_read(&vxi->limit.ticks) -+ ); -+ put_vx_info(vxi); -+ return length; -+} -+ -+int proc_xid_limit (int vid, char *buffer) -+{ -+ struct vx_info *vxi; -+ int length; -+ -+ vxi = lookup_vx_info(vid); -+ if (!vxi) -+ return 0; -+ length = vx_info_proc_limit(&vxi->limit, buffer); -+ put_vx_info(vxi); -+ return length; -+} -+ -+int proc_xid_sched (int vid, char *buffer) -+{ -+ struct vx_info *vxi; -+ int length; -+ -+ vxi = lookup_vx_info(vid); -+ if (!vxi) -+ return 0; -+ length = vx_info_proc_sched(&vxi->sched, buffer); -+ put_vx_info(vxi); -+ return length; -+} -+ -+int proc_xid_cvirt (int vid, char *buffer) -+{ -+ struct vx_info *vxi; -+ int length; -+ -+ vxi = lookup_vx_info(vid); -+ if (!vxi) -+ return 0; -+ vx_update_load(vxi); -+ length = vx_info_proc_cvirt(&vxi->cvirt, buffer); -+ put_vx_info(vxi); -+ return length; -+} -+ -+int proc_xid_cacct (int vid, char *buffer) -+{ -+ struct vx_info *vxi; -+ int length; -+ -+ vxi = lookup_vx_info(vid); -+ if (!vxi) -+ return 0; -+ length = vx_info_proc_cacct(&vxi->cacct, buffer); -+ put_vx_info(vxi); -+ return length; -+} -+ -+ -+static int proc_vnet_info(int vid, char *buffer) -+{ -+ return sprintf(buffer, -+ "VCIVersion:\t%04x:%04x\n" -+ "VCISyscall:\t%d\n" -+ ,VCI_VERSION >> 16 -+ ,VCI_VERSION & 0xFFFF -+ ,__NR_vserver -+ ); -+} -+ -+ -+int proc_nid_info (int vid, char *buffer) -+{ -+ struct nx_info *nxi; -+ int length, i; -+ -+ nxi = lookup_nx_info(vid); -+ if (!nxi) -+ return 0; -+ length = sprintf(buffer, -+ "ID:\t%d\n" -+ "Info:\t%p\n" -+ ,nxi->nx_id -+ ,nxi -+ ); -+ for (i=0; i<nxi->nbipv4; i++) { -+ length += sprintf(buffer + length, -+ "%d:\t" NIPQUAD_FMT "/" NIPQUAD_FMT "\n", i, -+ NIPQUAD(nxi->ipv4[i]), NIPQUAD(nxi->mask[i])); -+ } -+ put_nx_info(nxi); -+ return length; -+} -+ -+int proc_nid_status (int vid, char *buffer) -+{ -+ struct nx_info *nxi; -+ int length; -+ -+ nxi = lookup_nx_info(vid); -+ if (!nxi) -+ return 0; -+ length = sprintf(buffer, -+ "UseCnt:\t%d\n" -+ "Tasks:\t%d\n" -+ "Flags:\t%016llx\n" -+ ,atomic_read(&nxi->nx_usecnt) -+ ,atomic_read(&nxi->nx_tasks) -+ ,(unsigned long long)nxi->nx_flags -+ ); -+ put_nx_info(nxi); -+ return length; -+} -+ -+/* here the inode helpers */ -+ -+ -+#define fake_ino(id,nr) (((nr) & 0xFFFF) | \ -+ (((id) & 0xFFFF) << 16)) -+ -+#define inode_vid(i) (((i)->i_ino >> 16) & 0xFFFF) -+#define inode_type(i) ((i)->i_ino & 0xFFFF) -+ -+#define MAX_MULBY10 ((~0U-9)/10) -+ -+ -+static struct inode *proc_vid_make_inode(struct super_block * sb, -+ int vid, int ino) -+{ -+ struct inode *inode = new_inode(sb); -+ -+ if (!inode) -+ goto out; -+ -+ inode->i_mtime = inode->i_atime = -+ inode->i_ctime = CURRENT_TIME; -+ inode->i_ino = fake_ino(vid, ino); -+ -+ inode->i_uid = 0; -+ inode->i_gid = 0; -+out: -+ return inode; -+} -+ -+static int proc_vid_revalidate(struct dentry * dentry, struct nameidata *nd) -+{ -+ struct inode * inode = dentry->d_inode; -+ int vid, hashed=0; -+ -+ vid = inode_vid(inode); -+ switch (inode_type(inode) & PROC_VID_MASK) { -+ case PROC_XID_INO: -+ hashed = xid_is_hashed(vid); -+ break; -+ case PROC_NID_INO: -+ hashed = nid_is_hashed(vid); -+ break; -+ } -+ if (hashed) -+ return 1; -+ d_drop(dentry); -+ return 0; -+} -+ -+ -+#define PROC_BLOCK_SIZE (PAGE_SIZE - 1024) -+ -+static ssize_t proc_vid_info_read(struct file * file, char __user * buf, -+ size_t count, loff_t *ppos) -+{ -+ struct inode * inode = file->f_dentry->d_inode; -+ unsigned long page; -+ ssize_t length; -+ int vid; -+ -+ if (count > PROC_BLOCK_SIZE) -+ count = PROC_BLOCK_SIZE; -+ if (!(page = __get_free_page(GFP_KERNEL))) -+ return -ENOMEM; -+ -+ vid = inode_vid(inode); -+ length = PROC_I(inode)->op.proc_vid_read(vid, (char*)page); -+ -+ if (length >= 0) -+ length = simple_read_from_buffer(buf, count, ppos, -+ (char *)page, length); -+ free_page(page); -+ return length; -+} -+ -+ -+ -+ -+ -+/* here comes the lower level (vid) */ -+ -+static struct file_operations proc_vid_info_file_operations = { -+ .read = proc_vid_info_read, -+}; -+ -+static struct dentry_operations proc_vid_dentry_operations = { -+ .d_revalidate = proc_vid_revalidate, -+}; -+ -+ -+struct vid_entry { -+ int type; -+ int len; -+ char *name; -+ mode_t mode; -+}; -+ -+#define E(type,name,mode) {(type),sizeof(name)-1,(name),(mode)} -+ -+static struct vid_entry vx_base_stuff[] = { -+ E(PROC_XID_INFO, "info", S_IFREG|S_IRUGO), -+ E(PROC_XID_STATUS, "status", S_IFREG|S_IRUGO), -+ E(PROC_XID_LIMIT, "limit", S_IFREG|S_IRUGO), -+ E(PROC_XID_SCHED, "sched", S_IFREG|S_IRUGO), -+ E(PROC_XID_CVIRT, "cvirt", S_IFREG|S_IRUGO), -+ E(PROC_XID_CACCT, "cacct", S_IFREG|S_IRUGO), -+ {0,0,NULL,0} -+}; -+ -+static struct vid_entry vn_base_stuff[] = { -+ E(PROC_NID_INFO, "info", S_IFREG|S_IRUGO), -+ E(PROC_NID_STATUS, "status", S_IFREG|S_IRUGO), -+ {0,0,NULL,0} -+}; -+ -+ -+ -+static struct dentry *proc_vid_lookup(struct inode *dir, -+ struct dentry *dentry, struct nameidata *nd) -+{ -+ struct inode *inode; -+ struct vid_entry *p; -+ int error; -+ -+ error = -ENOENT; -+ inode = NULL; -+ -+ switch (inode_type(dir)) { -+ case PROC_XID_INO: -+ p = vx_base_stuff; -+ break; -+ case PROC_NID_INO: -+ p = vn_base_stuff; -+ break; -+ default: -+ goto out; -+ } -+ -+ for (; p->name; p++) { -+ if (p->len != dentry->d_name.len) -+ continue; -+ if (!memcmp(dentry->d_name.name, p->name, p->len)) -+ break; -+ } -+ if (!p->name) -+ goto out; -+ -+ error = -EINVAL; -+ inode = proc_vid_make_inode(dir->i_sb, inode_vid(dir), p->type); -+ if (!inode) -+ goto out; -+ -+ switch(p->type) { -+ case PROC_XID_INFO: -+ PROC_I(inode)->op.proc_vid_read = proc_xid_info; -+ break; -+ case PROC_XID_STATUS: -+ PROC_I(inode)->op.proc_vid_read = proc_xid_status; -+ break; -+ case PROC_XID_LIMIT: -+ PROC_I(inode)->op.proc_vid_read = proc_xid_limit; -+ break; -+ case PROC_XID_SCHED: -+ PROC_I(inode)->op.proc_vid_read = proc_xid_sched; -+ break; -+ case PROC_XID_CVIRT: -+ PROC_I(inode)->op.proc_vid_read = proc_xid_cvirt; -+ break; -+ case PROC_XID_CACCT: -+ PROC_I(inode)->op.proc_vid_read = proc_xid_cacct; -+ break; -+ -+ case PROC_NID_INFO: -+ PROC_I(inode)->op.proc_vid_read = proc_nid_info; -+ break; -+ case PROC_NID_STATUS: -+ PROC_I(inode)->op.proc_vid_read = proc_nid_status; -+ break; -+ -+ default: -+ printk("procfs: impossible type (%d)",p->type); -+ iput(inode); -+ return ERR_PTR(-EINVAL); -+ } -+ inode->i_mode = p->mode; -+ inode->i_fop = &proc_vid_info_file_operations; -+ inode->i_nlink = 1; -+ inode->i_flags|=S_IMMUTABLE; -+ -+ dentry->d_op = &proc_vid_dentry_operations; -+ d_add(dentry, inode); -+ error = 0; -+out: -+ return ERR_PTR(error); -+} -+ -+ -+static int proc_vid_readdir(struct file * filp, -+ void * dirent, filldir_t filldir) -+{ -+ int i, size; -+ struct inode *inode = filp->f_dentry->d_inode; -+ struct vid_entry *p; -+ -+ i = filp->f_pos; -+ switch (i) { -+ case 0: -+ if (filldir(dirent, ".", 1, i, -+ inode->i_ino, DT_DIR) < 0) -+ return 0; -+ i++; -+ filp->f_pos++; -+ /* fall through */ -+ case 1: -+ if (filldir(dirent, "..", 2, i, -+ PROC_ROOT_INO, DT_DIR) < 0) -+ return 0; -+ i++; -+ filp->f_pos++; -+ /* fall through */ -+ default: -+ i -= 2; -+ switch (inode_type(inode)) { -+ case PROC_XID_INO: -+ size = sizeof(vx_base_stuff); -+ p = vx_base_stuff + i; -+ break; -+ case PROC_NID_INO: -+ size = sizeof(vn_base_stuff); -+ p = vn_base_stuff + i; -+ break; -+ default: -+ return 1; -+ } -+ if (i >= size/sizeof(struct vid_entry)) -+ return 1; -+ while (p->name) { -+ if (filldir(dirent, p->name, p->len, -+ filp->f_pos, fake_ino(inode_vid(inode), -+ p->type), p->mode >> 12) < 0) -+ return 0; -+ filp->f_pos++; -+ p++; -+ } -+ } -+ return 1; -+} -+ -+ -+ -+ -+/* now the upper level (virtual) */ -+ -+static struct file_operations proc_vid_file_operations = { -+ .read = generic_read_dir, -+ .readdir = proc_vid_readdir, -+}; -+ -+static struct inode_operations proc_vid_inode_operations = { -+ .lookup = proc_vid_lookup, -+}; -+ -+ -+ -+static __inline__ int atovid(const char *str, int len) -+{ -+ int vid, c; -+ -+ vid = 0; -+ while (len-- > 0) { -+ c = *str - '0'; -+ str++; -+ if (c > 9) -+ return -1; -+ if (vid >= MAX_MULBY10) -+ return -1; -+ vid *= 10; -+ vid += c; -+ if (!vid) -+ return -1; -+ } -+ return vid; -+} -+ -+ -+struct dentry *proc_virtual_lookup(struct inode *dir, -+ struct dentry * dentry, struct nameidata *nd) -+{ -+ int xid, len, ret; -+ struct vx_info *vxi; -+ const char *name; -+ struct inode *inode; -+ -+ name = dentry->d_name.name; -+ len = dentry->d_name.len; -+ ret = -ENOMEM; -+ -+ if (len == 7 && !memcmp(name, "current", 7)) { -+ inode = new_inode(dir->i_sb); -+ if (!inode) -+ goto out; -+ inode->i_mtime = inode->i_atime = -+ inode->i_ctime = CURRENT_TIME; -+ inode->i_ino = fake_ino(1, PROC_XID_INO); -+ inode->i_mode = S_IFLNK|S_IRWXUGO; -+ inode->i_uid = inode->i_gid = 0; -+ d_add(dentry, inode); -+ return NULL; -+ } -+ if (len == 4 && !memcmp(name, "info", 4)) { -+ inode = proc_vid_make_inode(dir->i_sb, 0, PROC_XID_INFO); -+ if (!inode) -+ goto out; -+ inode->i_fop = &proc_vid_info_file_operations; -+ PROC_I(inode)->op.proc_vid_read = proc_virtual_info; -+ inode->i_mode = S_IFREG|S_IRUGO; -+ d_add(dentry, inode); -+ return NULL; -+ } -+ -+ ret = -ENOENT; -+ xid = atovid(name, len); -+ if (xid < 0) -+ goto out; -+ vxi = lookup_vx_info(xid); -+ if (!vxi) -+ goto out; -+ -+ inode = NULL; -+ if (vx_check(xid, VX_ADMIN|VX_WATCH|VX_IDENT)) -+ inode = proc_vid_make_inode(dir->i_sb, -+ vxi->vx_id, PROC_XID_INO); -+ if (!inode) -+ goto out_release; -+ -+ inode->i_mode = S_IFDIR|S_IRUGO|S_IXUGO; -+ inode->i_op = &proc_vid_inode_operations; -+ inode->i_fop = &proc_vid_file_operations; -+ inode->i_nlink = 2; -+ inode->i_flags|=S_IMMUTABLE; -+ -+ dentry->d_op = &proc_vid_dentry_operations; -+ d_add(dentry, inode); -+ ret = 0; -+ -+out_release: -+ put_vx_info(vxi); -+out: -+ return ERR_PTR(ret); -+} -+ -+ -+struct dentry *proc_vnet_lookup(struct inode *dir, -+ struct dentry * dentry, struct nameidata *nd) -+{ -+ int nid, len, ret; -+ struct nx_info *nxi; -+ const char *name; -+ struct inode *inode; -+ -+ name = dentry->d_name.name; -+ len = dentry->d_name.len; -+ ret = -ENOMEM; -+ if (len == 7 && !memcmp(name, "current", 7)) { -+ inode = new_inode(dir->i_sb); -+ if (!inode) -+ goto out; -+ inode->i_mtime = inode->i_atime = -+ inode->i_ctime = CURRENT_TIME; -+ inode->i_ino = fake_ino(1, PROC_NID_INO); -+ inode->i_mode = S_IFLNK|S_IRWXUGO; -+ inode->i_uid = inode->i_gid = 0; -+ d_add(dentry, inode); -+ return NULL; -+ } -+ if (len == 4 && !memcmp(name, "info", 4)) { -+ inode = proc_vid_make_inode(dir->i_sb, 0, PROC_NID_INFO); -+ if (!inode) -+ goto out; -+ inode->i_fop = &proc_vid_info_file_operations; -+ PROC_I(inode)->op.proc_vid_read = proc_vnet_info; -+ inode->i_mode = S_IFREG|S_IRUGO; -+ d_add(dentry, inode); -+ return NULL; -+ } -+ -+ ret = -ENOENT; -+ nid = atovid(name, len); -+ if (nid < 0) -+ goto out; -+ nxi = lookup_nx_info(nid); -+ if (!nxi) -+ goto out; -+ -+ inode = NULL; -+ if (1) -+ inode = proc_vid_make_inode(dir->i_sb, -+ nxi->nx_id, PROC_NID_INO); -+ if (!inode) -+ goto out_release; -+ -+ inode->i_mode = S_IFDIR|S_IRUGO|S_IXUGO; -+ inode->i_op = &proc_vid_inode_operations; -+ inode->i_fop = &proc_vid_file_operations; -+ inode->i_nlink = 2; -+ inode->i_flags|=S_IMMUTABLE; -+ -+ dentry->d_op = &proc_vid_dentry_operations; -+ d_add(dentry, inode); -+ ret = 0; -+ -+out_release: -+ put_nx_info(nxi); -+out: -+ return ERR_PTR(ret); -+} -+ -+ -+ -+ -+#define PROC_NUMBUF 10 -+#define PROC_MAXVIDS 32 -+ -+int proc_virtual_readdir(struct file * filp, -+ void * dirent, filldir_t filldir) -+{ -+ unsigned int xid_array[PROC_MAXVIDS]; -+ char buf[PROC_NUMBUF]; -+ unsigned int nr = filp->f_pos-3; -+ unsigned int nr_xids, i; -+ ino_t ino; -+ -+ switch ((long)filp->f_pos) { -+ case 0: -+ ino = fake_ino(0, PROC_XID_INO); -+ if (filldir(dirent, ".", 1, -+ filp->f_pos, ino, DT_DIR) < 0) -+ return 0; -+ filp->f_pos++; -+ /* fall through */ -+ case 1: -+ ino = filp->f_dentry->d_parent->d_inode->i_ino; -+ if (filldir(dirent, "..", 2, -+ filp->f_pos, ino, DT_DIR) < 0) -+ return 0; -+ filp->f_pos++; -+ /* fall through */ -+ case 2: -+ ino = fake_ino(0, PROC_XID_INFO); -+ if (filldir(dirent, "info", 4, -+ filp->f_pos, ino, DT_LNK) < 0) -+ return 0; -+ filp->f_pos++; -+ /* fall through */ -+ case 3: -+ if (vx_current_xid() > 1) { -+ ino = fake_ino(1, PROC_XID_INO); -+ if (filldir(dirent, "current", 7, -+ filp->f_pos, ino, DT_LNK) < 0) -+ return 0; -+ } -+ filp->f_pos++; -+ } -+ -+ nr_xids = get_xid_list(nr, xid_array, PROC_MAXVIDS); -+ for (i = 0; i < nr_xids; i++) { -+ int xid = xid_array[i]; -+ ino_t ino = fake_ino(xid, PROC_XID_INO); -+ unsigned int j = PROC_NUMBUF; -+ -+ do buf[--j] = '0' + (xid % 10); while (xid/=10); -+ -+ if (filldir(dirent, buf+j, PROC_NUMBUF-j, -+ filp->f_pos, ino, DT_DIR) < 0) -+ break; -+ filp->f_pos++; -+ } -+ return 0; -+} -+ -+ -+static struct file_operations proc_virtual_dir_operations = { -+ .read = generic_read_dir, -+ .readdir = proc_virtual_readdir, -+}; -+ -+static struct inode_operations proc_virtual_dir_inode_operations = { -+ .lookup = proc_virtual_lookup, -+}; -+ -+ -+int proc_vnet_readdir(struct file * filp, -+ void * dirent, filldir_t filldir) -+{ -+ unsigned int nid_array[PROC_MAXVIDS]; -+ char buf[PROC_NUMBUF]; -+ unsigned int nr = filp->f_pos-2; -+ unsigned int nr_nids, i; -+ ino_t ino; -+ -+ switch ((long)filp->f_pos) { -+ case 0: -+ ino = fake_ino(0, PROC_NID_INO); -+ if (filldir(dirent, ".", 1, -+ filp->f_pos, ino, DT_DIR) < 0) -+ return 0; -+ filp->f_pos++; -+ /* fall through */ -+ case 1: -+ ino = filp->f_dentry->d_parent->d_inode->i_ino; -+ if (filldir(dirent, "..", 2, -+ filp->f_pos, ino, DT_DIR) < 0) -+ return 0; -+ filp->f_pos++; -+ /* fall through */ -+ case 2: -+ ino = fake_ino(0, PROC_NID_INFO); -+ if (filldir(dirent, "info", 4, -+ filp->f_pos, ino, DT_REG) < 0) -+ return 0; -+ filp->f_pos++; -+ /* fall through */ -+ } -+ -+ nr_nids = get_nid_list(nr, nid_array, PROC_MAXVIDS); -+ for (i = 0; i < nr_nids; i++) { -+ int nid = nid_array[i]; -+ ino_t ino = fake_ino(nid, PROC_NID_INO); -+ unsigned long j = PROC_NUMBUF; -+ -+ do buf[--j] = '0' + (nid % 10); while (nid/=10); -+ -+ if (filldir(dirent, buf+j, PROC_NUMBUF-j, -+ filp->f_pos, ino, DT_DIR) < 0) -+ break; -+ filp->f_pos++; -+ } -+ return 0; -+} -+ -+ -+static struct file_operations proc_vnet_dir_operations = { -+ .read = generic_read_dir, -+ .readdir = proc_vnet_readdir, -+}; -+ -+static struct inode_operations proc_vnet_dir_inode_operations = { -+ .lookup = proc_vnet_lookup, -+}; -+ -+ -+ -+void proc_vx_init(void) -+{ -+ struct proc_dir_entry *ent; -+ -+ ent = proc_mkdir("virtual", 0); -+ if (ent) { -+ ent->proc_fops = &proc_virtual_dir_operations; -+ ent->proc_iops = &proc_virtual_dir_inode_operations; -+ } -+ proc_virtual = ent; -+ -+ ent = proc_mkdir("virtnet", 0); -+ if (ent) { -+ ent->proc_fops = &proc_vnet_dir_operations; -+ ent->proc_iops = &proc_vnet_dir_inode_operations; -+ } -+ proc_vnet = ent; -+} -+ -+ -+ -+ -+/* per pid info */ -+ -+ -+int proc_pid_vx_info(struct task_struct *p, char *buffer) -+{ -+ struct vx_info *vxi; -+ char * orig = buffer; -+ -+ buffer += sprintf (buffer,"XID:\t%d\n", vx_task_xid(p)); -+ if (vx_flags(VXF_INFO_HIDE, 0)) -+ goto out; -+ -+ vxi = task_get_vx_info(p); -+ if (!vxi) -+ goto out; -+ -+ buffer += sprintf (buffer,"BCaps:\t%016llx\n" -+ ,(unsigned long long)vxi->vx_bcaps); -+ buffer += sprintf (buffer,"CCaps:\t%016llx\n" -+ ,(unsigned long long)vxi->vx_ccaps); -+ buffer += sprintf (buffer,"CFlags:\t%016llx\n" -+ ,(unsigned long long)vxi->vx_flags); -+ buffer += sprintf (buffer,"CIPid:\t%d\n" -+ ,vxi->vx_initpid); -+ -+ put_vx_info(vxi); -+out: -+ return buffer - orig; -+} -+ -+ -+int proc_pid_nx_info(struct task_struct *p, char *buffer) -+{ -+ struct nx_info *nxi; -+ char * orig = buffer; -+ int i; -+ -+ buffer += sprintf (buffer,"NID:\t%d\n", nx_task_nid(p)); -+ if (vx_flags(VXF_INFO_HIDE, 0)) -+ goto out; -+ nxi = task_get_nx_info(p); -+ if (!nxi) -+ goto out; -+ -+ for (i=0; i<nxi->nbipv4; i++){ -+ buffer += sprintf (buffer, -+ "V4Root[%d]:\t%d.%d.%d.%d/%d.%d.%d.%d\n", i -+ ,NIPQUAD(nxi->ipv4[i]) -+ ,NIPQUAD(nxi->mask[i])); -+ } -+ buffer += sprintf (buffer, -+ "V4Root[bcast]:\t%d.%d.%d.%d\n" -+ ,NIPQUAD(nxi->v4_bcast)); -+ -+ put_nx_info(nxi); -+out: -+ return buffer - orig; -+} -+ -Index: linux-2.6.18/kernel/vserver/sched.c -=================================================================== ---- /dev/null -+++ linux-2.6.18/kernel/vserver/sched.c -@@ -0,0 +1,217 @@ -+/* -+ * linux/kernel/vserver/sched.c -+ * -+ * Virtual Server: Scheduler Support -+ * -+ * Copyright (C) 2004-2005 Herbert Pötzl -+ * -+ * V0.01 adapted Sam Vilains version to 2.6.3 -+ * V0.02 removed legacy interface -+ * -+ */ -+ -+#include <linux/sched.h> -+#include <linux/vs_context.h> -+#include <linux/vs_sched.h> -+#include <linux/vserver/sched_cmd.h> -+ -+#include <asm/errno.h> -+#include <asm/uaccess.h> -+ -+ -+/* -+ * recalculate the context's scheduling tokens -+ * -+ * ret > 0 : number of tokens available -+ * ret = 0 : context is paused -+ * ret < 0 : number of jiffies until new tokens arrive -+ * -+ */ -+int vx_tokens_recalc(struct vx_info *vxi) -+{ -+ long delta, tokens = 0; -+ -+ if (vx_info_flags(vxi, VXF_SCHED_PAUSE, 0)) -+ /* we are paused */ -+ return 0; -+ -+ delta = jiffies - vxi->sched.jiffies; -+ -+ if (delta >= vxi->sched.interval) { -+ /* lockdown scheduler info */ -+ spin_lock(&vxi->sched.tokens_lock); -+ -+ /* calc integral token part */ -+ delta = jiffies - vxi->sched.jiffies; -+ tokens = delta / vxi->sched.interval; -+ delta = tokens * vxi->sched.interval; -+ tokens *= vxi->sched.fill_rate; -+ -+ atomic_add(tokens, &vxi->sched.tokens); -+ vxi->sched.jiffies += delta; -+ tokens = atomic_read(&vxi->sched.tokens); -+ -+ if (tokens > vxi->sched.tokens_max) { -+ tokens = vxi->sched.tokens_max; -+ atomic_set(&vxi->sched.tokens, tokens); -+ } -+ spin_unlock(&vxi->sched.tokens_lock); -+ } else { -+ /* no new tokens */ -+ tokens = vx_tokens_avail(vxi); -+ if (tokens <= 0) -+ vxi->vx_state |= VXS_ONHOLD; -+ if (tokens < vxi->sched.tokens_min) { -+ /* enough tokens will be available in */ -+ if (vxi->sched.tokens_min == 0) -+ return delta - vxi->sched.interval; -+ return delta - vxi->sched.interval * -+ vxi->sched.tokens_min / vxi->sched.fill_rate; -+ } -+ } -+ -+ /* we have some tokens left */ -+ if (vx_info_state(vxi, VXS_ONHOLD) && -+ (tokens >= vxi->sched.tokens_min)) -+ vxi->vx_state &= ~VXS_ONHOLD; -+ if (vx_info_state(vxi, VXS_ONHOLD)) -+ tokens -= vxi->sched.tokens_min; -+ -+ return tokens; -+} -+ -+/* -+ * effective_prio - return the priority that is based on the static -+ * priority but is modified by bonuses/penalties. -+ * -+ * We scale the actual sleep average [0 .... MAX_SLEEP_AVG] -+ * into a -4 ... 0 ... +4 bonus/penalty range. -+ * -+ * Additionally, we scale another amount based on the number of -+ * CPU tokens currently held by the context, if the process is -+ * part of a context (and the appropriate SCHED flag is set). -+ * This ranges from -5 ... 0 ... +15, quadratically. -+ * -+ * So, the total bonus is -9 .. 0 .. +19 -+ * We use ~50% of the full 0...39 priority range so that: -+ * -+ * 1) nice +19 interactive tasks do not preempt nice 0 CPU hogs. -+ * 2) nice -20 CPU hogs do not get preempted by nice 0 tasks. -+ * unless that context is far exceeding its CPU allocation. -+ * -+ * Both properties are important to certain workloads. -+ */ -+int vx_effective_vavavoom(struct vx_info *vxi, int max_prio) -+{ -+ int vavavoom, max; -+ -+ /* lots of tokens = lots of vavavoom -+ * no tokens = no vavavoom */ -+ if ((vavavoom = atomic_read(&vxi->sched.tokens)) >= 0) { -+ max = vxi->sched.tokens_max; -+ vavavoom = max - vavavoom; -+ max = max * max; -+ vavavoom = max_prio * VAVAVOOM_RATIO / 100 -+ * (vavavoom*vavavoom - (max >> 2)) / max; -+ } else -+ vavavoom = 0; -+ -+ vxi->sched.vavavoom = vavavoom; -+ return vavavoom + vxi->sched.priority_bias; -+} -+ -+ -+int vc_set_sched_v2(uint32_t xid, void __user *data) -+{ -+ struct vcmd_set_sched_v2 vc_data; -+ struct vx_info *vxi; -+ -+ if (copy_from_user (&vc_data, data, sizeof(vc_data))) -+ return -EFAULT; -+ -+ vxi = lookup_vx_info(xid); -+ if (!vxi) -+ return -EINVAL; -+ -+ spin_lock(&vxi->sched.tokens_lock); -+ -+ if (vc_data.interval != SCHED_KEEP) -+ vxi->sched.interval = vc_data.interval; -+ if (vc_data.fill_rate != SCHED_KEEP) -+ vxi->sched.fill_rate = vc_data.fill_rate; -+ if (vc_data.tokens_min != SCHED_KEEP) -+ vxi->sched.tokens_min = vc_data.tokens_min; -+ if (vc_data.tokens_max != SCHED_KEEP) -+ vxi->sched.tokens_max = vc_data.tokens_max; -+ if (vc_data.tokens != SCHED_KEEP) -+ atomic_set(&vxi->sched.tokens, vc_data.tokens); -+ -+ /* Sanity check the resultant values */ -+ if (vxi->sched.fill_rate <= 0) -+ vxi->sched.fill_rate = 1; -+ if (vxi->sched.interval <= 0) -+ vxi->sched.interval = HZ; -+ if (vxi->sched.tokens_max == 0) -+ vxi->sched.tokens_max = 1; -+ if (atomic_read(&vxi->sched.tokens) > vxi->sched.tokens_max) -+ atomic_set(&vxi->sched.tokens, vxi->sched.tokens_max); -+ if (vxi->sched.tokens_min > vxi->sched.tokens_max) -+ vxi->sched.tokens_min = vxi->sched.tokens_max; -+ -+ spin_unlock(&vxi->sched.tokens_lock); -+ put_vx_info(vxi); -+ return 0; -+} -+ -+ -+int vc_set_sched(uint32_t xid, void __user *data) -+{ -+ struct vcmd_set_sched_v3 vc_data; -+ struct vx_info *vxi; -+ unsigned int set_mask; -+ -+ if (copy_from_user (&vc_data, data, sizeof(vc_data))) -+ return -EFAULT; -+ -+ vxi = lookup_vx_info(xid); -+ if (!vxi) -+ return -EINVAL; -+ -+ set_mask = vc_data.set_mask; -+ -+ spin_lock(&vxi->sched.tokens_lock); -+ -+ if (set_mask & VXSM_FILL_RATE) -+ vxi->sched.fill_rate = vc_data.fill_rate; -+ if (set_mask & VXSM_INTERVAL) -+ vxi->sched.interval = vc_data.interval; -+ if (set_mask & VXSM_TOKENS) -+ atomic_set(&vxi->sched.tokens, vc_data.tokens); -+ if (set_mask & VXSM_TOKENS_MIN) -+ vxi->sched.tokens_min = vc_data.tokens_min; -+ if (set_mask & VXSM_TOKENS_MAX) -+ vxi->sched.tokens_max = vc_data.tokens_max; -+ if (set_mask & VXSM_PRIO_BIAS) -+ vxi->sched.priority_bias = vc_data.priority_bias; -+ -+ /* Sanity check the resultant values */ -+ if (vxi->sched.fill_rate <= 0) -+ vxi->sched.fill_rate = 1; -+ if (vxi->sched.interval <= 0) -+ vxi->sched.interval = HZ; -+ if (vxi->sched.tokens_max == 0) -+ vxi->sched.tokens_max = 1; -+ if (atomic_read(&vxi->sched.tokens) > vxi->sched.tokens_max) -+ atomic_set(&vxi->sched.tokens, vxi->sched.tokens_max); -+ if (vxi->sched.tokens_min > vxi->sched.tokens_max) -+ vxi->sched.tokens_min = vxi->sched.tokens_max; -+ if (vxi->sched.priority_bias > MAX_PRIO_BIAS) -+ vxi->sched.priority_bias = MAX_PRIO_BIAS; -+ if (vxi->sched.priority_bias < MIN_PRIO_BIAS) -+ vxi->sched.priority_bias = MIN_PRIO_BIAS; -+ -+ spin_unlock(&vxi->sched.tokens_lock); -+ put_vx_info(vxi); -+ return 0; -+} -+ -Index: linux-2.6.18/kernel/vserver/sched_init.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/kernel/vserver/sched_init.h -@@ -0,0 +1,33 @@ -+ -+static inline void vx_info_init_sched(struct _vx_sched *sched) -+{ -+ static struct lock_class_key tokens_lock_key; -+ int i; -+ -+ /* scheduling; hard code starting values as constants */ -+ sched->fill_rate = 1; -+ sched->interval = 4; -+ sched->tokens_min = HZ >> 4; -+ sched->tokens_max = HZ >> 1; -+ sched->jiffies = jiffies; -+ sched->tokens_lock = SPIN_LOCK_UNLOCKED; -+ -+ lockdep_set_class(&sched->tokens_lock, &tokens_lock_key); -+ -+ atomic_set(&sched->tokens, HZ >> 2); -+ sched->cpus_allowed = CPU_MASK_ALL; -+ sched->priority_bias = 0; -+ sched->vavavoom = 0; -+ -+ for_each_possible_cpu(i) { -+ sched->cpu[i].user_ticks = 0; -+ sched->cpu[i].sys_ticks = 0; -+ sched->cpu[i].hold_ticks = 0; -+ } -+} -+ -+static inline void vx_info_exit_sched(struct _vx_sched *sched) -+{ -+ return; -+} -+ -Index: linux-2.6.18/kernel/vserver/sched_proc.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/kernel/vserver/sched_proc.h -@@ -0,0 +1,40 @@ -+#ifndef _VX_SCHED_PROC_H -+#define _VX_SCHED_PROC_H -+ -+ -+static inline int vx_info_proc_sched(struct _vx_sched *sched, char *buffer) -+{ -+ int length = 0; -+ int i; -+ -+ length += sprintf(buffer, -+ "Token:\t\t%8d\n" -+ "FillRate:\t%8d\n" -+ "Interval:\t%8d\n" -+ "TokensMin:\t%8d\n" -+ "TokensMax:\t%8d\n" -+ "PrioBias:\t%8d\n" -+ "VaVaVoom:\t%8d\n" -+ ,atomic_read(&sched->tokens) -+ ,sched->fill_rate -+ ,sched->interval -+ ,sched->tokens_min -+ ,sched->tokens_max -+ ,sched->priority_bias -+ ,sched->vavavoom -+ ); -+ -+ for_each_online_cpu(i) { -+ length += sprintf(buffer + length, -+ "cpu %d: %lld %lld %lld\n" -+ ,i -+ ,(long long)sched->cpu[i].user_ticks -+ ,(long long)sched->cpu[i].sys_ticks -+ ,(long long)sched->cpu[i].hold_ticks -+ ); -+ } -+ -+ return length; -+} -+ -+#endif /* _VX_SCHED_PROC_H */ -Index: linux-2.6.18/kernel/vserver/signal.c -=================================================================== ---- /dev/null -+++ linux-2.6.18/kernel/vserver/signal.c -@@ -0,0 +1,139 @@ -+/* -+ * linux/kernel/vserver/signal.c -+ * -+ * Virtual Server: Signal Support -+ * -+ * Copyright (C) 2003-2005 Herbert Pötzl -+ * -+ * V0.01 broken out from vcontext V0.05 -+ * -+ */ -+ -+#include <linux/sched.h> -+ -+#include <asm/errno.h> -+#include <asm/uaccess.h> -+ -+#include <linux/vs_context.h> -+#include <linux/vserver/signal_cmd.h> -+ -+ -+int vx_info_kill(struct vx_info *vxi, int pid, int sig) -+{ -+ int retval, count=0; -+ struct task_struct *p; -+ unsigned long priv = 0; -+ -+ retval = -ESRCH; -+ vxdprintk(VXD_CBIT(misc, 4), -+ "vx_info_kill(%p[#%d],%d,%d)*", -+ vxi, vxi->vx_id, pid, sig); -+ read_lock(&tasklist_lock); -+ switch (pid) { -+ case 0: -+ priv = 1; -+ case -1: -+ for_each_process(p) { -+ int err = 0; -+ -+ if (vx_task_xid(p) != vxi->vx_id || p->pid <= 1 || -+ (pid && vxi->vx_initpid == p->pid)) -+ continue; -+ -+ err = group_send_sig_info(sig, (void*)priv, p); -+ ++count; -+ if (err != -EPERM) -+ retval = err; -+ } -+ break; -+ -+ case 1: -+ if (vxi->vx_initpid) { -+ pid = vxi->vx_initpid; -+ priv = 1; -+ } -+ /* fallthrough */ -+ default: -+ p = find_task_by_real_pid(pid); -+ if (p) { -+ if (vx_task_xid(p) == vxi->vx_id) -+ retval = group_send_sig_info(sig, -+ (void*)priv, p); -+ } -+ break; -+ } -+ read_unlock(&tasklist_lock); -+ vxdprintk(VXD_CBIT(misc, 4), -+ "vx_info_kill(%p[#%d],%d,%d) = %d", -+ vxi, vxi->vx_id, pid, sig, retval); -+ return retval; -+} -+ -+int vc_ctx_kill(uint32_t id, void __user *data) -+{ -+ int retval; -+ struct vcmd_ctx_kill_v0 vc_data; -+ struct vx_info *vxi; -+ -+ if (!vx_check(0, VX_ADMIN)) -+ return -ENOSYS; -+ if (copy_from_user (&vc_data, data, sizeof(vc_data))) -+ return -EFAULT; -+ -+ vxi = lookup_vx_info(id); -+ if (!vxi) -+ return -ESRCH; -+ -+ retval = vx_info_kill(vxi, vc_data.pid, vc_data.sig); -+ put_vx_info(vxi); -+ return retval; -+} -+ -+ -+static int __wait_exit(struct vx_info *vxi) -+{ -+ DECLARE_WAITQUEUE(wait, current); -+ int ret = 0; -+ -+ add_wait_queue(&vxi->vx_wait, &wait); -+ set_current_state(TASK_INTERRUPTIBLE); -+ -+wait: -+ if (vx_info_state(vxi, -+ VXS_SHUTDOWN|VXS_HASHED|VXS_HELPER) == VXS_SHUTDOWN) -+ goto out; -+ if (signal_pending(current)) { -+ ret = -ERESTARTSYS; -+ goto out; -+ } -+ schedule(); -+ goto wait; -+ -+out: -+ set_current_state(TASK_RUNNING); -+ remove_wait_queue(&vxi->vx_wait, &wait); -+ return ret; -+} -+ -+ -+ -+int vc_wait_exit(uint32_t id, void __user *data) -+{ -+ struct vx_info *vxi; -+ struct vcmd_wait_exit_v0 vc_data; -+ int ret; -+ -+ vxi = lookup_vx_info(id); -+ if (!vxi) -+ return -ESRCH; -+ -+ ret = __wait_exit(vxi); -+ vc_data.reboot_cmd = vxi->reboot_cmd; -+ vc_data.exit_code = vxi->exit_code; -+ put_vx_info(vxi); -+ -+ if (copy_to_user (data, &vc_data, sizeof(vc_data))) -+ ret = -EFAULT; -+ return ret; -+} -+ -Index: linux-2.6.18/kernel/vserver/switch.c -=================================================================== ---- /dev/null -+++ linux-2.6.18/kernel/vserver/switch.c -@@ -0,0 +1,268 @@ -+/* -+ * linux/kernel/vserver/switch.c -+ * -+ * Virtual Server: Syscall Switch -+ * -+ * Copyright (C) 2003-2005 Herbert Pötzl -+ * -+ * V0.01 syscall switch -+ * V0.02 added signal to context -+ * V0.03 added rlimit functions -+ * V0.04 added iattr, task/xid functions -+ * V0.05 added debug/history stuff -+ * V0.06 added compat32 layer -+ * -+ */ -+ -+#include <linux/linkage.h> -+#include <linux/sched.h> -+#include <linux/compat.h> -+#include <asm/errno.h> -+ -+#include <linux/vserver/network.h> -+#include <linux/vserver/switch.h> -+#include <linux/vserver/debug.h> -+ -+ -+static inline -+int vc_get_version(uint32_t id) -+{ -+#ifdef CONFIG_VSERVER_LEGACY_VERSION -+ if (id == 63) -+ return VCI_LEGACY_VERSION; -+#endif -+ return VCI_VERSION; -+} -+ -+#include <linux/vserver/context_cmd.h> -+#include <linux/vserver/cvirt_cmd.h> -+#include <linux/vserver/limit_cmd.h> -+#include <linux/vserver/network_cmd.h> -+#include <linux/vserver/sched_cmd.h> -+#include <linux/vserver/debug_cmd.h> -+#include <linux/vserver/inode_cmd.h> -+#include <linux/vserver/dlimit_cmd.h> -+#include <linux/vserver/signal_cmd.h> -+#include <linux/vserver/namespace_cmd.h> -+ -+#include <linux/vserver/legacy.h> -+#include <linux/vserver/inode.h> -+#include <linux/vserver/dlimit.h> -+ -+ -+#ifdef CONFIG_COMPAT -+#define __COMPAT(name, id, data, compat) \ -+ (compat) ? name ## _x32 (id, data) : name (id, data) -+#else -+#define __COMPAT(name, id, data, compat) \ -+ name (id, data) -+#endif -+ -+ -+static inline -+long do_vserver(uint32_t cmd, uint32_t id, void __user *data, int compat) -+{ -+ vxdprintk(VXD_CBIT(switch, 0), -+ "vc: VCMD_%02d_%d[%d], %d,%p,%d", -+ VC_CATEGORY(cmd), VC_COMMAND(cmd), -+ VC_VERSION(cmd), id, data, compat); -+ -+#ifdef CONFIG_VSERVER_LEGACY -+ if (!capable(CAP_CONTEXT) && -+ /* dirty hack for capremove */ -+ !(cmd==VCMD_new_s_context && id==-2)) -+ return -EPERM; -+#else -+ if (!capable(CAP_CONTEXT)) -+ return -EPERM; -+#endif -+ -+ switch (cmd) { -+ case VCMD_get_version: -+ return vc_get_version(id); -+ -+ case VCMD_dump_history: -+#ifdef CONFIG_VSERVER_HISTORY -+ return vc_dump_history(id); -+#else -+ return -ENOSYS; -+#endif -+ -+#ifdef CONFIG_VSERVER_LEGACY -+ case VCMD_new_s_context: -+ return vc_new_s_context(id, data); -+#endif -+#ifdef CONFIG_VSERVER_LEGACYNET -+ case VCMD_set_ipv4root: -+ return vc_set_ipv4root(id, data); -+#endif -+ -+ case VCMD_task_xid: -+ return vc_task_xid(id, data); -+ case VCMD_vx_info: -+ return vc_vx_info(id, data); -+ -+ case VCMD_task_nid: -+ return vc_task_nid(id, data); -+ case VCMD_nx_info: -+ return vc_nx_info(id, data); -+ -+ case VCMD_set_namespace_v0: -+ return vc_set_namespace(-1, data); -+ case VCMD_set_namespace: -+ return vc_set_namespace(id, data); -+ } -+ -+ /* those are allowed while in setup too */ -+ if (!vx_check(0, VX_ADMIN|VX_WATCH) && -+ !vx_flags(VXF_STATE_SETUP,0)) -+ return -EPERM; -+ -+#ifdef CONFIG_VSERVER_LEGACY -+ switch (cmd) { -+ case VCMD_set_cflags: -+ case VCMD_set_ccaps: -+ if (vx_check(0, VX_WATCH)) -+ return 0; -+ } -+#endif -+ -+ switch (cmd) { -+#ifdef CONFIG_IA32_EMULATION -+ case VCMD_get_rlimit: -+ return __COMPAT(vc_get_rlimit, id, data, compat); -+ case VCMD_set_rlimit: -+ return __COMPAT(vc_set_rlimit, id, data, compat); -+#else -+ case VCMD_get_rlimit: -+ return vc_get_rlimit(id, data); -+ case VCMD_set_rlimit: -+ return vc_set_rlimit(id, data); -+#endif -+ case VCMD_get_rlimit_mask: -+ return vc_get_rlimit_mask(id, data); -+ -+ case VCMD_get_vhi_name: -+ return vc_get_vhi_name(id, data); -+ case VCMD_set_vhi_name: -+ return vc_set_vhi_name(id, data); -+ -+ case VCMD_set_cflags: -+ return vc_set_cflags(id, data); -+ case VCMD_get_cflags: -+ return vc_get_cflags(id, data); -+ -+ case VCMD_set_ccaps: -+ return vc_set_ccaps(id, data); -+ case VCMD_get_ccaps: -+ return vc_get_ccaps(id, data); -+ -+ case VCMD_set_nflags: -+ return vc_set_nflags(id, data); -+ case VCMD_get_nflags: -+ return vc_get_nflags(id, data); -+ -+ case VCMD_set_ncaps: -+ return vc_set_ncaps(id, data); -+ case VCMD_get_ncaps: -+ return vc_get_ncaps(id, data); -+ -+ case VCMD_set_sched_v2: -+ return vc_set_sched_v2(id, data); -+ /* this is version 3 */ -+ case VCMD_set_sched: -+ return vc_set_sched(id, data); -+ -+ case VCMD_add_dlimit: -+ return __COMPAT(vc_add_dlimit, id, data, compat); -+ case VCMD_rem_dlimit: -+ return __COMPAT(vc_rem_dlimit, id, data, compat); -+ case VCMD_set_dlimit: -+ return __COMPAT(vc_set_dlimit, id, data, compat); -+ case VCMD_get_dlimit: -+ return __COMPAT(vc_get_dlimit, id, data, compat); -+ } -+ -+ /* below here only with VX_ADMIN */ -+ if (!vx_check(0, VX_ADMIN|VX_WATCH)) -+ return -EPERM; -+ -+ switch (cmd) { -+ case VCMD_ctx_kill: -+ return vc_ctx_kill(id, data); -+ -+ case VCMD_wait_exit: -+ return vc_wait_exit(id, data); -+ -+ case VCMD_create_context: -+#ifdef CONFIG_VSERVER_LEGACY -+ return vc_ctx_create(id, NULL); -+#else -+ return -ENOSYS; -+#endif -+ -+ case VCMD_get_iattr: -+ return __COMPAT(vc_get_iattr, id, data, compat); -+ case VCMD_set_iattr: -+ return __COMPAT(vc_set_iattr, id, data, compat); -+ -+ case VCMD_enter_namespace: -+ return vc_enter_namespace(id, data); -+ -+ case VCMD_ctx_create_v0: -+#ifdef CONFIG_VSERVER_LEGACY -+ if (id == 1) { -+ current->xid = 1; -+ return 1; -+ } -+#endif -+ return vc_ctx_create(id, NULL); -+ case VCMD_ctx_create: -+ return vc_ctx_create(id, data); -+ case VCMD_ctx_migrate_v0: -+ return vc_ctx_migrate(id, NULL); -+ case VCMD_ctx_migrate: -+ return vc_ctx_migrate(id, data); -+ -+ case VCMD_net_create_v0: -+ return vc_net_create(id, NULL); -+ case VCMD_net_create: -+ return vc_net_create(id, data); -+ case VCMD_net_migrate: -+ return vc_net_migrate(id, data); -+ case VCMD_net_add: -+ return vc_net_add(id, data); -+ case VCMD_net_remove: -+ return vc_net_remove(id, data); -+ -+ } -+ return -ENOSYS; -+} -+ -+asmlinkage long -+sys_vserver(uint32_t cmd, uint32_t id, void __user *data) -+{ -+ long ret = do_vserver(cmd, id, data, 0); -+ -+ vxdprintk(VXD_CBIT(switch, 1), -+ "vc: VCMD_%02d_%d[%d] = %08lx(%ld)", -+ VC_CATEGORY(cmd), VC_COMMAND(cmd), -+ VC_VERSION(cmd), ret, ret); -+ return ret; -+} -+ -+#ifdef CONFIG_COMPAT -+ -+asmlinkage long -+sys32_vserver(uint32_t cmd, uint32_t id, void __user *data) -+{ -+ long ret = do_vserver(cmd, id, data, 1); -+ -+ vxdprintk(VXD_CBIT(switch, 1), -+ "vc: VCMD_%02d_%d[%d] = %08lx(%ld)", -+ VC_CATEGORY(cmd), VC_COMMAND(cmd), -+ VC_VERSION(cmd), ret, ret); -+ return ret; -+} -+ -+#endif /* CONFIG_COMPAT */ -Index: linux-2.6.18/kernel/vserver/sysctl.c -=================================================================== ---- /dev/null -+++ linux-2.6.18/kernel/vserver/sysctl.c -@@ -0,0 +1,227 @@ -+/* -+ * kernel/vserver/sysctl.c -+ * -+ * Virtual Context Support -+ * -+ * Copyright (C) 2004-2005 Herbert Pötzl -+ * -+ * V0.01 basic structure -+ * -+ */ -+ -+#include <linux/errno.h> -+#include <linux/module.h> -+#include <linux/types.h> -+#include <linux/ctype.h> -+#include <linux/sysctl.h> -+#include <linux/parser.h> -+#include <linux/fs.h> -+ -+#include <asm/uaccess.h> -+#include <asm/unistd.h> -+ -+ -+#define CTL_VSERVER 4242 /* unused? */ -+ -+enum { -+ CTL_DEBUG_ERROR = 0, -+ CTL_DEBUG_SWITCH = 1, -+ CTL_DEBUG_XID, -+ CTL_DEBUG_NID, -+ CTL_DEBUG_NET, -+ CTL_DEBUG_LIMIT, -+ CTL_DEBUG_CRES, -+ CTL_DEBUG_DLIM, -+ CTL_DEBUG_CVIRT, -+ CTL_DEBUG_MISC, -+}; -+ -+ -+unsigned int vx_debug_switch = 0; -+unsigned int vx_debug_xid = 0; -+unsigned int vx_debug_nid = 0; -+unsigned int vx_debug_net = 0; -+unsigned int vx_debug_limit = 0; -+unsigned int vx_debug_cres = 0; -+unsigned int vx_debug_dlim = 0; -+unsigned int vx_debug_cvirt = 0; -+unsigned int vx_debug_misc = 0; -+ -+ -+static struct ctl_table_header *vserver_table_header; -+static ctl_table vserver_table[]; -+ -+ -+void vserver_register_sysctl(void) -+{ -+ if (!vserver_table_header) { -+ vserver_table_header = register_sysctl_table(vserver_table, 1); -+ } -+ -+} -+ -+void vserver_unregister_sysctl(void) -+{ -+ if (vserver_table_header) { -+ unregister_sysctl_table(vserver_table_header); -+ vserver_table_header = NULL; -+ } -+} -+ -+ -+static int proc_dodebug(ctl_table *table, int write, -+ struct file *filp, void __user *buffer, size_t *lenp, loff_t *ppos) -+{ -+ char tmpbuf[20], *p, c; -+ unsigned int value; -+ size_t left, len; -+ -+ if ((*ppos && !write) || !*lenp) { -+ *lenp = 0; -+ return 0; -+ } -+ -+ left = *lenp; -+ -+ if (write) { -+ if (!access_ok(VERIFY_READ, buffer, left)) -+ return -EFAULT; -+ p = (char *) buffer; -+ while (left && __get_user(c, p) >= 0 && isspace(c)) -+ left--, p++; -+ if (!left) -+ goto done; -+ -+ if (left > sizeof(tmpbuf) - 1) -+ return -EINVAL; -+ if (copy_from_user(tmpbuf, p, left)) -+ return -EFAULT; -+ tmpbuf[left] = '\0'; -+ -+ for (p = tmpbuf, value = 0; '0' <= *p && *p <= '9'; p++, left--) -+ value = 10 * value + (*p - '0'); -+ if (*p && !isspace(*p)) -+ return -EINVAL; -+ while (left && isspace(*p)) -+ left--, p++; -+ *(unsigned int *) table->data = value; -+ } else { -+ if (!access_ok(VERIFY_WRITE, buffer, left)) -+ return -EFAULT; -+ len = sprintf(tmpbuf, "%d", *(unsigned int *) table->data); -+ if (len > left) -+ len = left; -+ if (__copy_to_user(buffer, tmpbuf, len)) -+ return -EFAULT; -+ if ((left -= len) > 0) { -+ if (put_user('\n', (char *)buffer + len)) -+ return -EFAULT; -+ left--; -+ } -+ } -+ -+done: -+ *lenp -= left; -+ *ppos += *lenp; -+ return 0; -+} -+ -+ -+ -+static ctl_table debug_table[] = { -+ { -+ .ctl_name = CTL_DEBUG_SWITCH, -+ .procname = "debug_switch", -+ .data = &vx_debug_switch, -+ .maxlen = sizeof(int), -+ .mode = 0644, -+ .proc_handler = &proc_dodebug -+ }, -+ { -+ .ctl_name = CTL_DEBUG_XID, -+ .procname = "debug_xid", -+ .data = &vx_debug_xid, -+ .maxlen = sizeof(int), -+ .mode = 0644, -+ .proc_handler = &proc_dodebug -+ }, -+ { -+ .ctl_name = CTL_DEBUG_NID, -+ .procname = "debug_nid", -+ .data = &vx_debug_nid, -+ .maxlen = sizeof(int), -+ .mode = 0644, -+ .proc_handler = &proc_dodebug -+ }, -+ { -+ .ctl_name = CTL_DEBUG_NET, -+ .procname = "debug_net", -+ .data = &vx_debug_net, -+ .maxlen = sizeof(int), -+ .mode = 0644, -+ .proc_handler = &proc_dodebug -+ }, -+ { -+ .ctl_name = CTL_DEBUG_LIMIT, -+ .procname = "debug_limit", -+ .data = &vx_debug_limit, -+ .maxlen = sizeof(int), -+ .mode = 0644, -+ .proc_handler = &proc_dodebug -+ }, -+ { -+ .ctl_name = CTL_DEBUG_CRES, -+ .procname = "debug_cres", -+ .data = &vx_debug_cres, -+ .maxlen = sizeof(int), -+ .mode = 0644, -+ .proc_handler = &proc_dodebug -+ }, -+ { -+ .ctl_name = CTL_DEBUG_DLIM, -+ .procname = "debug_dlim", -+ .data = &vx_debug_dlim, -+ .maxlen = sizeof(int), -+ .mode = 0644, -+ .proc_handler = &proc_dodebug -+ }, -+ { -+ .ctl_name = CTL_DEBUG_CVIRT, -+ .procname = "debug_cvirt", -+ .data = &vx_debug_cvirt, -+ .maxlen = sizeof(int), -+ .mode = 0644, -+ .proc_handler = &proc_dodebug -+ }, -+ { -+ .ctl_name = CTL_DEBUG_MISC, -+ .procname = "debug_misc", -+ .data = &vx_debug_misc, -+ .maxlen = sizeof(int), -+ .mode = 0644, -+ .proc_handler = &proc_dodebug -+ }, -+ { .ctl_name = 0 } -+}; -+ -+static ctl_table vserver_table[] = { -+ { -+ .ctl_name = CTL_VSERVER, -+ .procname = "vserver", -+ .mode = 0555, -+ .child = debug_table -+ }, -+ { .ctl_name = 0 } -+}; -+ -+ -+EXPORT_SYMBOL_GPL(vx_debug_switch); -+EXPORT_SYMBOL_GPL(vx_debug_xid); -+EXPORT_SYMBOL_GPL(vx_debug_nid); -+EXPORT_SYMBOL_GPL(vx_debug_net); -+EXPORT_SYMBOL_GPL(vx_debug_limit); -+EXPORT_SYMBOL_GPL(vx_debug_cres); -+EXPORT_SYMBOL_GPL(vx_debug_dlim); -+EXPORT_SYMBOL_GPL(vx_debug_cvirt); -+EXPORT_SYMBOL_GPL(vx_debug_misc); -+ -Index: linux-2.6.18/kernel/vserver/vci_config.h -=================================================================== ---- /dev/null -+++ linux-2.6.18/kernel/vserver/vci_config.h -@@ -0,0 +1,70 @@ -+ -+enum { -+ VCI_KCBIT_LEGACY = 1, -+ VCI_KCBIT_LEGACYNET, -+ VCI_KCBIT_NGNET, -+ -+ VCI_KCBIT_PROC_SECURE, -+ VCI_KCBIT_HARDCPU, -+ VCI_KCBIT_HARDCPU_IDLE, -+ -+ VCI_KCBIT_LEGACY_VERSION = 15, -+ -+ VCI_KCBIT_DEBUG = 16, -+ VCI_KCBIT_HISTORY = 20, -+ VCI_KCBIT_TAGXID = 24, -+}; -+ -+ -+static inline uint32_t vci_kernel_config(void) -+{ -+ return -+ /* various legacy options */ -+#ifdef CONFIG_VSERVER_LEGACY -+ (1 << VCI_KCBIT_LEGACY) | -+#endif -+#ifdef CONFIG_VSERVER_LEGACYNET -+ (1 << VCI_KCBIT_LEGACYNET) | -+#endif -+#ifdef CONFIG_VSERVER_LEGACY_VERSION -+ (1 << VCI_KCBIT_LEGACY_VERSION) | -+#endif -+ -+ /* configured features */ -+#ifdef CONFIG_VSERVER_PROC_SECURE -+ (1 << VCI_KCBIT_PROC_SECURE) | -+#endif -+#ifdef CONFIG_VSERVER_HARDCPU -+ (1 << VCI_KCBIT_HARDCPU) | -+#endif -+#ifdef CONFIG_VSERVER_HARDCPU_IDLE -+ (1 << VCI_KCBIT_HARDCPU_IDLE) | -+#endif -+ -+ /* debug options */ -+#ifdef CONFIG_VSERVER_DEBUG -+ (1 << VCI_KCBIT_DEBUG) | -+#endif -+#ifdef CONFIG_VSERVER_HISTORY -+ (1 << VCI_KCBIT_HISTORY) | -+#endif -+ -+ /* inode xid tagging */ -+#if defined(CONFIG_INOXID_NONE) -+ (0 << VCI_KCBIT_TAGXID) | -+#elif defined(CONFIG_INOXID_UID16) -+ (1 << VCI_KCBIT_TAGXID) | -+#elif defined(CONFIG_INOXID_GID16) -+ (2 << VCI_KCBIT_TAGXID) | -+#elif defined(CONFIG_INOXID_UGID24) -+ (3 << VCI_KCBIT_TAGXID) | -+#elif defined(CONFIG_INOXID_INTERN) -+ (4 << VCI_KCBIT_TAGXID) | -+#elif defined(CONFIG_INOXID_RUNTIME) -+ (5 << VCI_KCBIT_TAGXID) | -+#else -+ (7 << VCI_KCBIT_TAGXID) | -+#endif -+ 0; -+} -+ -Index: linux-2.6.18/mm/filemap_xip.c -=================================================================== ---- linux-2.6.18.orig/mm/filemap_xip.c -+++ linux-2.6.18/mm/filemap_xip.c -@@ -13,6 +13,7 @@ - #include <linux/module.h> - #include <linux/uio.h> - #include <linux/rmap.h> -+#include <linux/vs_memory.h> - #include <asm/tlbflush.h> - #include "filemap.h" - -Index: linux-2.6.18/mm/fremap.c -=================================================================== ---- linux-2.6.18.orig/mm/fremap.c -+++ linux-2.6.18/mm/fremap.c -@@ -15,6 +15,7 @@ - #include <linux/rmap.h> - #include <linux/module.h> - #include <linux/syscalls.h> -+#include <linux/vs_memory.h> - - #include <asm/mmu_context.h> - #include <asm/cacheflush.h> -@@ -74,6 +75,8 @@ int install_page(struct mm_struct *mm, s - err = -ENOMEM; - if (page_mapcount(page) > INT_MAX/2) - goto unlock; -+ if (!vx_rsspages_avail(mm, 1)) -+ goto unlock; - - if (pte_none(*pte) || !zap_pte(mm, vma, addr, pte)) - inc_mm_counter(mm, file_rss); -Index: linux-2.6.18/mm/hugetlb.c -=================================================================== ---- linux-2.6.18.orig/mm/hugetlb.c -+++ linux-2.6.18/mm/hugetlb.c -@@ -19,6 +19,7 @@ - #include <asm/pgtable.h> - - #include <linux/hugetlb.h> -+#include <linux/vs_memory.h> - #include "internal.h" - - const unsigned long hugetlb_zero = 0, hugetlb_infinity = ~0UL; -Index: linux-2.6.18/mm/memory.c -=================================================================== ---- linux-2.6.18.orig/mm/memory.c -+++ linux-2.6.18/mm/memory.c -@@ -1966,6 +1966,11 @@ static int do_swap_page(struct mm_struct - grab_swap_token(); - } - -+ if (!vx_rsspages_avail(mm, 1)) { -+ ret = VM_FAULT_OOM; -+ goto out; -+ } -+ - delayacct_clear_flag(DELAYACCT_PF_SWAPIN); - mark_page_accessed(page); - lock_page(page); -@@ -2038,6 +2043,8 @@ static int do_anonymous_page(struct mm_s - /* Allocate our own private page. */ - pte_unmap(page_table); - -+ if (!vx_rsspages_avail(mm, 1)) -+ goto oom; - if (unlikely(anon_vma_prepare(vma))) - goto oom; - page = alloc_zeroed_user_highpage(vma, address); -@@ -2116,6 +2123,9 @@ static int do_no_page(struct mm_struct * - smp_rmb(); /* serializes i_size against truncate_count */ - } - retry: -+ /* FIXME: is that check useful here? */ -+ if (!vx_rsspages_avail(mm, 1)) -+ return VM_FAULT_OOM; - new_page = vma->vm_ops->nopage(vma, address & PAGE_MASK, &ret); - /* - * No smp_rmb is needed here as long as there's a full -Index: linux-2.6.18/mm/mlock.c -=================================================================== ---- linux-2.6.18.orig/mm/mlock.c -+++ linux-2.6.18/mm/mlock.c -@@ -10,6 +10,7 @@ - #include <linux/mm.h> - #include <linux/mempolicy.h> - #include <linux/syscalls.h> -+#include <linux/vs_memory.h> - - - static int mlock_fixup(struct vm_area_struct *vma, struct vm_area_struct **prev, -@@ -65,7 +66,7 @@ success: - ret = make_pages_present(start, end); - } - -- vma->vm_mm->locked_vm -= pages; -+ vx_vmlocked_sub(vma->vm_mm, pages); - out: - if (ret == -ENOMEM) - ret = -EAGAIN; -@@ -123,7 +124,7 @@ static int do_mlock(unsigned long start, - - asmlinkage long sys_mlock(unsigned long start, size_t len) - { -- unsigned long locked; -+ unsigned long locked, grow; - unsigned long lock_limit; - int error = -ENOMEM; - -@@ -134,8 +135,10 @@ asmlinkage long sys_mlock(unsigned long - len = PAGE_ALIGN(len + (start & ~PAGE_MASK)); - start &= PAGE_MASK; - -- locked = len >> PAGE_SHIFT; -- locked += current->mm->locked_vm; -+ grow = len >> PAGE_SHIFT; -+ if (!vx_vmlocked_avail(current->mm, grow)) -+ goto out; -+ locked = current->mm->locked_vm + grow; - - lock_limit = current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur; - lock_limit >>= PAGE_SHIFT; -@@ -143,6 +146,7 @@ asmlinkage long sys_mlock(unsigned long - /* check against resource limits */ - if ((locked <= lock_limit) || capable(CAP_IPC_LOCK)) - error = do_mlock(start, len, 1); -+out: - up_write(¤t->mm->mmap_sem); - return error; - } -@@ -202,6 +206,8 @@ asmlinkage long sys_mlockall(int flags) - lock_limit >>= PAGE_SHIFT; - - ret = -ENOMEM; -+ if (!vx_vmlocked_avail(current->mm, current->mm->total_vm)) -+ goto out; - if (!(flags & MCL_CURRENT) || (current->mm->total_vm <= lock_limit) || - capable(CAP_IPC_LOCK)) - ret = do_mlockall(flags); -Index: linux-2.6.18/mm/mmap.c -=================================================================== ---- linux-2.6.18.orig/mm/mmap.c -+++ linux-2.6.18/mm/mmap.c -@@ -1137,10 +1137,10 @@ munmap_back: - kmem_cache_free(vm_area_cachep, vma); - } - out: -- mm->total_vm += len >> PAGE_SHIFT; -+ vx_vmpages_add(mm, len >> PAGE_SHIFT); - vm_stat_account(mm, vm_flags, file, len >> PAGE_SHIFT); - if (vm_flags & VM_LOCKED) { -- mm->locked_vm += len >> PAGE_SHIFT; -+ vx_vmlocked_add(mm, len >> PAGE_SHIFT); - make_pages_present(addr, addr + len); - } - if (flags & MAP_POPULATE) { -@@ -1500,9 +1500,9 @@ static int acct_stack_growth(struct vm_a - return -ENOMEM; - - /* Ok, everything looks good - let it rip */ -- mm->total_vm += grow; -+ vx_vmpages_add(mm, grow); - if (vma->vm_flags & VM_LOCKED) -- mm->locked_vm += grow; -+ vx_vmlocked_add(mm, grow); - vm_stat_account(mm, vma->vm_flags, vma->vm_file, grow); - return 0; - } -@@ -1655,9 +1655,9 @@ static void remove_vma_list(struct mm_st - do { - long nrpages = vma_pages(vma); - -- mm->total_vm -= nrpages; -+ vx_vmpages_sub(mm, nrpages); - if (vma->vm_flags & VM_LOCKED) -- mm->locked_vm -= nrpages; -+ vx_vmlocked_sub(mm, nrpages); - vm_stat_account(mm, vma->vm_flags, vma->vm_file, -nrpages); - vma = remove_vma(vma); - } while (vma); -@@ -1893,6 +1893,8 @@ unsigned long do_brk(unsigned long addr, - lock_limit >>= PAGE_SHIFT; - if (locked > lock_limit && !capable(CAP_IPC_LOCK)) - return -EAGAIN; -+ if (!vx_vmlocked_avail(mm, len >> PAGE_SHIFT)) -+ return -ENOMEM; - } - - /* -@@ -1919,7 +1921,8 @@ unsigned long do_brk(unsigned long addr, - if (mm->map_count > sysctl_max_map_count) - return -ENOMEM; - -- if (security_vm_enough_memory(len >> PAGE_SHIFT)) -+ if (security_vm_enough_memory(len >> PAGE_SHIFT) || -+ !vx_vmpages_avail(mm, len >> PAGE_SHIFT)) - return -ENOMEM; - - /* Can we just expand an old private anonymous mapping? */ -@@ -1945,9 +1948,9 @@ unsigned long do_brk(unsigned long addr, - (VM_READ|VM_WRITE|VM_EXEC|VM_SHARED)]; - vma_link(mm, vma, prev, rb_link, rb_parent); - out: -- mm->total_vm += len >> PAGE_SHIFT; -+ vx_vmpages_add(mm, len >> PAGE_SHIFT); - if (flags & VM_LOCKED) { -- mm->locked_vm += len >> PAGE_SHIFT; -+ vx_vmlocked_add(mm, len >> PAGE_SHIFT); - make_pages_present(addr, addr + len); - } - return addr; -@@ -1973,6 +1976,11 @@ void exit_mmap(struct mm_struct *mm) - free_pgtables(&tlb, vma, FIRST_USER_ADDRESS, 0); - tlb_finish_mmu(tlb, 0, end); - -+ set_mm_counter(mm, file_rss, 0); -+ set_mm_counter(mm, anon_rss, 0); -+ vx_vmpages_sub(mm, mm->total_vm); -+ vx_vmlocked_sub(mm, mm->locked_vm); -+ - /* - * Walk the list again, actually closing and freeing it, - * with preemption enabled, without holding any MM locks. -@@ -2012,7 +2020,8 @@ int insert_vm_struct(struct mm_struct * - if (__vma && __vma->vm_start < vma->vm_end) - return -ENOMEM; - if ((vma->vm_flags & VM_ACCOUNT) && -- security_vm_enough_memory(vma_pages(vma))) -+ (security_vm_enough_memory(vma_pages(vma)) || -+ !vx_vmpages_avail(mm, vma_pages(vma)))) - return -ENOMEM; - vma_link(mm, vma, prev, rb_link, rb_parent); - return 0; -@@ -2086,5 +2095,7 @@ int may_expand_vm(struct mm_struct *mm, - - if (cur + npages > lim) - return 0; -+ if (!vx_vmpages_avail(mm, npages)) -+ return 0; - return 1; - } -Index: linux-2.6.18/mm/mremap.c -=================================================================== ---- linux-2.6.18.orig/mm/mremap.c -+++ linux-2.6.18/mm/mremap.c -@@ -18,6 +18,7 @@ - #include <linux/highmem.h> - #include <linux/security.h> - #include <linux/syscalls.h> -+#include <linux/vs_memory.h> - - #include <asm/uaccess.h> - #include <asm/cacheflush.h> -@@ -211,7 +212,7 @@ static unsigned long move_vma(struct vm_ - * If this were a serious issue, we'd add a flag to do_munmap(). - */ - hiwater_vm = mm->hiwater_vm; -- mm->total_vm += new_len >> PAGE_SHIFT; -+ vx_vmpages_add(mm, new_len >> PAGE_SHIFT); - vm_stat_account(mm, vma->vm_flags, vma->vm_file, new_len>>PAGE_SHIFT); - - if (do_munmap(mm, old_addr, old_len) < 0) { -@@ -229,7 +230,7 @@ static unsigned long move_vma(struct vm_ - } - - if (vm_flags & VM_LOCKED) { -- mm->locked_vm += new_len >> PAGE_SHIFT; -+ vx_vmlocked_add(mm, new_len >> PAGE_SHIFT); - if (new_len > old_len) - make_pages_present(new_addr + old_len, - new_addr + new_len); -@@ -336,6 +337,9 @@ unsigned long do_mremap(unsigned long ad - ret = -EAGAIN; - if (locked > lock_limit && !capable(CAP_IPC_LOCK)) - goto out; -+ if (!vx_vmlocked_avail(current->mm, -+ (new_len - old_len) >> PAGE_SHIFT)) -+ goto out; - } - if (!may_expand_vm(mm, (new_len - old_len) >> PAGE_SHIFT)) { - ret = -ENOMEM; -@@ -364,10 +368,10 @@ unsigned long do_mremap(unsigned long ad - vma_adjust(vma, vma->vm_start, - addr + new_len, vma->vm_pgoff, NULL); - -- mm->total_vm += pages; -+ vx_vmpages_add(mm, pages); - vm_stat_account(mm, vma->vm_flags, vma->vm_file, pages); - if (vma->vm_flags & VM_LOCKED) { -- mm->locked_vm += pages; -+ vx_vmlocked_add(mm, pages); - make_pages_present(addr + old_len, - addr + new_len); - } -Index: linux-2.6.18/mm/nommu.c -=================================================================== ---- linux-2.6.18.orig/mm/nommu.c -+++ linux-2.6.18/mm/nommu.c -@@ -820,7 +820,7 @@ unsigned long do_mmap_pgoff(struct file - realalloc += kobjsize(vma); - askedalloc += sizeof(*vma); - -- current->mm->total_vm += len >> PAGE_SHIFT; -+ vx_vmpages_add(current->mm, len >> PAGE_SHIFT); - - add_nommu_vma(vma); - -@@ -937,7 +937,7 @@ int do_munmap(struct mm_struct *mm, unsi - kfree(vml); - - update_hiwater_vm(mm); -- mm->total_vm -= len >> PAGE_SHIFT; -+ vx_vmpages_sub(mm, len >> PAGE_SHIFT); - - #ifdef DEBUG - show_process_blocks(); -@@ -956,7 +956,7 @@ void exit_mmap(struct mm_struct * mm) - printk("Exit_mmap:\n"); - #endif - -- mm->total_vm = 0; -+ vx_vmpages_sub(mm, mm->total_vm); - - while ((tmp = mm->context.vmlist)) { - mm->context.vmlist = tmp->next; -Index: linux-2.6.18/mm/oom_kill.c -=================================================================== ---- linux-2.6.18.orig/mm/oom_kill.c -+++ linux-2.6.18/mm/oom_kill.c -@@ -67,6 +67,8 @@ unsigned long badness(struct task_struct - */ - task_unlock(p); - -+ /* FIXME: add vserver badness ;) */ -+ - /* - * Processes which fork a lot of child processes are likely - * a good choice. We add half the vmsize of the children if they -Index: linux-2.6.18/mm/page_alloc.c -=================================================================== ---- linux-2.6.18.orig/mm/page_alloc.c -+++ linux-2.6.18/mm/page_alloc.c -@@ -1223,6 +1223,8 @@ void si_meminfo(struct sysinfo *val) - val->freehigh = 0; - #endif - val->mem_unit = PAGE_SIZE; -+ if (vx_flags(VXF_VIRT_MEM, 0)) -+ vx_vsi_meminfo(val); - } - - EXPORT_SYMBOL(si_meminfo); -@@ -1237,6 +1239,8 @@ void si_meminfo_node(struct sysinfo *val - val->totalhigh = pgdat->node_zones[ZONE_HIGHMEM].present_pages; - val->freehigh = pgdat->node_zones[ZONE_HIGHMEM].free_pages; - val->mem_unit = PAGE_SIZE; -+ if (vx_flags(VXF_VIRT_MEM, 0)) -+ vx_vsi_meminfo(val); - } - #endif - -Index: linux-2.6.18/mm/rmap.c -=================================================================== ---- linux-2.6.18.orig/mm/rmap.c -+++ linux-2.6.18/mm/rmap.c -@@ -53,6 +53,7 @@ - #include <linux/rmap.h> - #include <linux/rcupdate.h> - #include <linux/module.h> -+#include <linux/vs_memory.h> - - #include <asm/tlbflush.h> - -Index: linux-2.6.18/mm/shmem.c -=================================================================== ---- linux-2.6.18.orig/mm/shmem.c -+++ linux-2.6.18/mm/shmem.c -@@ -51,7 +51,6 @@ - #include <asm/pgtable.h> - - /* This magic number is used in glibc for posix shared memory */ --#define TMPFS_MAGIC 0x01021994 - - #define ENTRIES_PER_PAGE (PAGE_CACHE_SIZE/sizeof(unsigned long)) - #define ENTRIES_PER_PAGEPAGE (ENTRIES_PER_PAGE*ENTRIES_PER_PAGE) -@@ -1648,7 +1647,7 @@ static int shmem_statfs(struct dentry *d - { - struct shmem_sb_info *sbinfo = SHMEM_SB(dentry->d_sb); - -- buf->f_type = TMPFS_MAGIC; -+ buf->f_type = TMPFS_SUPER_MAGIC; - buf->f_bsize = PAGE_CACHE_SIZE; - buf->f_namelen = NAME_MAX; - spin_lock(&sbinfo->stat_lock); -@@ -2091,7 +2090,7 @@ static int shmem_fill_super(struct super - sb->s_maxbytes = SHMEM_MAX_BYTES; - sb->s_blocksize = PAGE_CACHE_SIZE; - sb->s_blocksize_bits = PAGE_CACHE_SHIFT; -- sb->s_magic = TMPFS_MAGIC; -+ sb->s_magic = TMPFS_SUPER_MAGIC; - sb->s_op = &shmem_ops; - sb->s_time_gran = 1; - -Index: linux-2.6.18/mm/swapfile.c -=================================================================== ---- linux-2.6.18.orig/mm/swapfile.c -+++ linux-2.6.18/mm/swapfile.c -@@ -31,6 +31,7 @@ - #include <asm/pgtable.h> - #include <asm/tlbflush.h> - #include <linux/swapops.h> -+#include <linux/vs_memory.h> - - DEFINE_SPINLOCK(swap_lock); - unsigned int nr_swapfiles; -@@ -1667,6 +1668,8 @@ void si_swapinfo(struct sysinfo *val) - val->freeswap = nr_swap_pages + nr_to_be_unused; - val->totalswap = total_swap_pages + nr_to_be_unused; - spin_unlock(&swap_lock); -+ if (vx_flags(VXF_VIRT_MEM, 0)) -+ vx_vsi_swapinfo(val); - } - - /* -Index: linux-2.6.18/net/core/dev.c -=================================================================== ---- linux-2.6.18.orig/net/core/dev.c -+++ linux-2.6.18/net/core/dev.c -@@ -117,6 +117,7 @@ - #include <linux/dmaengine.h> - #include <linux/err.h> - #include <linux/ctype.h> -+#include <linux/vs_network.h> - - /* - * The list of packet types we will receive (as opposed to discard) -@@ -2049,6 +2050,9 @@ static int dev_ifconf(char __user *arg) - - total = 0; - for (dev = dev_base; dev; dev = dev->next) { -+ if (vx_flags(VXF_HIDE_NETIF, 0) && -+ !dev_in_nx_info(dev, current->nx_info)) -+ continue; - for (i = 0; i < NPROTO; i++) { - if (gifconf_list[i]) { - int done; -@@ -2109,6 +2113,10 @@ void dev_seq_stop(struct seq_file *seq, - - static void dev_seq_printf_stats(struct seq_file *seq, struct net_device *dev) - { -+ struct nx_info *nxi = current->nx_info; -+ -+ if (vx_flags(VXF_HIDE_NETIF, 0) && !dev_in_nx_info(dev, nxi)) -+ return; - if (dev->get_stats) { - struct net_device_stats *stats = dev->get_stats(dev); - -Index: linux-2.6.18/net/core/rtnetlink.c -=================================================================== ---- linux-2.6.18.orig/net/core/rtnetlink.c -+++ linux-2.6.18/net/core/rtnetlink.c -@@ -322,6 +322,9 @@ static int rtnetlink_dump_ifinfo(struct - for (dev=dev_base, idx=0; dev; dev = dev->next, idx++) { - if (idx < s_idx) - continue; -+ if (vx_info_flags(skb->sk->sk_vx_info, VXF_HIDE_NETIF, 0) && -+ !dev_in_nx_info(dev, skb->sk->sk_nx_info)) -+ continue; - if (rtnetlink_fill_ifinfo(skb, dev, RTM_NEWLINK, - NETLINK_CB(cb->skb).pid, - cb->nlh->nlmsg_seq, 0, -@@ -612,6 +615,9 @@ void rtmsg_ifinfo(int type, struct net_d - sizeof(struct rtnl_link_ifmap) + - sizeof(struct rtnl_link_stats) + 128); - -+ if (vx_flags(VXF_HIDE_NETIF, 0) && -+ !dev_in_nx_info(dev, current->nx_info)) -+ return; - skb = alloc_skb(size, GFP_KERNEL); - if (!skb) - return; -Index: linux-2.6.18/net/core/sock.c -=================================================================== ---- linux-2.6.18.orig/net/core/sock.c -+++ linux-2.6.18/net/core/sock.c -@@ -124,6 +124,9 @@ - #include <linux/ipsec.h> - - #include <linux/filter.h> -+#include <linux/vs_socket.h> -+#include <linux/vs_limit.h> -+#include <linux/vs_context.h> - - #ifdef CONFIG_INET - #include <net/tcp.h> -@@ -859,6 +862,8 @@ struct sock *sk_alloc(int family, gfp_t - sk->sk_prot = sk->sk_prot_creator = prot; - sock_lock_init(sk); - } -+ sock_vx_init(sk); -+ sock_nx_init(sk); - - if (security_sk_alloc(sk, family, priority)) - goto out_free; -@@ -897,6 +902,11 @@ void sk_free(struct sock *sk) - __FUNCTION__, atomic_read(&sk->sk_omem_alloc)); - - security_sk_free(sk); -+ vx_sock_dec(sk); -+ clr_vx_info(&sk->sk_vx_info); -+ sk->sk_xid = -1; -+ clr_nx_info(&sk->sk_nx_info); -+ sk->sk_nid = -1; - if (sk->sk_prot_creator->slab != NULL) - kmem_cache_free(sk->sk_prot_creator->slab, sk); - else -@@ -914,6 +924,8 @@ struct sock *sk_clone(const struct sock - memcpy(newsk, sk, sk->sk_prot->obj_size); - - /* SANITY */ -+ sock_vx_init(newsk); -+ sock_nx_init(newsk); - sk_node_init(&newsk->sk_node); - sock_lock_init(newsk); - bh_lock_sock(newsk); -@@ -959,6 +971,12 @@ struct sock *sk_clone(const struct sock - newsk->sk_priority = 0; - atomic_set(&newsk->sk_refcnt, 2); - -+ set_vx_info(&newsk->sk_vx_info, sk->sk_vx_info); -+ newsk->sk_xid = sk->sk_xid; -+ vx_sock_inc(newsk); -+ set_nx_info(&newsk->sk_nx_info, sk->sk_nx_info); -+ newsk->sk_nid = sk->sk_nid; -+ - /* - * Increment the counter in the same struct proto as the master - * sock (sk_refcnt_debug_inc uses newsk->sk_prot->socks, that -@@ -1528,6 +1546,11 @@ void sock_init_data(struct socket *sock, - sk->sk_stamp.tv_sec = -1L; - sk->sk_stamp.tv_usec = -1L; - -+ set_vx_info(&sk->sk_vx_info, current->vx_info); -+ sk->sk_xid = vx_current_xid(); -+ vx_sock_inc(sk); -+ set_nx_info(&sk->sk_nx_info, current->nx_info); -+ sk->sk_nid = nx_current_nid(); - atomic_set(&sk->sk_refcnt, 1); - } - -Index: linux-2.6.18/net/ipv4/af_inet.c -=================================================================== ---- linux-2.6.18.orig/net/ipv4/af_inet.c -+++ linux-2.6.18/net/ipv4/af_inet.c -@@ -115,6 +115,7 @@ - #ifdef CONFIG_IP_MROUTE - #include <linux/mroute.h> - #endif -+#include <linux/vs_limit.h> - - DEFINE_SNMP_STAT(struct linux_mib, net_statistics) __read_mostly; - -@@ -283,9 +284,11 @@ lookup_protocol: - } - - err = -EPERM; -+ if ((protocol == IPPROTO_ICMP) && vx_ccaps(VXC_RAW_ICMP)) -+ goto override; - if (answer->capability > 0 && !capable(answer->capability)) - goto out_rcu_unlock; -- -+override: - sock->ops = answer->ops; - answer_prot = answer->prot; - answer_no_check = answer->no_check; -@@ -402,6 +405,10 @@ int inet_bind(struct socket *sock, struc - unsigned short snum; - int chk_addr_ret; - int err; -+ __u32 s_addr; /* Address used for validation */ -+ __u32 s_addr1; /* Address used for socket */ -+ __u32 s_addr2; /* Broadcast address for the socket */ -+ struct nx_info *nxi = sk->sk_nx_info; - - /* If the socket has its own bind function then use it. (RAW) */ - if (sk->sk_prot->bind) { -@@ -412,7 +419,40 @@ int inet_bind(struct socket *sock, struc - if (addr_len < sizeof(struct sockaddr_in)) - goto out; - -- chk_addr_ret = inet_addr_type(addr->sin_addr.s_addr); -+ s_addr = addr->sin_addr.s_addr; -+ s_addr1 = s_addr; -+ s_addr2 = 0xffffffffl; -+ -+ vxdprintk(VXD_CBIT(net, 3), -+ "inet_bind(%p)* %p,%p;%lx %d.%d.%d.%d", -+ sk, sk->sk_nx_info, sk->sk_socket, -+ (sk->sk_socket?sk->sk_socket->flags:0), -+ VXD_QUAD(s_addr)); -+ if (nxi) { -+ __u32 v4_bcast = nxi->v4_bcast; -+ __u32 ipv4root = nxi->ipv4[0]; -+ int nbipv4 = nxi->nbipv4; -+ -+ if (s_addr == 0) { -+ /* bind to any for 1-n */ -+ s_addr = ipv4root; -+ s_addr1 = (nbipv4 > 1) ? 0 : s_addr; -+ s_addr2 = v4_bcast; -+ } else if (s_addr == IPI_LOOPBACK) { -+ /* rewrite localhost to ipv4root */ -+ s_addr = ipv4root; -+ s_addr1 = ipv4root; -+ } else if (s_addr != v4_bcast) { -+ /* normal address bind */ -+ if (!addr_in_nx_info(nxi, s_addr)) -+ return -EADDRNOTAVAIL; -+ } -+ } -+ chk_addr_ret = inet_addr_type(s_addr); -+ -+ vxdprintk(VXD_CBIT(net, 3), -+ "inet_bind(%p) %d.%d.%d.%d, %d.%d.%d.%d, %d.%d.%d.%d", -+ sk, VXD_QUAD(s_addr), VXD_QUAD(s_addr1), VXD_QUAD(s_addr2)); - - /* Not specified by any standard per-se, however it breaks too - * many applications when removed. It is unfortunate since -@@ -424,7 +464,7 @@ int inet_bind(struct socket *sock, struc - err = -EADDRNOTAVAIL; - if (!sysctl_ip_nonlocal_bind && - !inet->freebind && -- addr->sin_addr.s_addr != INADDR_ANY && -+ s_addr != INADDR_ANY && - chk_addr_ret != RTN_LOCAL && - chk_addr_ret != RTN_MULTICAST && - chk_addr_ret != RTN_BROADCAST) -@@ -449,7 +489,8 @@ int inet_bind(struct socket *sock, struc - if (sk->sk_state != TCP_CLOSE || inet->num) - goto out_release_sock; - -- inet->rcv_saddr = inet->saddr = addr->sin_addr.s_addr; -+ inet->rcv_saddr = inet->saddr = s_addr1; -+ inet->rcv_saddr2 = s_addr2; - if (chk_addr_ret == RTN_MULTICAST || chk_addr_ret == RTN_BROADCAST) - inet->saddr = 0; /* Use device */ - -Index: linux-2.6.18/net/ipv4/devinet.c -=================================================================== ---- linux-2.6.18.orig/net/ipv4/devinet.c -+++ linux-2.6.18/net/ipv4/devinet.c -@@ -606,6 +606,9 @@ int devinet_ioctl(unsigned int cmd, void - *colon = ':'; - - if ((in_dev = __in_dev_get_rtnl(dev)) != NULL) { -+ struct nx_info *nxi = current->nx_info; -+ int hide_netif = vx_flags(VXF_HIDE_NETIF, 0); -+ - if (tryaddrmatch) { - /* Matthias Andree */ - /* compare label and address (4.4BSD style) */ -@@ -614,6 +617,8 @@ int devinet_ioctl(unsigned int cmd, void - This is checked above. */ - for (ifap = &in_dev->ifa_list; (ifa = *ifap) != NULL; - ifap = &ifa->ifa_next) { -+ if (hide_netif && !ifa_in_nx_info(ifa, nxi)) -+ continue; - if (!strcmp(ifr.ifr_name, ifa->ifa_label) && - sin_orig.sin_addr.s_addr == - ifa->ifa_address) { -@@ -626,9 +631,12 @@ int devinet_ioctl(unsigned int cmd, void - comparing just the label */ - if (!ifa) { - for (ifap = &in_dev->ifa_list; (ifa = *ifap) != NULL; -- ifap = &ifa->ifa_next) -+ ifap = &ifa->ifa_next) { -+ if (hide_netif && !ifa_in_nx_info(ifa, nxi)) -+ continue; - if (!strcmp(ifr.ifr_name, ifa->ifa_label)) - break; -+ } - } - } - -@@ -779,6 +787,9 @@ static int inet_gifconf(struct net_devic - goto out; - - for (; ifa; ifa = ifa->ifa_next) { -+ if (vx_flags(VXF_HIDE_NETIF, 0) && -+ !ifa_in_nx_info(ifa, current->nx_info)) -+ continue; - if (!buf) { - done += sizeof(ifr); - continue; -@@ -1090,6 +1101,7 @@ static int inet_dump_ifaddr(struct sk_bu - struct net_device *dev; - struct in_device *in_dev; - struct in_ifaddr *ifa; -+ struct sock *sk = skb->sk; - int s_ip_idx, s_idx = cb->args[0]; - - s_ip_idx = ip_idx = cb->args[1]; -@@ -1107,6 +1119,9 @@ static int inet_dump_ifaddr(struct sk_bu - - for (ifa = in_dev->ifa_list, ip_idx = 0; ifa; - ifa = ifa->ifa_next, ip_idx++) { -+ if (sk && vx_info_flags(sk->sk_vx_info, VXF_HIDE_NETIF, 0) && -+ !ifa_in_nx_info(ifa, sk->sk_nx_info)) -+ continue; - if (ip_idx < s_ip_idx) - continue; - if (inet_fill_ifaddr(skb, ifa, NETLINK_CB(cb->skb).pid, -Index: linux-2.6.18/net/ipv4/fib_hash.c -=================================================================== ---- linux-2.6.18.orig/net/ipv4/fib_hash.c -+++ linux-2.6.18/net/ipv4/fib_hash.c -@@ -987,6 +987,8 @@ static unsigned fib_flag_trans(int type, - return flags; - } - -+extern int dev_in_nx_info(struct net_device *, struct nx_info *); -+ - /* - * This outputs /proc/net/route. - * -@@ -1017,7 +1019,8 @@ static int fib_seq_show(struct seq_file - prefix = f->fn_key; - mask = FZ_MASK(iter->zone); - flags = fib_flag_trans(fa->fa_type, mask, fi); -- if (fi) -+ if (fi && (!vx_flags(VXF_HIDE_NETIF, 0) || -+ dev_in_nx_info(fi->fib_dev, current->nx_info))) - snprintf(bf, sizeof(bf), - "%s\t%08X\t%08X\t%04X\t%d\t%u\t%d\t%08X\t%d\t%u\t%u", - fi->fib_dev ? fi->fib_dev->name : "*", prefix, -Index: linux-2.6.18/net/ipv4/inet_connection_sock.c -=================================================================== ---- linux-2.6.18.orig/net/ipv4/inet_connection_sock.c -+++ linux-2.6.18/net/ipv4/inet_connection_sock.c -@@ -39,7 +39,6 @@ int sysctl_local_port_range[2] = { 1024, - int inet_csk_bind_conflict(const struct sock *sk, - const struct inet_bind_bucket *tb) - { -- const u32 sk_rcv_saddr = inet_rcv_saddr(sk); - struct sock *sk2; - struct hlist_node *node; - int reuse = sk->sk_reuse; -@@ -52,9 +51,8 @@ int inet_csk_bind_conflict(const struct - sk->sk_bound_dev_if == sk2->sk_bound_dev_if)) { - if (!reuse || !sk2->sk_reuse || - sk2->sk_state == TCP_LISTEN) { -- const u32 sk2_rcv_saddr = inet_rcv_saddr(sk2); -- if (!sk2_rcv_saddr || !sk_rcv_saddr || -- sk2_rcv_saddr == sk_rcv_saddr) -+ if (nx_addr_conflict(sk->sk_nx_info, -+ inet_rcv_saddr(sk), sk2)) - break; - } - } -Index: linux-2.6.18/net/ipv4/inet_diag.c -=================================================================== ---- linux-2.6.18.orig/net/ipv4/inet_diag.c -+++ linux-2.6.18/net/ipv4/inet_diag.c -@@ -693,6 +693,8 @@ static int inet_diag_dump(struct sk_buff - sk_for_each(sk, node, &hashinfo->listening_hash[i]) { - struct inet_sock *inet = inet_sk(sk); - -+ if (!vx_check(sk->sk_xid, VX_IDENT|VX_WATCH)) -+ continue; - if (num < s_num) { - num++; - continue; -@@ -753,6 +755,8 @@ skip_listen_ht: - sk_for_each(sk, node, &head->chain) { - struct inet_sock *inet = inet_sk(sk); - -+ if (!vx_check(sk->sk_xid, VX_IDENT|VX_WATCH)) -+ continue; - if (num < s_num) - goto next_normal; - if (!(r->idiag_states & (1 << sk->sk_state))) -@@ -777,6 +781,8 @@ next_normal: - inet_twsk_for_each(tw, node, - &hashinfo->ehash[i + hashinfo->ehash_size].chain) { - -+ if (!vx_check(tw->tw_xid, VX_IDENT|VX_WATCH)) -+ continue; - if (num < s_num) - goto next_dying; - if (r->id.idiag_sport != tw->tw_sport && -Index: linux-2.6.18/net/ipv4/inet_hashtables.c -=================================================================== ---- linux-2.6.18.orig/net/ipv4/inet_hashtables.c -+++ linux-2.6.18/net/ipv4/inet_hashtables.c -@@ -138,11 +138,10 @@ struct sock *__inet_lookup_listener(cons - const __u32 rcv_saddr = inet->rcv_saddr; - int score = sk->sk_family == PF_INET ? 1 : 0; - -- if (rcv_saddr) { -- if (rcv_saddr != daddr) -- continue; -+ if (inet_addr_match(sk->sk_nx_info, daddr, rcv_saddr)) - score += 2; -- } -+ else -+ continue; - if (sk->sk_bound_dev_if) { - if (sk->sk_bound_dev_if != dif) - continue; -Index: linux-2.6.18/net/ipv4/raw.c -=================================================================== ---- linux-2.6.18.orig/net/ipv4/raw.c -+++ linux-2.6.18/net/ipv4/raw.c -@@ -102,6 +102,27 @@ static void raw_v4_unhash(struct sock *s - write_unlock_bh(&raw_v4_lock); - } - -+ -+/* -+ * Check if a given address matches for a socket -+ * -+ * nxi: the socket's nx_info if any -+ * addr: to be verified address -+ * saddr/baddr: socket addresses -+ */ -+static inline int raw_addr_match ( -+ struct nx_info *nxi, -+ uint32_t addr, -+ uint32_t saddr, -+ uint32_t baddr) -+{ -+ if (addr && (saddr == addr || baddr == addr)) -+ return 1; -+ if (!saddr) -+ return addr_in_nx_info(nxi, addr); -+ return 0; -+} -+ - struct sock *__raw_v4_lookup(struct sock *sk, unsigned short num, - __be32 raddr, __be32 laddr, - int dif) -@@ -113,7 +134,8 @@ struct sock *__raw_v4_lookup(struct sock - - if (inet->num == num && - !(inet->daddr && inet->daddr != raddr) && -- !(inet->rcv_saddr && inet->rcv_saddr != laddr) && -+ raw_addr_match(sk->sk_nx_info, laddr, -+ inet->rcv_saddr, inet->rcv_saddr2) && - !(sk->sk_bound_dev_if && sk->sk_bound_dev_if != dif)) - goto found; /* gotcha */ - } -@@ -313,6 +335,11 @@ static int raw_send_hdrinc(struct sock * - iph->check = ip_fast_csum((unsigned char *)iph, iph->ihl); - } - -+ err = -EPERM; -+ if (!vx_check(0, VX_ADMIN) && !capable(CAP_NET_RAW) -+ && (!addr_in_nx_info(sk->sk_nx_info, iph->saddr))) -+ goto error_free; -+ - err = NF_HOOK(PF_INET, NF_IP_LOCAL_OUT, skb, NULL, rt->u.dst.dev, - dst_output); - if (err > 0) -@@ -324,6 +351,7 @@ out: - - error_fault: - err = -EFAULT; -+error_free: - kfree_skb(skb); - error: - IP_INC_STATS(IPSTATS_MIB_OUTDISCARDS); -@@ -484,6 +512,12 @@ static int raw_sendmsg(struct kiocb *ioc - if (!inet->hdrincl) - raw_probe_proto_opt(&fl, msg); - -+ if (sk->sk_nx_info) { -+ err = ip_find_src(sk->sk_nx_info, &rt, &fl); -+ -+ if (err) -+ goto done; -+ } - err = ip_route_output_flow(&rt, &fl, sk, !(msg->msg_flags&MSG_DONTWAIT)); - } - if (err) -@@ -788,7 +822,8 @@ static struct sock *raw_get_first(struct - struct hlist_node *node; - - sk_for_each(sk, node, &raw_v4_htable[state->bucket]) -- if (sk->sk_family == PF_INET) -+ if (sk->sk_family == PF_INET && -+ vx_check(sk->sk_xid, VX_IDENT|VX_WATCH)) - goto found; - } - sk = NULL; -@@ -804,7 +839,8 @@ static struct sock *raw_get_next(struct - sk = sk_next(sk); - try_again: - ; -- } while (sk && sk->sk_family != PF_INET); -+ } while (sk && (sk->sk_family != PF_INET || -+ !vx_check(sk->sk_xid, VX_IDENT|VX_WATCH))); - - if (!sk && ++state->bucket < RAWV4_HTABLE_SIZE) { - sk = sk_head(&raw_v4_htable[state->bucket]); -Index: linux-2.6.18/net/ipv4/tcp.c -=================================================================== ---- linux-2.6.18.orig/net/ipv4/tcp.c -+++ linux-2.6.18/net/ipv4/tcp.c -@@ -258,6 +258,7 @@ - #include <linux/bootmem.h> - #include <linux/cache.h> - #include <linux/err.h> -+#include <linux/in.h> - - #include <net/icmp.h> - #include <net/tcp.h> -Index: linux-2.6.18/net/ipv4/tcp_ipv4.c -=================================================================== ---- linux-2.6.18.orig/net/ipv4/tcp_ipv4.c -+++ linux-2.6.18/net/ipv4/tcp_ipv4.c -@@ -77,6 +77,7 @@ - #include <linux/stddef.h> - #include <linux/proc_fs.h> - #include <linux/seq_file.h> -+#include <linux/vserver/debug.h> - - int sysctl_tcp_tw_reuse; - int sysctl_tcp_low_latency; -@@ -1388,6 +1389,12 @@ static void *listening_get_next(struct s - req = req->dl_next; - while (1) { - while (req) { -+ vxdprintk(VXD_CBIT(net, 6), -+ "sk,req: %p [#%d] (from %d)", req->sk, -+ (req->sk)?req->sk->sk_xid:0, vx_current_xid()); -+ if (req->sk && -+ !vx_check(req->sk->sk_xid, VX_IDENT|VX_WATCH)) -+ continue; - if (req->rsk_ops->family == st->family) { - cur = req; - goto out; -@@ -1412,6 +1419,10 @@ get_req: - } - get_sk: - sk_for_each_from(sk, node) { -+ vxdprintk(VXD_CBIT(net, 6), "sk: %p [#%d] (from %d)", -+ sk, sk->sk_xid, vx_current_xid()); -+ if (!vx_check(sk->sk_xid, VX_IDENT|VX_WATCH)) -+ continue; - if (sk->sk_family == st->family) { - cur = sk; - goto out; -@@ -1463,18 +1474,26 @@ static void *established_get_first(struc - - read_lock(&tcp_hashinfo.ehash[st->bucket].lock); - sk_for_each(sk, node, &tcp_hashinfo.ehash[st->bucket].chain) { -- if (sk->sk_family != st->family) { -+ vxdprintk(VXD_CBIT(net, 6), -+ "sk,egf: %p [#%d] (from %d)", -+ sk, sk->sk_xid, vx_current_xid()); -+ if (!vx_check(sk->sk_xid, VX_IDENT|VX_WATCH)) -+ continue; -+ if (sk->sk_family != st->family) - continue; -- } - rc = sk; - goto out; - } - st->state = TCP_SEQ_STATE_TIME_WAIT; - inet_twsk_for_each(tw, node, - &tcp_hashinfo.ehash[st->bucket + tcp_hashinfo.ehash_size].chain) { -- if (tw->tw_family != st->family) { -+ vxdprintk(VXD_CBIT(net, 6), -+ "tw: %p [#%d] (from %d)", -+ tw, tw->tw_xid, vx_current_xid()); -+ if (!vx_check(tw->tw_xid, VX_IDENT|VX_WATCH)) -+ continue; -+ if (tw->tw_family != st->family) - continue; -- } - rc = tw; - goto out; - } -@@ -1498,7 +1517,8 @@ static void *established_get_next(struct - tw = cur; - tw = tw_next(tw); - get_tw: -- while (tw && tw->tw_family != st->family) { -+ while (tw && (tw->tw_family != st->family || -+ !vx_check(tw->tw_xid, VX_IDENT|VX_WATCH))) { - tw = tw_next(tw); - } - if (tw) { -@@ -1522,6 +1542,11 @@ get_tw: - sk = sk_next(sk); - - sk_for_each_from(sk, node) { -+ vxdprintk(VXD_CBIT(net, 6), -+ "sk,egn: %p [#%d] (from %d)", -+ sk, sk->sk_xid, vx_current_xid()); -+ if (!vx_check(sk->sk_xid, VX_IDENT|VX_WATCH)) -+ continue; - if (sk->sk_family == st->family) - goto found; - } -Index: linux-2.6.18/net/ipv4/tcp_minisocks.c -=================================================================== ---- linux-2.6.18.orig/net/ipv4/tcp_minisocks.c -+++ linux-2.6.18/net/ipv4/tcp_minisocks.c -@@ -28,6 +28,10 @@ - #include <net/inet_common.h> - #include <net/xfrm.h> - -+#include <linux/vs_limit.h> -+#include <linux/vs_socket.h> -+#include <linux/vs_context.h> -+ - #ifdef CONFIG_SYSCTL - #define SYNC_INIT 0 /* let the user enable it */ - #else -@@ -294,6 +298,11 @@ void tcp_time_wait(struct sock *sk, int - tcptw->tw_ts_recent = tp->rx_opt.ts_recent; - tcptw->tw_ts_recent_stamp = tp->rx_opt.ts_recent_stamp; - -+ tw->tw_xid = sk->sk_xid; -+ tw->tw_vx_info = NULL; -+ tw->tw_nid = sk->sk_nid; -+ tw->tw_nx_info = NULL; -+ - #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) - if (tw->tw_family == PF_INET6) { - struct ipv6_pinfo *np = inet6_sk(sk); -Index: linux-2.6.18/net/ipv4/udp.c -=================================================================== ---- linux-2.6.18.orig/net/ipv4/udp.c -+++ linux-2.6.18/net/ipv4/udp.c -@@ -175,14 +175,12 @@ gotit: - struct inet_sock *inet2 = inet_sk(sk2); - - if (inet2->num == snum && -- sk2 != sk && -- !ipv6_only_sock(sk2) && -+ sk2 != sk && !ipv6_only_sock(sk2) && - (!sk2->sk_bound_dev_if || - !sk->sk_bound_dev_if || - sk2->sk_bound_dev_if == sk->sk_bound_dev_if) && -- (!inet2->rcv_saddr || -- !inet->rcv_saddr || -- inet2->rcv_saddr == inet->rcv_saddr) && -+ nx_addr_conflict(sk->sk_nx_info, -+ inet_rcv_saddr(sk), sk2) && - (!sk2->sk_reuse || !sk->sk_reuse)) - goto fail; - } -@@ -237,6 +235,11 @@ static struct sock *udp_v4_lookup_longwa - if (inet->rcv_saddr != daddr) - continue; - score+=2; -+ } else if (sk->sk_nx_info) { -+ if (addr_in_nx_info(sk->sk_nx_info, daddr)) -+ score+=2; -+ else -+ continue; - } - if (inet->daddr) { - if (inet->daddr != saddr) -@@ -293,7 +296,8 @@ static inline struct sock *udp_v4_mcast_ - if (inet->num != hnum || - (inet->daddr && inet->daddr != rmt_addr) || - (inet->dport != rmt_port && inet->dport) || -- (inet->rcv_saddr && inet->rcv_saddr != loc_addr) || -+ (inet->rcv_saddr && inet->rcv_saddr != loc_addr && -+ inet->rcv_saddr2 && inet->rcv_saddr2 != loc_addr) || - ipv6_only_sock(s) || - (s->sk_bound_dev_if && s->sk_bound_dev_if != dif)) - continue; -@@ -603,6 +607,19 @@ int udp_sendmsg(struct kiocb *iocb, stru - .uli_u = { .ports = - { .sport = inet->sport, - .dport = dport } } }; -+ struct nx_info *nxi = sk->sk_nx_info; -+ -+ if (nxi) { -+ err = ip_find_src(nxi, &rt, &fl); -+ if (err) -+ goto out; -+ if (daddr == IPI_LOOPBACK && !vx_check(0, VX_ADMIN)) -+ daddr = fl.fl4_dst = nxi->ipv4[0]; -+#ifdef CONFIG_VSERVER_REMAP_SADDR -+ if (saddr == IPI_LOOPBACK && !vx_check(0, VX_ADMIN)) -+ saddr = fl.fl4_src = nxi->ipv4[0]; -+#endif -+ } - err = ip_route_output_flow(&rt, &fl, sk, !(msg->msg_flags&MSG_DONTWAIT)); - if (err) - goto out; -@@ -1411,8 +1428,10 @@ static struct sock *udp_get_first(struct - - for (state->bucket = 0; state->bucket < UDP_HTABLE_SIZE; ++state->bucket) { - struct hlist_node *node; -+ - sk_for_each(sk, node, &udp_hash[state->bucket]) { -- if (sk->sk_family == state->family) -+ if (sk->sk_family == state->family && -+ vx_check(sk->sk_xid, VX_IDENT|VX_WATCH)) - goto found; - } - } -@@ -1429,7 +1448,8 @@ static struct sock *udp_get_next(struct - sk = sk_next(sk); - try_again: - ; -- } while (sk && sk->sk_family != state->family); -+ } while (sk && (sk->sk_family != state->family || -+ !vx_check(sk->sk_xid, VX_IDENT|VX_WATCH))); - - if (!sk && ++state->bucket < UDP_HTABLE_SIZE) { - sk = sk_head(&udp_hash[state->bucket]); -Index: linux-2.6.18/net/ipv6/addrconf.c -=================================================================== ---- linux-2.6.18.orig/net/ipv6/addrconf.c -+++ linux-2.6.18/net/ipv6/addrconf.c -@@ -2698,7 +2698,10 @@ static void if6_seq_stop(struct seq_file - static int if6_seq_show(struct seq_file *seq, void *v) - { - struct inet6_ifaddr *ifp = (struct inet6_ifaddr *)v; -- seq_printf(seq, -+ -+ /* no ipv6 inside a vserver for now */ -+ if (vx_check(0, VX_ADMIN|VX_WATCH)) -+ seq_printf(seq, - NIP6_SEQFMT " %02x %02x %02x %02x %8s\n", - NIP6(ifp->addr), - ifp->idev->dev->ifindex, -@@ -3133,6 +3136,10 @@ static int inet6_dump_addr(struct sk_buf - struct ifmcaddr6 *ifmca; - struct ifacaddr6 *ifaca; - -+ /* no ipv6 inside a vserver for now */ -+ if (skb->sk && skb->sk->sk_vx_info) -+ return skb->len; -+ - s_idx = cb->args[0]; - s_ip_idx = ip_idx = cb->args[1]; - read_lock(&dev_base_lock); -@@ -3414,6 +3421,10 @@ static int inet6_dump_ifinfo(struct sk_b - struct net_device *dev; - struct inet6_dev *idev; - -+ /* no ipv6 inside a vserver for now */ -+ if (skb->sk && skb->sk->sk_vx_info) -+ return skb->len; -+ - read_lock(&dev_base_lock); - for (dev=dev_base, idx=0; dev; dev = dev->next, idx++) { - if (idx < s_idx) -Index: linux-2.6.18/net/netlink/af_netlink.c -=================================================================== ---- linux-2.6.18.orig/net/netlink/af_netlink.c -+++ linux-2.6.18/net/netlink/af_netlink.c -@@ -56,6 +56,9 @@ - #include <linux/types.h> - #include <linux/audit.h> - #include <linux/selinux.h> -+#include <linux/vs_context.h> -+#include <linux/vs_network.h> -+#include <linux/vs_limit.h> - - #include <net/sock.h> - #include <net/scm.h> -Index: linux-2.6.18/net/socket.c -=================================================================== ---- linux-2.6.18.orig/net/socket.c -+++ linux-2.6.18/net/socket.c -@@ -93,6 +93,7 @@ - - #include <net/sock.h> - #include <linux/netfilter.h> -+#include <linux/vs_socket.h> - - static int sock_no_open(struct inode *irrelevant, struct file *dontcare); - static ssize_t sock_aio_read(struct kiocb *iocb, char __user *buf, -@@ -582,7 +583,7 @@ static inline int __sock_sendmsg(struct - struct msghdr *msg, size_t size) - { - struct sock_iocb *si = kiocb_to_siocb(iocb); -- int err; -+ int err, len; - - si->sock = sock; - si->scm = NULL; -@@ -593,7 +594,21 @@ static inline int __sock_sendmsg(struct - if (err) - return err; - -- return sock->ops->sendmsg(iocb, sock, msg, size); -+ len = sock->ops->sendmsg(iocb, sock, msg, size); -+ if (sock->sk) { -+ if (len == size) -+ vx_sock_send(sock->sk, size); -+ else -+ vx_sock_fail(sock->sk, size); -+ } -+ vxdprintk(VXD_CBIT(net, 7), -+ "__sock_sendmsg: %p[%p,%p,%p;%d]:%d/%d", -+ sock, sock->sk, -+ (sock->sk)?sock->sk->sk_nx_info:0, -+ (sock->sk)?sock->sk->sk_vx_info:0, -+ (sock->sk)?sock->sk->sk_xid:0, -+ (unsigned int)size, len); -+ return len; - } - - int sock_sendmsg(struct socket *sock, struct msghdr *msg, size_t size) -@@ -631,7 +646,7 @@ int kernel_sendmsg(struct socket *sock, - static inline int __sock_recvmsg(struct kiocb *iocb, struct socket *sock, - struct msghdr *msg, size_t size, int flags) - { -- int err; -+ int err, len; - struct sock_iocb *si = kiocb_to_siocb(iocb); - - si->sock = sock; -@@ -644,7 +659,17 @@ static inline int __sock_recvmsg(struct - if (err) - return err; - -- return sock->ops->recvmsg(iocb, sock, msg, size, flags); -+ len = sock->ops->recvmsg(iocb, sock, msg, size, flags); -+ if ((len >= 0) && sock->sk) -+ vx_sock_recv(sock->sk, len); -+ vxdprintk(VXD_CBIT(net, 7), -+ "__sock_recvmsg: %p[%p,%p,%p;%d]:%d/%d", -+ sock, sock->sk, -+ (sock->sk)?sock->sk->sk_nx_info:0, -+ (sock->sk)?sock->sk->sk_vx_info:0, -+ (sock->sk)?sock->sk->sk_xid:0, -+ (unsigned int)size, len); -+ return len; - } - - int sock_recvmsg(struct socket *sock, struct msghdr *msg, -@@ -1134,6 +1159,10 @@ static int __sock_create(int family, int - if (type < 0 || type >= SOCK_MAX) - return -EINVAL; - -+ /* disable IPv6 inside vservers for now */ -+ if (family == PF_INET6 && !vx_check(0, VX_ADMIN)) -+ return -EAFNOSUPPORT; -+ - /* Compatibility. - - This uglymoron is moved from INET layer to here to avoid -@@ -1245,6 +1274,7 @@ asmlinkage long sys_socket(int family, i - if (retval < 0) - goto out; - -+ set_bit(SOCK_USER_SOCKET, &sock->flags); - retval = sock_map_fd(sock); - if (retval < 0) - goto out_release; -@@ -1275,10 +1305,12 @@ asmlinkage long sys_socketpair(int famil - err = sock_create(family, type, protocol, &sock1); - if (err < 0) - goto out; -+ set_bit(SOCK_USER_SOCKET, &sock1->flags); - - err = sock_create(family, type, protocol, &sock2); - if (err < 0) - goto out_release_1; -+ set_bit(SOCK_USER_SOCKET, &sock2->flags); - - err = sock1->ops->socketpair(sock1, sock2); - if (err < 0) -Index: linux-2.6.18/net/sunrpc/auth.c -=================================================================== ---- linux-2.6.18.orig/net/sunrpc/auth.c -+++ linux-2.6.18/net/sunrpc/auth.c -@@ -13,6 +13,7 @@ - #include <linux/errno.h> - #include <linux/sunrpc/clnt.h> - #include <linux/spinlock.h> -+#include <linux/vserver/xid.h> - - #ifdef RPC_DEBUG - # define RPCDBG_FACILITY RPCDBG_AUTH -@@ -263,6 +264,7 @@ rpcauth_lookupcred(struct rpc_auth *auth - struct auth_cred acred = { - .uid = current->fsuid, - .gid = current->fsgid, -+ .xid = vx_current_xid(), - .group_info = current->group_info, - }; - struct rpc_cred *ret; -@@ -282,6 +284,7 @@ rpcauth_bindcred(struct rpc_task *task) - struct auth_cred acred = { - .uid = current->fsuid, - .gid = current->fsgid, -+ .xid = vx_current_xid(), - .group_info = current->group_info, - }; - struct rpc_cred *ret; -Index: linux-2.6.18/net/sunrpc/auth_unix.c -=================================================================== ---- linux-2.6.18.orig/net/sunrpc/auth_unix.c -+++ linux-2.6.18/net/sunrpc/auth_unix.c -@@ -11,12 +11,14 @@ - #include <linux/module.h> - #include <linux/sunrpc/clnt.h> - #include <linux/sunrpc/auth.h> -+#include <linux/vserver/xid.h> - - #define NFS_NGROUPS 16 - - struct unx_cred { - struct rpc_cred uc_base; - gid_t uc_gid; -+ xid_t uc_xid; - gid_t uc_gids[NFS_NGROUPS]; - }; - #define uc_uid uc_base.cr_uid -@@ -78,6 +80,7 @@ unx_create_cred(struct rpc_auth *auth, s - if (flags & RPCAUTH_LOOKUP_ROOTCREDS) { - cred->uc_uid = 0; - cred->uc_gid = 0; -+ cred->uc_xid = vx_current_xid(); - cred->uc_gids[0] = NOGROUP; - } else { - int groups = acred->group_info->ngroups; -@@ -86,6 +89,7 @@ unx_create_cred(struct rpc_auth *auth, s - - cred->uc_uid = acred->uid; - cred->uc_gid = acred->gid; -+ cred->uc_xid = acred->xid; - for (i = 0; i < groups; i++) - cred->uc_gids[i] = GROUP_AT(acred->group_info, i); - if (i < NFS_NGROUPS) -@@ -117,7 +121,8 @@ unx_match(struct auth_cred *acred, struc - int groups; - - if (cred->uc_uid != acred->uid -- || cred->uc_gid != acred->gid) -+ || cred->uc_gid != acred->gid -+ || cred->uc_xid != acred->xid) - return 0; - - groups = acred->group_info->ngroups; -@@ -143,7 +148,7 @@ unx_marshal(struct rpc_task *task, u32 * - struct rpc_clnt *clnt = task->tk_client; - struct unx_cred *cred = (struct unx_cred *) task->tk_msg.rpc_cred; - u32 *base, *hold; -- int i; -+ int i, tagxid; - - *p++ = htonl(RPC_AUTH_UNIX); - base = p++; -@@ -153,9 +158,12 @@ unx_marshal(struct rpc_task *task, u32 * - * Copy the UTS nodename captured when the client was created. - */ - p = xdr_encode_array(p, clnt->cl_nodename, clnt->cl_nodelen); -+ tagxid = task->tk_client->cl_tagxid; - -- *p++ = htonl((u32) cred->uc_uid); -- *p++ = htonl((u32) cred->uc_gid); -+ *p++ = htonl((u32) XIDINO_UID(tagxid, -+ cred->uc_uid, cred->uc_xid)); -+ *p++ = htonl((u32) XIDINO_GID(tagxid, -+ cred->uc_gid, cred->uc_xid)); - hold = p++; - for (i = 0; i < 16 && cred->uc_gids[i] != (gid_t) NOGROUP; i++) - *p++ = htonl((u32) cred->uc_gids[i]); -Index: linux-2.6.18/net/unix/af_unix.c -=================================================================== ---- linux-2.6.18.orig/net/unix/af_unix.c -+++ linux-2.6.18/net/unix/af_unix.c -@@ -116,6 +116,9 @@ - #include <linux/mount.h> - #include <net/checksum.h> - #include <linux/security.h> -+#include <linux/vs_context.h> -+#include <linux/vs_network.h> -+#include <linux/vs_limit.h> - - int sysctl_unix_max_dgram_qlen = 10; - -@@ -252,6 +255,8 @@ static struct sock *__unix_find_socket_b - sk_for_each(s, node, &unix_socket_table[hash ^ type]) { - struct unix_sock *u = unix_sk(s); - -+ if (!vx_check(s->sk_xid, VX_IDENT|VX_WATCH)) -+ continue; - if (u->addr->len == len && - !memcmp(u->addr->name, sunname, len)) - goto found; -@@ -807,7 +812,7 @@ static int unix_bind(struct socket *sock - */ - mode = S_IFSOCK | - (SOCK_INODE(sock)->i_mode & ~current->fs->umask); -- err = vfs_mknod(nd.dentry->d_inode, dentry, mode, 0); -+ err = vfs_mknod(nd.dentry->d_inode, dentry, mode, 0, NULL); - if (err) - goto out_mknod_dput; - mutex_unlock(&nd.dentry->d_inode->i_mutex); -Index: linux-2.6.18/net/x25/af_x25.c -=================================================================== ---- linux-2.6.18.orig/net/x25/af_x25.c -+++ linux-2.6.18/net/x25/af_x25.c -@@ -501,7 +501,10 @@ static int x25_create(struct socket *soc - - x25 = x25_sk(sk); - -- sock_init_data(sock, sk); -+ sk->sk_socket = sock; -+ sk->sk_type = sock->type; -+ sk->sk_sleep = &sock->wait; -+ sock->sk = sk; - - x25_init_timers(sk); - -Index: linux-2.6.18/security/commoncap.c -=================================================================== ---- linux-2.6.18.orig/security/commoncap.c -+++ linux-2.6.18/security/commoncap.c -@@ -142,7 +142,7 @@ void cap_bprm_apply_creds (struct linux_ - /* Derived from fs/exec.c:compute_creds. */ - kernel_cap_t new_permitted, working; - -- new_permitted = cap_intersect (bprm->cap_permitted, cap_bset); -+ new_permitted = cap_intersect (bprm->cap_permitted, vx_current_bcaps()); - working = cap_intersect (bprm->cap_inheritable, - current->cap_inheritable); - new_permitted = cap_combine (new_permitted, working); -@@ -311,7 +311,8 @@ void cap_task_reparent_to_init (struct t - - int cap_syslog (int type) - { -- if ((type != 3 && type != 10) && !capable(CAP_SYS_ADMIN)) -+ if ((type != 3 && type != 10) && -+ !vx_capable(CAP_SYS_ADMIN, VXC_SYSLOG)) - return -EPERM; - return 0; - } diff --git a/vserver-sources/2.0.3_rc1/4411_vs2.0.2-vesafb-cvirt-fix.patch b/vserver-sources/2.0.3_rc1/4411_vs2.0.2-vesafb-cvirt-fix.patch deleted file mode 100644 index f308417..0000000 --- a/vserver-sources/2.0.3_rc1/4411_vs2.0.2-vesafb-cvirt-fix.patch +++ /dev/null @@ -1,12 +0,0 @@ -Index: linux-2.6.18/drivers/video/vesafb-tng.c -=================================================================== ---- linux-2.6.18.orig/drivers/video/vesafb-tng.c -+++ linux-2.6.18/drivers/video/vesafb-tng.c -@@ -17,6 +17,7 @@ - #include <linux/ioport.h> - #include <linux/init.h> - #include <linux/proc_fs.h> -+#include <linux/vs_cvirt.h> - #include <linux/completion.h> - #include <linux/platform_device.h> - #include <video/edid.h> |