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Subject[2.6 patch] #ifndef guard percpu_counter.h and blockgroup_lock.h
Insert header guards to allow possible multiple inclusion for
include/linux/percpu_counter.h and include/linux/blockgroup_lock.h

This patch is basically
[6/9] Lustre VFS patches for 2.6
by Oleg Drokin <green@clusterfs.com> with the exception that I put the
#ifndef's before the initial comments.

Independent of the Lustre discussions this patch seems to be a good
idea.

diffstat output:
include/linux/blockgroup_lock.h | 4 +++-
include/linux/percpu_counter.h | 4 ++++
2 files changed, 7 insertions(+), 1 deletion(-)

Signed-off-by: Adrian Bunk <bunk@fs.tum.de>

--- linux-2.6.7-mm7-full/include/linux/percpu_counter.h.old 2004-07-12 00:58:09.000000000 +0200
+++ linux-2.6.7-mm7-full/include/linux/percpu_counter.h 2004-07-12 01:01:11.000000000 +0200
@@ -1,3 +1,5 @@
+#ifndef _LINUX_PERCPU_COUNTER_H
+#define _LINUX_PERCPU_COUNTER_H
/*
* A simple "approximate counter" for use in ext2 and ext3 superblocks.
*
@@ -101,3 +103,5 @@
{
percpu_counter_mod(fbc, -1);
}
+
+#endif /* _LINUX_PERCPU_COUNTER_H */
--- linux-2.6.7-mm7-full/include/linux/blockgroup_lock.h.old 2004-07-12 00:59:38.000000000 +0200
+++ linux-2.6.7-mm7-full/include/linux/blockgroup_lock.h 2004-07-12 01:01:17.000000000 +0200
@@ -1,3 +1,5 @@
+#ifndef _LINUX_BLOCKGROUP_LOCK_H
+#define _LINUX_BLOCKGROUP_LOCK_H
/*
* Per-blockgroup locking for ext2 and ext3.
*
@@ -55,4 +57,4 @@
#define sb_bgl_lock(sb, block_group) \
(&(sb)->s_blockgroup_lock.locks[(block_group) & (NR_BG_LOCKS-1)].lock)

-
+#endif
-
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