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authorAlasdair G Kergon <agk@redhat.com>2009-01-06 03:05:17 +0000
committerAlasdair G Kergon <agk@redhat.com>2009-01-06 03:05:17 +0000
commit4db6bfe02bdc7dc5048f46dd682a94801d029adc (patch)
tree780a41560ea05266288853204f0d7e4eef4f6355 /drivers/md/dm-exception-store.h
parent1ae25f9c933d1432fbffdf3e126051a974608abf (diff)
downloadtalos-op-linux-4db6bfe02bdc7dc5048f46dd682a94801d029adc.tar.gz
talos-op-linux-4db6bfe02bdc7dc5048f46dd682a94801d029adc.zip
dm snapshot: split out exception store implementations
Move the existing snapshot exception store implementations out into separate files. Later patches will place these behind a new interface in preparation for alternative implementations. Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Diffstat (limited to 'drivers/md/dm-exception-store.h')
-rw-r--r--drivers/md/dm-exception-store.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/md/dm-exception-store.h b/drivers/md/dm-exception-store.h
index 25677df8dd59..78d1acec77e9 100644
--- a/drivers/md/dm-exception-store.h
+++ b/drivers/md/dm-exception-store.h
@@ -122,9 +122,18 @@ static inline void dm_consecutive_chunk_count_inc(struct dm_snap_exception *e)
# endif
+int dm_exception_store_init(void);
+void dm_exception_store_exit(void);
+
/*
* Two exception store implementations.
*/
+int dm_persistent_snapshot_init(void);
+void dm_persistent_snapshot_exit(void);
+
+int dm_transient_snapshot_init(void);
+void dm_transient_snapshot_exit(void);
+
int dm_create_persistent(struct dm_exception_store *store);
int dm_create_transient(struct dm_exception_store *store);
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