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Re: [PATCH 11/14] sd: convert to the atomic queue limits API
- To: Christoph Hellwig <hch@xxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>
- From: John Garry <john.g.garry@xxxxxxxxxx>
- Date: Fri, 31 May 2024 12:34:47 +0100
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- Cc: Richard Weinberger <richard@xxxxxx>, Anton Ivanov <anton.ivanov@xxxxxxxxxxxxxxxxxx>, Johannes Berg <johannes@xxxxxxxxxxxxxxxx>, Josef Bacik <josef@xxxxxxxxxxxxxx>, Ilya Dryomov <idryomov@xxxxxxxxx>, Dongsheng Yang <dongsheng.yang@xxxxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, linux-um@xxxxxxxxxxxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, nbd@xxxxxxxxxxxxxxxx, ceph-devel@xxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, linux-scsi@xxxxxxxxxxxxxxx, Damien Le Moal <dlemoal@xxxxxxxxxx>
- Delivery-date: Fri, 31 May 2024 11:35:18 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 31/05/2024 08:48, Christoph Hellwig wrote:
Assign all queue limits through a local queue_limits variable and
queue_limits_commit_update so that we can't race updating them from
multiple places, and freeze the queue when updating them so that
in-progress I/O submissions don't see half-updated limits.
Signed-off-by: Christoph Hellwig<hch@xxxxxx>
Reviewed-by: Damien Le Moal<dlemoal@xxxxxxxxxx>
FWIW,
Reviewed-by: John Garry <john.g.garry@xxxxxxxxxx>
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