diff --git a/include/linux/fs.h b/include/linux/fs.h
index ca695fc..98ff684 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -531,8 +531,8 @@
 	struct list_head	i_devices;
 	union {
 		struct pipe_inode_info	*i_pipe;
+		struct block_device	*i_bdev;
 	};
-	struct block_device	*i_bdev;
 	struct cdev		*i_cdev;
 	int			i_cindex;