From: John Garry <john.g.garry@oracle.com>
Date: Thu, 16 Jan 2025 17:02:59 +0000 (+0000)
Subject: dm-stripe: Enable atomic writes
X-Git-Tag: next-20250121~80^2~2
X-Git-Url: https://gentwo.org/gitweb/?a=commitdiff_plain;h=30b88ed06f8018b33e034c86d30d67b93f6aca12;p=linux%2F.git

dm-stripe: Enable atomic writes

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@oracle.com>
Reviewed-by: Mike Snitzer <snitzer@kernel.org>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
---

diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c
index 4112071de0be..3786ac67cefe 100644
--- a/drivers/md/dm-stripe.c
+++ b/drivers/md/dm-stripe.c
@@ -465,8 +465,9 @@ 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,
+	.version = {1, 7, 0},
+	.features = DM_TARGET_PASSES_INTEGRITY | DM_TARGET_NOWAIT |
+		    DM_TARGET_ATOMIC_WRITES,
 	.module = THIS_MODULE,
 	.ctr    = stripe_ctr,
 	.dtr    = stripe_dtr,