[linux-2.6-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"

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"
	8
	9	int 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;
962a298f	17	key.type = BTRFS_ORPHAN_ITEM_KEY;
7b128766 JB	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
	30	int 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;
962a298f	38	key.type = BTRFS_ORPHAN_ITEM_KEY;
7b128766 JB	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);
7e1fea73	46	if (ret < 0)
7b128766	47	goto out;
79787eaa	48	if (ret) { /* JDM: Really? */
7e1fea73 JB	49	ret = -ENOENT;
	50	goto out;
	51	}
7b128766 JB	52
	53	ret = btrfs_del_item(trans, root, path);
	54
	55	out:
	56	btrfs_free_path(path);
	57	return ret;
	58	}