mirror of
https://github.com/torvalds/linux.git
synced 2024-11-12 07:01:57 +00:00
68 lines
1.7 KiB
C
68 lines
1.7 KiB
C
/*
|
|
* Copyright (C) 2008 Red Hat. All rights reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public
|
|
* License v2 as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public
|
|
* License along with this program; if not, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 021110-1307, USA.
|
|
*/
|
|
|
|
#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;
|
|
btrfs_set_key_type(&key, 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;
|
|
btrfs_set_key_type(&key, 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)
|
|
goto out;
|
|
|
|
ret = btrfs_del_item(trans, root, path);
|
|
|
|
out:
|
|
btrfs_free_path(path);
|
|
return ret;
|
|
}
|