Btrfs: start of support for many FS volumes

Signed-off-by: Chris Mason <chris.mason@oracle.com>
diff --git a/fs/btrfs/print-tree.c b/fs/btrfs/print-tree.c
index c8ee938..f0da65c 100644
--- a/fs/btrfs/print-tree.c
+++ b/fs/btrfs/print-tree.c
@@ -38,7 +38,7 @@
 		case BTRFS_DIR_ITEM_KEY:
 			di = btrfs_item_ptr(l, i, struct btrfs_dir_item);
 			printk("\t\tdir oid %Lu flags %u type %u\n",
-				btrfs_dir_objectid(di),
+				btrfs_disk_key_objectid(&di->location),
 				btrfs_dir_flags(di),
 				btrfs_dir_type(di));
 			printk("\t\tname %.*s\n",