blob: 3c0d52af4f806365bcd601208e00f25931ab29f2 [file] [log] [blame]
Josef Bacik7b128762008-07-24 12:17:14 -04001/*
2 * Copyright (C) 2008 Red Hat. All rights reserved.
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public
6 * License v2 as published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public
14 * License along with this program; if not, write to the
15 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
16 * Boston, MA 021110-1307, USA.
17 */
18
19#include "ctree.h"
20#include "disk-io.h"
21
22int btrfs_insert_orphan_item(struct btrfs_trans_handle *trans,
23 struct btrfs_root *root, u64 offset)
24{
25 struct btrfs_path *path;
26 struct btrfs_key key;
27 int ret = 0;
28
29 key.objectid = BTRFS_ORPHAN_OBJECTID;
30 btrfs_set_key_type(&key, BTRFS_ORPHAN_ITEM_KEY);
31 key.offset = offset;
32
33 path = btrfs_alloc_path();
34 if (!path)
35 return -ENOMEM;
36
37 ret = btrfs_insert_empty_item(trans, root, path, &key, 0);
38
39 btrfs_free_path(path);
40 return ret;
41}
42
43int btrfs_del_orphan_item(struct btrfs_trans_handle *trans,
44 struct btrfs_root *root, u64 offset)
45{
46 struct btrfs_path *path;
47 struct btrfs_key key;
48 int ret = 0;
49
50 key.objectid = BTRFS_ORPHAN_OBJECTID;
51 btrfs_set_key_type(&key, BTRFS_ORPHAN_ITEM_KEY);
52 key.offset = offset;
53
54 path = btrfs_alloc_path();
55 if (!path)
56 return -ENOMEM;
57
58 ret = btrfs_search_slot(trans, root, &key, path, -1, 1);
59 if (ret)
60 goto out;
61
62 ret = btrfs_del_item(trans, root, path);
63
64out:
65 btrfs_free_path(path);
66 return ret;
67}