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
9int 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
30int 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
55out:
56	btrfs_free_path(path);
57	return ret;
58}
59