[linux-block.git] / fs / btrfs / orphan.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (C) 2008 Red Hat.  All rights reserved.
 */

#include "ctree.h"
#include "disk-io.h"
#include "orphan.h"

int btrfs_insert_orphan_item(struct btrfs_trans_handle *trans,
			     struct btrfs_root *root, u64 offset)
{
	struct btrfs_path *path;
	struct btrfs_key key;
	int ret = 0;

	key.objectid = BTRFS_ORPHAN_OBJECTID;
	key.type = BTRFS_ORPHAN_ITEM_KEY;
	key.offset = offset;

	path = btrfs_alloc_path();
	if (!path)
		return -ENOMEM;

	ret = btrfs_insert_empty_item(trans, root, path, &key, 0);

	btrfs_free_path(path);
	return ret;
}

int btrfs_del_orphan_item(struct btrfs_trans_handle *trans,
			  struct btrfs_root *root, u64 offset)
{
	struct btrfs_path *path;
	struct btrfs_key key;
	int ret = 0;

	key.objectid = BTRFS_ORPHAN_OBJECTID;
	key.type = BTRFS_ORPHAN_ITEM_KEY;
	key.offset = offset;

	path = btrfs_alloc_path();
	if (!path)
		return -ENOMEM;

	ret = btrfs_search_slot(trans, root, &key, path, -1, 1);
	if (ret < 0)
		goto out;
	if (ret) { /* JDM: Really? */
		ret = -ENOENT;
		goto out;
	}

	ret = btrfs_del_item(trans, root, path);

out:
	btrfs_free_path(path);
	return ret;
}
Commit	Line	Data
c1d7c514	1	// SPDX-License-Identifier: GPL-2.0
7b128766 JB	2	/*
7b128766 JB	3	* Copyright (C) 2008 Red Hat. All rights reserved.
7b128766 JB	4	*/
	5
	6	#include "ctree.h"
	7	#include "disk-io.h"
aa5d3003	8	#include "orphan.h"
7b128766 JB	9
	10	int btrfs_insert_orphan_item(struct btrfs_trans_handle *trans,
	11	struct btrfs_root *root, u64 offset)
	12	{
	13	struct btrfs_path *path;
	14	struct btrfs_key key;
	15	int ret = 0;
	16
	17	key.objectid = BTRFS_ORPHAN_OBJECTID;
962a298f	18	key.type = BTRFS_ORPHAN_ITEM_KEY;
7b128766 JB	19	key.offset = offset;
	20
	21	path = btrfs_alloc_path();
	22	if (!path)
	23	return -ENOMEM;
	24
	25	ret = btrfs_insert_empty_item(trans, root, path, &key, 0);
	26
	27	btrfs_free_path(path);
	28	return ret;
	29	}
	30
	31	int btrfs_del_orphan_item(struct btrfs_trans_handle *trans,
	32	struct btrfs_root *root, u64 offset)
	33	{
	34	struct btrfs_path *path;
	35	struct btrfs_key key;
	36	int ret = 0;
	37
	38	key.objectid = BTRFS_ORPHAN_OBJECTID;
962a298f	39	key.type = BTRFS_ORPHAN_ITEM_KEY;
7b128766 JB	40	key.offset = offset;
	41
	42	path = btrfs_alloc_path();
	43	if (!path)
	44	return -ENOMEM;
	45
	46	ret = btrfs_search_slot(trans, root, &key, path, -1, 1);
7e1fea73	47	if (ret < 0)
7b128766	48	goto out;
79787eaa	49	if (ret) { /* JDM: Really? */
7e1fea73 JB	50	ret = -ENOENT;
	51	goto out;
	52	}
7b128766 JB	53
	54	ret = btrfs_del_item(trans, root, path);
	55
	56	out:
	57	btrfs_free_path(path);
	58	return ret;
	59	}