linux-kernel - [PATCH 7/7] md/raid0: align bio to io

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Message-ID: <20251121051406.1316884-9-yukuai@fnnas.com>
Date: Fri, 21 Nov 2025 13:14:06 +0800
From: Yu Kuai <yukuai@...as.com>
To: song@...nel.org,
	yukuai@...as.com
Cc: linux-raid@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linan122@...wei.com,
	xni@...hat.com
Subject: [PATCH 7/7] md/raid0: align bio to io_opt

The impact is not so significant for raid0 compared to raid5, however
it's still more appropriate to issue IOs evenly to underlying disks.

Signed-off-by: Yu Kuai <yukuai@...as.com>
---
 drivers/md/raid0.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index 47aee1b1d4d1..332f413bcf51 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -388,6 +388,8 @@ static int raid0_set_limits(struct mddev *mddev)
 	err = mddev_stack_rdev_limits(mddev, &lim, MDDEV_STACK_INTEGRITY);
 	if (err)
 		return err;
+
+	md_config_align_limits(mddev, &lim);
 	return queue_limits_set(mddev->gendisk->queue, &lim);
 }
 
-- 
2.51.0