diff --git a/fs/block_dev.c b/fs/block_dev.c
index 379a446..993f78c 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -465,7 +465,7 @@
 	kmem_cache_free(bdev_cachep, bdi);
 }
 
-static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flags)
+static void init_once(struct kmem_cache * cachep, void *foo)
 {
 	struct bdev_inode *ei = (struct bdev_inode *) foo;
 	struct block_device *bdev = &ei->bdev;