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}

 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
 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}