From: John Garry <john.g.garry@oracle.com>
Date: Fri, 11 Jul 2025 10:52:56 +0000 (+0000)
Subject: md/raid10: set chunk_sectors limit
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7ef50c4c6a9c36fa3ea6f1681a80c0bf9a797345;p=thirdparty%2Fkernel%2Flinux.git

md/raid10: set chunk_sectors limit

Same as done for raid0, set chunk_sectors limit to appropriately set the
atomic write size limit.

Reviewed-by: Nilay Shroff <nilay@linux.ibm.com>
Reviewed-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: John Garry <john.g.garry@oracle.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Link: https://lore.kernel.org/r/20250711105258.3135198-5-john.g.garry@oracle.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index b74780af4c220..97065bb26f430 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -4004,6 +4004,7 @@ static int raid10_set_queue_limits(struct mddev *mddev)
 	md_init_stacking_limits(&lim);
 	lim.max_write_zeroes_sectors = 0;
 	lim.io_min = mddev->chunk_sectors << 9;
+	lim.chunk_sectors = mddev->chunk_sectors;
 	lim.io_opt = lim.io_min * raid10_nr_stripes(conf);
 	lim.features |= BLK_FEAT_ATOMIC_WRITES;
 	err = mddev_stack_rdev_limits(mddev, &lim, MDDEV_STACK_INTEGRITY);