diff options
Diffstat (limited to 'drivers/md/dm-exception-store.h')
| -rw-r--r-- | drivers/md/dm-exception-store.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/md/dm-exception-store.h b/drivers/md/dm-exception-store.h index 4b7f7d441f5f..449a1e48f7aa 100644 --- a/drivers/md/dm-exception-store.h +++ b/drivers/md/dm-exception-store.h @@ -99,6 +99,11 @@ struct dm_exception_store { struct dm_snapshot *snap; + /* Size of data blocks saved - must be a power of 2 */ + chunk_t chunk_size; + chunk_t chunk_mask; + chunk_t chunk_shift; + void *context; }; @@ -149,6 +154,8 @@ int dm_exception_store_type_register(struct dm_exception_store_type *type); int dm_exception_store_type_unregister(struct dm_exception_store_type *type); int dm_exception_store_create(const char *type_name, struct dm_target *ti, + chunk_t chunk_size, chunk_t chunk_mask, + chunk_t chunk_shift, struct dm_exception_store **store); void dm_exception_store_destroy(struct dm_exception_store *store); |