diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 364d64b..c44075d 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -932,7 +932,7 @@
 		oi->ip_dir_start_lookup = 0;
 
 		init_rwsem(&oi->ip_alloc_sem);
-		init_MUTEX(&(oi->ip_io_sem));
+		mutex_init(&oi->ip_io_mutex);
 
 		oi->ip_blkno = 0ULL;
 		oi->ip_clusters = 0;