btrfs-progs/kernel-shared/uuid-tree.h

36 lines
1.3 KiB
C

/*
* 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.
*/
#ifndef __BTRFS_UUID_TREE_H__
#define __BTRFS_UUID_TREE_H__
#include "kerncompat.h"
#include "kernel-shared/uapi/btrfs_tree.h"
/* uuid-tree.c, interface for mounted mounted filesystem */
int btrfs_lookup_uuid_subvol_item(int fd, const u8 *uuid, u64 *subvol_id);
int btrfs_lookup_uuid_received_subvol_item(int fd, const u8 *uuid,
u64 *subvol_id);
/* uuid-tree.c, interface for unmounte filesystem */
int btrfs_uuid_tree_remove(struct btrfs_trans_handle *trans, u8 *uuid, u8 type,
u64 subid);
void btrfs_uuid_to_key(const u8 *uuid, u8 type, struct btrfs_key *key);
int btrfs_uuid_tree_add(struct btrfs_trans_handle *trans, const u8 *uuid, u8 type,
u64 subid_cpu);
#endif