dm exception store: move chunk_fields
Move chunk fields from snapshot to exception store.
Signed-off-by: Jonathan Brassow <jbrassow@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
diff --git a/drivers/md/dm-exception-store.h b/drivers/md/dm-exception-store.h
index 4b7f7d4..449a1e4 100644
--- a/drivers/md/dm-exception-store.h
+++ b/drivers/md/dm-exception-store.h
@@ -99,6 +99,11 @@
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_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);