drivers/md/persistent-data/dm-space-map-disk.h

   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 */