1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Copyright (C) 2008 Red Hat. All rights reserved.
4*4882a593Smuzhiyun */
5*4882a593Smuzhiyun
6*4882a593Smuzhiyun #include "ctree.h"
7*4882a593Smuzhiyun #include "disk-io.h"
8*4882a593Smuzhiyun
btrfs_insert_orphan_item(struct btrfs_trans_handle * trans,struct btrfs_root * root,u64 offset)9*4882a593Smuzhiyun int btrfs_insert_orphan_item(struct btrfs_trans_handle *trans,
10*4882a593Smuzhiyun struct btrfs_root *root, u64 offset)
11*4882a593Smuzhiyun {
12*4882a593Smuzhiyun struct btrfs_path *path;
13*4882a593Smuzhiyun struct btrfs_key key;
14*4882a593Smuzhiyun int ret = 0;
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun key.objectid = BTRFS_ORPHAN_OBJECTID;
17*4882a593Smuzhiyun key.type = BTRFS_ORPHAN_ITEM_KEY;
18*4882a593Smuzhiyun key.offset = offset;
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun path = btrfs_alloc_path();
21*4882a593Smuzhiyun if (!path)
22*4882a593Smuzhiyun return -ENOMEM;
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun ret = btrfs_insert_empty_item(trans, root, path, &key, 0);
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun btrfs_free_path(path);
27*4882a593Smuzhiyun return ret;
28*4882a593Smuzhiyun }
29*4882a593Smuzhiyun
btrfs_del_orphan_item(struct btrfs_trans_handle * trans,struct btrfs_root * root,u64 offset)30*4882a593Smuzhiyun int btrfs_del_orphan_item(struct btrfs_trans_handle *trans,
31*4882a593Smuzhiyun struct btrfs_root *root, u64 offset)
32*4882a593Smuzhiyun {
33*4882a593Smuzhiyun struct btrfs_path *path;
34*4882a593Smuzhiyun struct btrfs_key key;
35*4882a593Smuzhiyun int ret = 0;
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun key.objectid = BTRFS_ORPHAN_OBJECTID;
38*4882a593Smuzhiyun key.type = BTRFS_ORPHAN_ITEM_KEY;
39*4882a593Smuzhiyun key.offset = offset;
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun path = btrfs_alloc_path();
42*4882a593Smuzhiyun if (!path)
43*4882a593Smuzhiyun return -ENOMEM;
44*4882a593Smuzhiyun
45*4882a593Smuzhiyun ret = btrfs_search_slot(trans, root, &key, path, -1, 1);
46*4882a593Smuzhiyun if (ret < 0)
47*4882a593Smuzhiyun goto out;
48*4882a593Smuzhiyun if (ret) { /* JDM: Really? */
49*4882a593Smuzhiyun ret = -ENOENT;
50*4882a593Smuzhiyun goto out;
51*4882a593Smuzhiyun }
52*4882a593Smuzhiyun
53*4882a593Smuzhiyun ret = btrfs_del_item(trans, root, path);
54*4882a593Smuzhiyun
55*4882a593Smuzhiyun out:
56*4882a593Smuzhiyun btrfs_free_path(path);
57*4882a593Smuzhiyun return ret;
58*4882a593Smuzhiyun }
59