From 49beb2b87a972a994ff77633234ca3bf0d30a1d8 Mon Sep 17 00:00:00 2001 From: Jonathan Brassow Date: Thu, 2 Apr 2009 19:55:33 +0100 Subject: dm exception store: move cow pointer Move COW device from snapshot to exception store. Signed-off-by: Jonathan Brassow Signed-off-by: Alasdair G Kergon --- drivers/md/dm-exception-store.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'drivers/md/dm-exception-store.h') diff --git a/drivers/md/dm-exception-store.h b/drivers/md/dm-exception-store.h index 449a1e48f7a..4dbf3577408 100644 --- a/drivers/md/dm-exception-store.h +++ b/drivers/md/dm-exception-store.h @@ -99,6 +99,8 @@ struct dm_exception_store { struct dm_snapshot *snap; + struct dm_dev *cow; + /* Size of data blocks saved - must be a power of 2 */ chunk_t chunk_size; chunk_t chunk_mask; @@ -155,7 +157,7 @@ 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, + chunk_t chunk_shift, struct dm_dev *cow, struct dm_exception_store **store); void dm_exception_store_destroy(struct dm_exception_store *store); -- cgit v1.2.3