Support the copy operation for the stripe target. In stripe_merge, we verify that the underlying device supports copy. If it doesn't, we can fail fast without any bio being contructed. Signed-off-by: Mikulas Patocka <mpatocka@xxxxxxxxxx> --- drivers/md/dm-stripe.c | 1 + 1 file changed, 1 insertion(+) Index: linux-4.3-rc1/drivers/md/dm-stripe.c =================================================================== --- linux-4.3-rc1.orig/drivers/md/dm-stripe.c 2015-09-14 16:06:36.000000000 +0200 +++ linux-4.3-rc1/drivers/md/dm-stripe.c 2015-09-14 16:23:01.000000000 +0200 @@ -169,6 +169,7 @@ static int stripe_ctr(struct dm_target * ti->num_flush_bios = stripes; ti->num_discard_bios = stripes; ti->num_write_same_bios = stripes; + ti->copy_supported = 1; sc->chunk_size = chunk_size; if (chunk_size & (chunk_size - 1)) -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
