1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Copyright (C) 2008 Red Hat. All rights reserved. 4 */ 5 6 #include "ctree.h" 7 #include "orphan.h" 8 9 int btrfs_insert_orphan_item(struct btrfs_trans_handle *trans, 10 struct btrfs_root *root, u64 offset) 11 { 12 BTRFS_PATH_AUTO_FREE(path); 13 struct btrfs_key key; 14 15 key.objectid = BTRFS_ORPHAN_OBJECTID; 16 key.type = BTRFS_ORPHAN_ITEM_KEY; 17 key.offset = offset; 18 19 path = btrfs_alloc_path(); 20 if (!path) 21 return -ENOMEM; 22 23 return btrfs_insert_empty_item(trans, root, path, &key, 0); 24 } 25 26 int btrfs_del_orphan_item(struct btrfs_trans_handle *trans, 27 struct btrfs_root *root, u64 offset) 28 { 29 BTRFS_PATH_AUTO_FREE(path); 30 struct btrfs_key key; 31 int ret = 0; 32 33 key.objectid = BTRFS_ORPHAN_OBJECTID; 34 key.type = BTRFS_ORPHAN_ITEM_KEY; 35 key.offset = offset; 36 37 path = btrfs_alloc_path(); 38 if (!path) 39 return -ENOMEM; 40 41 ret = btrfs_search_slot(trans, root, &key, path, -1, 1); 42 if (ret < 0) 43 return ret; 44 if (ret) 45 return -ENOENT; 46 47 return btrfs_del_item(trans, root, path); 48 } 49