[PATCH RFC v2 6/8] dm-stripe: Enable atomic writes

[John Garry]

Set feature flag DM_TARGET_ATOMIC_WRITES.

Similar to md raid0, the chunk size set in stripe_io_hints() limits the
atomic write unit max.

Signed-off-by: John Garry <john.g.garry@xxxxxxxxxx>
---
 drivers/md/dm-stripe.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c
index 4112071de0be..9add79c234ae 100644
--- a/drivers/md/dm-stripe.c
+++ b/drivers/md/dm-stripe.c
@@ -466,7 +466,8 @@ static void stripe_io_hints(struct dm_target *ti,
 static struct target_type stripe_target = {
 	.name   = "striped",
 	.version = {1, 6, 0},
-	.features = DM_TARGET_PASSES_INTEGRITY | DM_TARGET_NOWAIT,
+	.features = DM_TARGET_PASSES_INTEGRITY | DM_TARGET_NOWAIT |
+		    DM_TARGET_ATOMIC_WRITES,
 	.module = THIS_MODULE,
 	.ctr    = stripe_ctr,
 	.dtr    = stripe_dtr,
-- 
2.31.1