86 int btrfs_uuid_tree_add(struct btrfs_trans_handle *trans, const u8 *uuid, u8 type,  in btrfs_uuid_tree_add()  argument
89 	struct btrfs_fs_info *fs_info = trans->fs_info;  in btrfs_uuid_tree_add()
116 	ret = btrfs_insert_empty_item(trans, uuid_root, path, &key,  in btrfs_uuid_tree_add()
128 		btrfs_extend_item(trans, path, sizeof(subid_le));  in btrfs_uuid_tree_add()
148 int btrfs_uuid_tree_remove(struct btrfs_trans_handle *trans, const u8 *uuid, u8 type,  in btrfs_uuid_tree_remove()  argument
151 	struct btrfs_fs_info *fs_info = trans->fs_info;  in btrfs_uuid_tree_remove()
177 	ret = btrfs_search_slot(trans, uuid_root, &key, path, -1, 1);  in btrfs_uuid_tree_remove()
215 		ret = btrfs_del_item(trans, uuid_root, path);  in btrfs_uuid_tree_remove()
223 	btrfs_truncate_item(trans, path, item_size - sizeof(subid), 1);  in btrfs_uuid_tree_remove()
233 	struct btrfs_trans_handle *trans;  in btrfs_uuid_iter_rem()  local
237 	trans = btrfs_start_transaction(uuid_root, 1);  in btrfs_uuid_iter_rem()
238 	if (IS_ERR(trans)) {  in btrfs_uuid_iter_rem()
239 		ret = PTR_ERR(trans);  in btrfs_uuid_iter_rem()
243 	ret = btrfs_uuid_tree_remove(trans, uuid, type, subid);  in btrfs_uuid_iter_rem()
244 	btrfs_end_transaction(trans);  in btrfs_uuid_iter_rem()
405 	struct btrfs_trans_handle *trans = NULL;  in btrfs_uuid_scan_kthread()  local
451 			if (trans)  in btrfs_uuid_scan_kthread()
459 			trans = btrfs_start_transaction(fs_info->uuid_root, 2);  in btrfs_uuid_scan_kthread()
460 			if (IS_ERR(trans)) {  in btrfs_uuid_scan_kthread()
461 				ret = PTR_ERR(trans);  in btrfs_uuid_scan_kthread()
471 			ret = btrfs_uuid_tree_add(trans, root_item.uuid,  in btrfs_uuid_scan_kthread()
482 			ret = btrfs_uuid_tree_add(trans,  in btrfs_uuid_scan_kthread()
495 		if (trans) {  in btrfs_uuid_scan_kthread()
496 			ret = btrfs_end_transaction(trans);  in btrfs_uuid_scan_kthread()
497 			trans = NULL;  in btrfs_uuid_scan_kthread()
519 	if (trans && !IS_ERR(trans))  in btrfs_uuid_scan_kthread()
520 		btrfs_end_transaction(trans);  in btrfs_uuid_scan_kthread()
531 	struct btrfs_trans_handle *trans;  in btrfs_create_uuid_tree()  local
541 	trans = btrfs_start_transaction(tree_root, 2);  in btrfs_create_uuid_tree()
542 	if (IS_ERR(trans))  in btrfs_create_uuid_tree()
543 		return PTR_ERR(trans);  in btrfs_create_uuid_tree()
545 	uuid_root = btrfs_create_tree(trans, BTRFS_UUID_TREE_OBJECTID);  in btrfs_create_uuid_tree()
548 		btrfs_abort_transaction(trans, ret);  in btrfs_create_uuid_tree()
549 		btrfs_end_transaction(trans);  in btrfs_create_uuid_tree()
555 	ret = btrfs_commit_transaction(trans);  in btrfs_create_uuid_tree()