[2.6 patch] #ifndef guard percpu_counter.h and blockgroup_lock.h

[Adrian Bunk]

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@xxxxxxxxxxxxx> 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@xxxxxxxxx>

--- 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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