kernel-fxtec-pro1x/drivers/md/persistent-data/dm-space-map-checker.h
Joe Thornber 3241b1d3e0 dm: add persistent data library
The persistent-data library offers a re-usable framework for the storage
and management of on-disk metadata in device-mapper targets.

It's used by the thin-provisioning target in the next patch and in an
upcoming hierarchical storage target.

For further information, please read
Documentation/device-mapper/persistent-data.txt

Signed-off-by: Joe Thornber <thornber@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2011-10-31 20:19:11 +00:00

26 lines
703 B
C

/*
* Copyright (C) 2011 Red Hat, Inc.
*
* This file is released under the GPL.
*/
#ifndef SNAPSHOTS_SPACE_MAP_CHECKER_H
#define SNAPSHOTS_SPACE_MAP_CHECKER_H
#include "dm-space-map.h"
/*----------------------------------------------------------------*/
/*
* This space map wraps a real on-disk space map, and verifies all of its
* operations. It uses a lot of memory, so only use if you have a specific
* problem that you're debugging.
*
* Ownership of @sm passes.
*/
struct dm_space_map *dm_sm_checker_create(struct dm_space_map *sm);
struct dm_space_map *dm_sm_checker_create_fresh(struct dm_space_map *sm);
/*----------------------------------------------------------------*/
#endif