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