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From 2ab84dda5f7de4bd2bd00256ee8cdbd329633811 Mon Sep 17 00:00:00 2001
From: Peng Tao <tao.peng@emc.com>
Date: Wed, 22 Aug 2012 17:57:04 +0800
Subject: [PATCH 12/13] LU-1337 llite: kernel 3.5 renames end_writeback to
clear_inode
kernel commit dbd5768f8 renames end_writeback to clear_inode,
which used to exist for ~2.6.36 kernels.
Signed-off-by: Peng Tao <tao.peng@emc.com>
Change-Id: I2435e820092085c0fb55539818f4bad9e48ff386
---
lustre/autoconf/lustre-core.m4 | 22 ++++++++++++++++++++++
lustre/include/linux/lustre_compat25.h | 3 +++
lustre/llite/llite_lib.c | 4 +---
3 files changed, 26 insertions(+), 3 deletions(-)
diff --git a/lustre/autoconf/lustre-core.m4 b/lustre/autoconf/lustre-core.m4
index e563921..66555cc 100644
--- a/lustre/autoconf/lustre-core.m4
+++ b/lustre/autoconf/lustre-core.m4
@@ -2031,6 +2031,25 @@ LB_LINUX_TRY_COMPILE([
])
#
+# 3.5 renames end_writeback() back to clear_inode()...
+# see kernel commit dbd5768f87ff6fb0a4fe09c4d7b6c4a24de99430
+#
+AC_DEFUN([LC_HAVE_CLEAR_INODE],
+[AC_MSG_CHECKING([if have clear_inode])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
+],[
+ clear_inode((struct inode *)NULL);
+],[
+ AC_DEFINE(HAVE_CLEAR_INODE, 1,
+ [have clear_inode])
+ AC_MSG_RESULT([yes])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+
+#
# LC_PROG_LINUX
#
# Lustre linux kernel checks
@@ -2193,6 +2212,9 @@ AC_DEFUN([LC_PROG_LINUX],
LC_TOUCH_ATIME_1ARG
LC_HAVE_D_MAKE_ROOT
+ # 3.5
+ LC_HAVE_CLEAR_INODE
+
#
if test x$enable_server = xyes ; then
AC_DEFINE(HAVE_SERVER_SUPPORT, 1, [support server])
diff --git a/lustre/include/linux/lustre_compat25.h b/lustre/include/linux/lustre_compat25.h
index 321892a..e9ff0e2 100644
--- a/lustre/include/linux/lustre_compat25.h
+++ b/lustre/include/linux/lustre_compat25.h
@@ -816,6 +816,9 @@ static inline struct dentry *d_make_root(struct inode *root_inode)
return res;
}
#endif
+#ifndef HAVE_CLEAR_INODE
+#define clear_inode(i) end_writeback(i)
+#endif
#endif /* __KERNEL__ */
#endif /* _COMPAT25_H */
diff --git a/lustre/llite/llite_lib.c b/lustre/llite/llite_lib.c
index 1db4903..26659f4 100644
--- a/lustre/llite/llite_lib.c
+++ b/lustre/llite/llite_lib.c
@@ -1892,10 +1892,8 @@ void ll_delete_inode(struct inode *inode)
#ifdef HAVE_SBOPS_EVICT_INODE
ll_clear_inode(inode);
- end_writeback(inode);
-#else
- clear_inode(inode);
#endif
+ clear_inode(inode);
EXIT;
}
--
1.7.12
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