1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c
index 6e3cf7e13451..12031c9d3f1e 100644
--- a/drivers/md/dm-raid1.c
+++ b/drivers/md/dm-raid1.c
@@ -1060,6 +1060,7 @@ static int mirror_ctr(struct dm_target *ti, unsigned int argc, char **argv)
         }
 
         ti->private = ms;
+        ti->split_io = ms->rh.region_size;
 
         r = kcopyd_client_create(DM_IO_PAGES, &ms->kcopyd_client);
         if (r) {