linux-kernel - [PATCH 1/1] dm: Enable inline crypto passthrough for striped target

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Message-ID: <20250216144224.1702385-2-ed.tsai@mediatek.com>
Date: Sun, 16 Feb 2025 22:42:21 +0800
From: <ed.tsai@...iatek.com>
To: Alasdair Kergon <agk@...hat.com>, Mike Snitzer <snitzer@...nel.org>,
	Mikulas Patocka <mpatocka@...hat.com>, Matthias Brugger
	<matthias.bgg@...il.com>, AngeloGioacchino Del Regno
	<angelogioacchino.delregno@...labora.com>
CC: <linux-block@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>, <linux-mediatek@...ts.infradead.org>,
	<chun-hung.wu@...iatek.com>, Ed Tsai <ed.tsai@...iatek.com>,
	<dm-devel@...ts.linux.dev>
Subject: [PATCH 1/1] dm: Enable inline crypto passthrough for striped target

From: Ed Tsai <ed.tsai@...iatek.com>

Added DM_TARGET_PASSES_CRYPTO feature to the striped target to utilize
the hardware encryption of the underlying storage devices, preventing
fallback to the crypto API.

Signed-off-by: Ed Tsai <ed.tsai@...iatek.com>
---
 drivers/md/dm-stripe.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c
index 3786ac67cefe..a1b7535c508a 100644
--- a/drivers/md/dm-stripe.c
+++ b/drivers/md/dm-stripe.c
@@ -467,7 +467,7 @@ static struct target_type stripe_target = {
 	.name   = "striped",
 	.version = {1, 7, 0},
 	.features = DM_TARGET_PASSES_INTEGRITY | DM_TARGET_NOWAIT |
-		    DM_TARGET_ATOMIC_WRITES,
+		    DM_TARGET_ATOMIC_WRITES | DM_TARGET_PASSES_CRYPTO,
 	.module = THIS_MODULE,
 	.ctr    = stripe_ctr,
 	.dtr    = stripe_dtr,
-- 
2.45.2