diff --git a/include/linux/gfs2_ondisk.h b/include/linux/gfs2_ondisk.h
index c3c19f926e6f..14d0df0b5749 100644
--- a/include/linux/gfs2_ondisk.h
+++ b/include/linux/gfs2_ondisk.h
@@ -118,7 +118,11 @@ struct gfs2_sb {
 
 	char sb_lockproto[GFS2_LOCKNAME_LEN];
 	char sb_locktable[GFS2_LOCKNAME_LEN];
-	/* In gfs1, quota and license dinodes followed */
+
+	struct gfs2_inum __pad3; /* Was quota inode in gfs1 */
+	struct gfs2_inum __pad4; /* Was licence inode in gfs1 */
+#define GFS2_HAS_UUID 1
+	__u8 sb_uuid[16]; /* The UUID, maybe 0 for backwards compat */
 };
 
 /*