[PATCH] fs/inode.c: make iprune_mutex static

There's no reason for iprune_mutex being global.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/fs/inode.c b/fs/inode.c
index a51c671..85da110 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -91,7 +91,7 @@
  * from its final dispose_list, the struct super_block they refer to
  * (for inode->i_sb->s_op) may already have been freed and reused.
  */
-DEFINE_MUTEX(iprune_mutex);
+static DEFINE_MUTEX(iprune_mutex);
 
 /*
  * Statistics gathering..