Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
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linux
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 BTRFS_PATH_AUTO_FREE(path);
13 struct btrfs_key key;
14
15 key.objectid = BTRFS_ORPHAN_OBJECTID;
16 key.type = BTRFS_ORPHAN_ITEM_KEY;
17 key.offset = offset;
18
19 path = btrfs_alloc_path();
20 if (!path)
21 return -ENOMEM;
22
23 return btrfs_insert_empty_item(trans, root, path, &key, 0);
24}
25
26int btrfs_del_orphan_item(struct btrfs_trans_handle *trans,
27 struct btrfs_root *root, u64 offset)
28{
29 BTRFS_PATH_AUTO_FREE(path);
30 struct btrfs_key key;
31 int ret = 0;
32
33 key.objectid = BTRFS_ORPHAN_OBJECTID;
34 key.type = BTRFS_ORPHAN_ITEM_KEY;
35 key.offset = offset;
36
37 path = btrfs_alloc_path();
38 if (!path)
39 return -ENOMEM;
40
41 ret = btrfs_search_slot(trans, root, &key, path, -1, 1);
42 if (ret < 0)
43 return ret;
44 if (ret)
45 return -ENOENT;
46
47 return btrfs_del_item(trans, root, path);
48}