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

#include "ctree.h"
#include "orphan.h"

int btrfs_insert_orphan_item(struct btrfs_trans_handle *trans,
                             struct btrfs_root *root, u64 offset)
{
        BTRFS_PATH_AUTO_FREE(path);
        struct btrfs_key key;

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

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

        return btrfs_insert_empty_item(trans, root, path, &key, 0);
}

int btrfs_del_orphan_item(struct btrfs_trans_handle *trans,
                          struct btrfs_root *root, u64 offset)
{
        BTRFS_PATH_AUTO_FREE(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)
                return ret;
        if (ret)
                return -ENOENT;

        return btrfs_del_item(trans, root, path);
}