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>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/md/dm-exception-store.c b/drivers/md/dm-exception-store.c
index fe0cfa677139..59c949b53106 100644
--- a/drivers/md/dm-exception-store.c
+++ b/drivers/md/dm-exception-store.c
@@ -138,6 +138,8 @@ int dm_exception_store_type_unregister(struct dm_exception_store_type *type)
 EXPORT_SYMBOL(dm_exception_store_type_unregister);
 
 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)
 {
         int r = 0;
@@ -157,6 +159,10 @@ int dm_exception_store_create(const char *type_name, struct dm_target *ti,
         tmp_store->type = type;
         tmp_store->ti = ti;
 
+        tmp_store->chunk_size = chunk_size;
+        tmp_store->chunk_mask = chunk_mask;
+        tmp_store->chunk_shift = chunk_shift;
+
         r = type->ctr(tmp_store, 0, NULL);
         if (r) {
                 put_type(type);