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
btrfs_insert_orphan_item(struct btrfs_trans_handle * trans,struct btrfs_root * root,u64 offset)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
btrfs_del_orphan_item(struct btrfs_trans_handle * trans,struct btrfs_root * root,u64 offset)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