linux/drivers/md/persistent-data/dm-space-map-checker.h
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   1/*
   2 * Copyright (C) 2011 Red Hat, Inc.
   3 *
   4 * This file is released under the GPL.
   5 */
   6
   7#ifndef SNAPSHOTS_SPACE_MAP_CHECKER_H
   8#define SNAPSHOTS_SPACE_MAP_CHECKER_H
   9
  10#include "dm-space-map.h"
  11
  12/*----------------------------------------------------------------*/
  13
  14/*
  15 * This space map wraps a real on-disk space map, and verifies all of its
  16 * operations.  It uses a lot of memory, so only use if you have a specific
  17 * problem that you're debugging.
  18 *
  19 * Ownership of @sm passes.
  20 */
  21struct dm_space_map *dm_sm_checker_create(struct dm_space_map *sm);
  22struct dm_space_map *dm_sm_checker_create_fresh(struct dm_space_map *sm);
  23
  24/*----------------------------------------------------------------*/
  25
  26#endif
  27