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 "disk-io.h" 8 #include "orphan.h" 9 10 int btrfs_insert_orphan_item(struct btrfs_trans_handle *trans, 11 struct btrfs_root *root, u64 offset) 12 { 13 struct btrfs_path *path; 14 struct btrfs_key key; 15 int ret = 0; 16 17 key.objectid = BTRFS_ORPHAN_OBJECTID; 18 key.type = BTRFS_ORPHAN_ITEM_KEY; 19 key.offset = offset; 20 21 path = btrfs_alloc_path(); 22 if (!path) 23 return -ENOMEM; 24 25 ret = btrfs_insert_empty_item(trans, root, path, &key, 0); 26 27 btrfs_free_path(path); 28 return ret; 29 } 30 31 int btrfs_del_orphan_item(struct btrfs_trans_handle *trans, 32 struct btrfs_root *root, u64 offset) 33 { 34 struct btrfs_path *path; 35 struct btrfs_key key; 36 int ret = 0; 37 38 key.objectid = BTRFS_ORPHAN_OBJECTID; 39 key.type = BTRFS_ORPHAN_ITEM_KEY; 40 key.offset = offset; 41 42 path = btrfs_alloc_path(); 43 if (!path) 44 return -ENOMEM; 45 46 ret = btrfs_search_slot(trans, root, &key, path, -1, 1); 47 if (ret < 0) 48 goto out; 49 if (ret) { /* JDM: Really? */ 50 ret = -ENOENT; 51 goto out; 52 } 53 54 ret = btrfs_del_item(trans, root, path); 55 56 out: 57 btrfs_free_path(path); 58 return ret; 59 } 60