1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright (C) 2011 Red Hat, Inc.
4  *
5  * This file is released under the GPL.
6  */
7 
8 #ifndef _LINUX_DM_SPACE_MAP_DISK_H
9 #define _LINUX_DM_SPACE_MAP_DISK_H
10 
11 #include "dm-block-manager.h"
12 
13 struct dm_space_map;
14 struct dm_transaction_manager;
15 
16 /*
17  * Unfortunately we have to use two-phase construction due to the cycle
18  * between the tm and sm.
19  */
20 struct dm_space_map *dm_sm_disk_create(struct dm_transaction_manager *tm,
21 				       dm_block_t nr_blocks);
22 
23 struct dm_space_map *dm_sm_disk_open(struct dm_transaction_manager *tm,
24 				     void *root, size_t len);
25 
26 #endif /* _LINUX_DM_SPACE_MAP_DISK_H */
27