Linux RAID subsystem development
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From: John Garry <john.g.garry@oracle.com>
To: agk@redhat.com, snitzer@kernel.org, mpatocka@redhat.com,
	song@kernel.org, yukuai3@huawei.com, hch@lst.de,
	nilay@linux.ibm.com, axboe@kernel.dk, cem@kernel.org
Cc: dm-devel@lists.linux.dev, linux-kernel@vger.kernel.org,
	linux-raid@vger.kernel.org, linux-block@vger.kernel.org,
	ojaswin@linux.ibm.com, martin.petersen@oracle.com,
	akpm@linux-foundation.org, linux-xfs@vger.kernel.org,
	djwong@kernel.org, John Garry <john.g.garry@oracle.com>
Subject: [PATCH v5 4/6] md/raid10: set chunk_sectors limit
Date: Wed,  9 Jul 2025 10:02:36 +0000	[thread overview]
Message-ID: <20250709100238.2295112-5-john.g.garry@oracle.com> (raw)
In-Reply-To: <20250709100238.2295112-1-john.g.garry@oracle.com>

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>
---
 drivers/md/raid10.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index b74780af4c22..97065bb26f43 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);
-- 
2.43.5


  parent reply	other threads:[~2025-07-09 10:03 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-09 10:02 [PATCH v5 0/6] block/md/dm: set chunk_sectors from stacked dev stripe size John Garry
2025-07-09 10:02 ` [PATCH v5 1/6] ilog2: add max_pow_of_two_factor() John Garry
2025-07-09 10:02 ` [PATCH v5 2/6] block: sanitize chunk_sectors for atomic write limits John Garry
2025-07-10 15:08   ` Jens Axboe
2025-07-10 15:18     ` John Garry
2025-07-09 10:02 ` [PATCH v5 3/6] md/raid0: set chunk_sectors limit John Garry
2025-07-09 10:02 ` John Garry [this message]
2025-07-09 10:02 ` [PATCH v5 5/6] dm-stripe: limit chunk_sectors to the stripe size John Garry
2025-07-10 15:03   ` Mikulas Patocka
2025-07-10 15:29     ` John Garry
2025-07-09 10:02 ` [PATCH v5 6/6] block: use chunk_sectors when evaluating stacked atomic write limits John Garry

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