LU-2148 mount: Kernel update for latest FC18 kernel

[fs/lustre-release.git] / lustre / autoconf / lustre-core.m4

diff --git a/lustre/autoconf/lustre-core.m4 b/lustre/autoconf/lustre-core.m4
index 4cc4bbf..bbecaf8 100644 (file)
--- a/lustre/autoconf/lustre-core.m4
+++ b/lustre/autoconf/lustre-core.m4
@@ -1658,40 +1658,6 @@ AC_DEFINE(HAVE_BLKDEV_GET_BY_DEV, 1,
 ])
 
 #
-# 2.6.38 vfsmount.mnt_count doesn't use atomic_t
-#
-# 3.3 starts hiding vfsmount guts series (move from include/linux/mount.h to
-# fs/mount.h, see kernel commit 7d6fec45a5131918b51dcd76da52f2ec86a85be6)
-#
-AC_DEFUN([LC_ATOMIC_MNT_COUNT],
-[AC_MSG_CHECKING([if vfsmount guts is hidden, or vfsmount.mnt_count is atomic_t.])
-LB_LINUX_TRY_COMPILE([
-       #include <linux/fs.h>
-       #include <../fs/mount.h>
-],[
-       struct mount *mnt =  real_mount((struct vfsmount *)0);
-],[
-       AC_DEFINE(HAVE_HIDE_VFSMOUNT_GUTS, 1,
-                 [hide vfsmount guts in fs/mount.h])
-       AC_MSG_RESULT([yes, hide vfsmount guts in fs/mount.h])
-],[
-       LB_LINUX_TRY_COMPILE([
-               #include <asm/atomic.h>
-               #include <linux/fs.h>
-               #include <linux/mount.h>
-       ],[
-               ((struct vfsmount *)0)->mnt_count = ((atomic_t) { 0 });
-       ],[
-               AC_DEFINE(HAVE_ATOMIC_MNT_COUNT, 1,
-                       [vfsmount.mnt_count is atomic_t])
-               AC_MSG_RESULT([yes, vfsmount.mnt_count is atomic_t])
-       ],[
-               AC_MSG_RESULT([no])
-       ])
-])
-])
-
-#
 # 2.6.38 use path as 4th parameter in quota_on.
 #
 AC_DEFUN([LC_QUOTA_ON_USE_PATH],
@@ -2324,7 +2290,6 @@ AC_DEFUN([LC_PROG_LINUX],
          LC_KERNEL_LOCKED
 
          # 2.6.38
-         LC_ATOMIC_MNT_COUNT
          LC_BLKDEV_GET_BY_DEV
          LC_GENERIC_PERMISSION
          LC_QUOTA_ON_USE_PATH