[PATCH] Convert lockd to use the newer mutex instead of the older semaphore

Both the (recently introduces) nsm_sema and the older f_sema are converted
over.

Cc: Olaf Kirch <okir@suse.de>
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/linux/lockd/lockd.h b/include/linux/lockd/lockd.h
index 5920eca..2909619 100644
--- a/include/linux/lockd/lockd.h
+++ b/include/linux/lockd/lockd.h
@@ -111,7 +111,7 @@
 	struct list_head	f_blocks;	/* blocked locks */
 	unsigned int		f_locks;	/* guesstimate # of locks */
 	unsigned int		f_count;	/* reference count */
-	struct semaphore	f_sema;		/* avoid concurrent access */
+	struct mutex		f_mutex;	/* avoid concurrent access */
 };
 
 /*