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3241b1d3e0
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>
27 lines
703 B
C
27 lines
703 B
C
/*
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* Copyright (C) 2011 Red Hat, Inc.
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*
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* This file is released under the GPL.
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*/
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#ifndef SNAPSHOTS_SPACE_MAP_CHECKER_H
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#define SNAPSHOTS_SPACE_MAP_CHECKER_H
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#include "dm-space-map.h"
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/*----------------------------------------------------------------*/
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/*
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* This space map wraps a real on-disk space map, and verifies all of its
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* operations. It uses a lot of memory, so only use if you have a specific
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* problem that you're debugging.
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*
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* Ownership of @sm passes.
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*/
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struct dm_space_map *dm_sm_checker_create(struct dm_space_map *sm);
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struct dm_space_map *dm_sm_checker_create_fresh(struct dm_space_map *sm);
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/*----------------------------------------------------------------*/
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#endif
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