[PATCH 06/11] raid5: don't set the discard_alignment queue limit
- To: Jens Axboe <axboe@kernel.dk>
- Cc: Richard Weinberger <richard@nod.at>, Johannes Berg <johannes@sipsolutions.net>, Josef Bacik <josef@toxicpanda.com>, "Md. Haris Iqbal" <haris.iqbal@ionos.com>, Jack Wang <jinpu.wang@ionos.com>, "Michael S. Tsirkin" <mst@redhat.com>, Jason Wang <jasowang@redhat.com>, Roger Pau Monné <roger.pau@citrix.com>, Mike Snitzer <snitzer@kernel.org>, Song Liu <song@kernel.org>, Stefan Haberland <sth@linux.ibm.com>, Jan Hoeppner <hoeppner@linux.ibm.com>, "Martin K. Petersen" <martin.petersen@oracle.com>, linux-um@lists.infradead.org, linux-block@vger.kernel.org, nbd@other.debian.org, virtualization@lists.linux-foundation.org, xen-devel@lists.xenproject.org, linux-raid@vger.kernel.org, linux-nvme@lists.infradead.org, linux-s390@vger.kernel.org, dm-devel@redhat.com
- Subject: [PATCH 06/11] raid5: don't set the discard_alignment queue limit
- From: Christoph Hellwig <hch@lst.de>
- Date: Mon, 18 Apr 2022 06:53:09 +0200
- Message-id: <[🔎] 20220418045314.360785-7-hch@lst.de>
- In-reply-to: <[🔎] 20220418045314.360785-1-hch@lst.de>
- References: <[🔎] 20220418045314.360785-1-hch@lst.de>
The discard_alignment queue limit is named a bit misleading means the
offset into the block device at which the discard granularity starts.
Setting it to the discard granularity as done by raid5 is mostly
harmless but also useless.
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
drivers/md/raid5.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 59f91e392a2ae..39b0afdf40d0a 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -7749,7 +7749,6 @@ static int raid5_run(struct mddev *mddev)
*/
stripe = stripe * PAGE_SIZE;
stripe = roundup_pow_of_two(stripe);
- mddev->queue->limits.discard_alignment = stripe;
mddev->queue->limits.discard_granularity = stripe;
blk_queue_max_write_zeroes_sectors(mddev->queue, 0);
--
2.30.2
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