diff --git a/include/linux/fs.h b/include/linux/fs.h
index 4f77ec9c33537b94ed5162c751e3578b54718be0..ca695fc8d69cb3ab21b893764c6c7c6edcfc9239 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -528,9 +528,10 @@ struct inode {
 #ifdef CONFIG_QUOTA
 	struct dquot		*i_dquot[MAXQUOTAS];
 #endif
-	/* These three should probably be a union */
 	struct list_head	i_devices;
-	struct pipe_inode_info	*i_pipe;
+	union {
+		struct pipe_inode_info	*i_pipe;
+	};
 	struct block_device	*i_bdev;
 	struct cdev		*i_cdev;
 	int			i_cindex;