[PATCH] mbcache: Remove unused mb_cache_shrink parameter

The cache parameter to mb_cache_shrink isn't used.  We may as well remove
it.

Signed-off-by: Andreas Gruenbacher <agruen@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/linux/mbcache.h b/include/linux/mbcache.h
index 8e5a1041..9263d2d 100644
--- a/include/linux/mbcache.h
+++ b/include/linux/mbcache.h
@@ -29,7 +29,7 @@
 
 struct mb_cache * mb_cache_create(const char *, struct mb_cache_op *, size_t,
 				  int, int);
-void mb_cache_shrink(struct mb_cache *, struct block_device *);
+void mb_cache_shrink(struct block_device *);
 void mb_cache_destroy(struct mb_cache *);
 
 /* Functions on cache entries */