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Based on:
> Forward-port the old mdstart tool from the Gentoo Busybox-1.1.3.
> Only fires the RAID_AUTORUN ioctl on existing /dev/md nodes.
diff -pruN a/include/usage.src.h mdstart/include/usage.src.h
--- a/include/usage.src.h 2010-12-21 06:29:45.000000000 +0200
+++ mdstart/include/usage.src.h 2011-01-12 21:29:47.000000000 +0200
@@ -847,6 +847,11 @@ INSERT
"$ dirname /tmp/foo/\n" \
"/tmp\n"
+#define mdstart_trivial_usage \
+ "{[PARTITION] MD-NODE}..."
+#define mdstart_full_usage \
+ Run the RAID_AUTORUN ioctl on the given MD number"
+
#define dmesg_trivial_usage \
"[-c] [-n LEVEL] [-s SIZE]"
#define dmesg_full_usage "\n\n" \
diff -pruN a/util-linux/Config.src mdstart/util-linux/Config.src
--- a/util-linux/Config.src 2010-12-20 02:41:27.000000000 +0200
+++ mdstart/util-linux/Config.src 2011-01-12 21:30:09.000000000 +0200
@@ -456,6 +456,13 @@ config FEATURE_MDEV_LOAD_FIRMWARE
/lib/firmware/ and if it exists, send it to the kernel for
loading into the hardware.
+config MDSTART
+ bool "mdstart"
+ default n
+ help
+ Allows you to autostart /dev/md devices if using an initramfs to
+ boot.
+
config MKSWAP
bool "mkswap"
default y
diff -pruN a/util-linux/Kbuild.src mdstart/util-linux/Kbuild.src
--- a/util-linux/Kbuild.src 2010-12-20 02:41:27.000000000 +0200
+++ mdstart/util-linux/Kbuild.src 2011-01-12 21:30:09.000000000 +0200
@@ -24,6 +24,7 @@ lib-$(CONFIG_HWCLOCK) += hwclo
lib-$(CONFIG_IPCRM) += ipcrm.o
lib-$(CONFIG_IPCS) += ipcs.o
lib-$(CONFIG_LOSETUP) += losetup.o
+lib-$(CONFIG_MDSTART) += mdStart.o
lib-$(CONFIG_LSPCI) += lspci.o
lib-$(CONFIG_LSUSB) += lsusb.o
lib-$(CONFIG_MDEV) += mdev.o
diff -pruN a/util-linux/mdStart.c mdstart/util-linux/mdStart.c
--- a/util-linux/mdStart.c 1970-01-01 03:00:00.000000000 +0300
+++ mdstart/util-linux/mdStart.c 2011-01-12 21:30:09.000000000 +0200
@@ -0,0 +1,59 @@
+/*
+ * Linux 2.6(+) RAID Autostarter
+ *
+ * Copyright (C) 2005 by Tim Yamin <plasmaroo@gentoo.org> <plasm@roo.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <linux/major.h>
+#include <linux/raid/md_u.h>
+
+extern int
+mdstart_main(int argc, char *argv[])
+{
+ int i, fd, part = 0, retval = 0;
+
+ if(argc < 2)
+ {
+ bb_show_usage();
+ }
+
+ for(i = 1; i < argc; i++)
+ {
+ if(sscanf(argv[i], "%d", &part) == 1)
+ continue;
+
+ fd = open(argv[i], 0, 0);
+ if (fd >= 0)
+ {
+ ioctl(fd, RAID_AUTORUN, part);
+ close(fd);
+ } else
+ {
+ printf("Error: Failed to open %s!\n", argv[i]);
+ retval=1;
+ }
+
+ part = 0;
+ }
+
+ return retval;
+}
|
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