[PATCH] make drivers/md/dm-snap.c:ksnapd static

Signed-off-by: NAdrian Bunk <bunk@stusta.de>
Acked-by: NAlasdair G Kergon <agk@redhat.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

drivers/md/dm-snap.c

@@ -39,7 +39,7 @@
  */
 #define SNAPSHOT_PAGES 256
 
-struct workqueue_struct *ksnapd;
+static struct workqueue_struct *ksnapd;
 static void flush_queued_bios(struct work_struct *work);
 
 struct pending_exception {