diff --git a/drivers/md/bcache/bcache.h b/drivers/md/bcache/bcache.h
index 66e6d56..83504dd 100644
--- a/drivers/md/bcache/bcache.h
+++ b/drivers/md/bcache/bcache.h
@@ -275,8 +275,8 @@ struct bcache_device {
 
 	int (*cache_miss)(struct btree *b, struct search *s,
 			  struct bio *bio, unsigned int sectors);
-	int (*ioctl) (struct bcache_device *d, fmode_t mode,
-		      unsigned int cmd, unsigned long arg);
+	int (*ioctl)(struct bcache_device *d, fmode_t mode,
+		     unsigned int cmd, unsigned long arg);
 };
 
 struct io {