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From: Ming Lei <ming.lei@redhat.com>
To: Jens Axboe <axboe@kernel.dk>, linux-block@vger.kernel.org
Subject: Re: [PATCH 0/5] loop: improve loop aio perf by IOCB_NOWAIT
Date: Sun, 9 Mar 2025 00:20:07 +0800	[thread overview]
Message-ID: <Z8xuN2mk8ZBFIq0s@fedora> (raw)
In-Reply-To: <20250308161504.1639157-1-ming.lei@redhat.com>

On Sun, Mar 09, 2025 at 12:14:50AM +0800, Ming Lei wrote:
> Hello Jens,
> 
> This patchset improves loop aio perf by using IOCB_NOWAIT for avoiding to queue aio
> command to workqueue context, meantime refactor lo_rw_aio() a bit.
> 
> The last patch adds MQ support, which improves perf a bit in case of multiple
> IO jobs.
> 
> In my test VM, loop disk perf becomes very close to perf of the backing block
> device(nvme/mq virtio-scsi).
> 
> Thanks,
> Ming

Please ignore this patchset, since several unrelated patches are included
accidentally.


Thanks,
Ming


      parent reply	other threads:[~2025-03-08 16:20 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-03-08 16:14 [PATCH 0/5] loop: improve loop aio perf by IOCB_NOWAIT Ming Lei
2025-03-08 16:14 ` [PATCH 1/2] block: loop: share code of reread partitions Ming Lei
2025-03-08 16:17   ` Ming Lei
2025-03-08 16:14 ` [PATCH] loop: fallback to buffered IO in case of dio submission failure Ming Lei
2025-03-08 16:14 ` [PATCH 1/5] loop: remove 'rw' parameter from lo_rw_aio() Ming Lei
2025-03-08 16:14 ` [PATCH 2/2] block: loop: delete partitions after clearing & changing fd Ming Lei
2025-03-08 16:14 ` [PATCH 2/5] loop: cleanup lo_rw_aio() Ming Lei
2025-03-08 16:14 ` [PATCH 3/5] loop: add helper loop_queue_work_prep Ming Lei
2025-03-08 16:14 ` [PATCH 4/5] loop: try to handle loop aio command via NOWAIT IO first Ming Lei
2025-03-08 16:14 ` [PATCH 5/5] loop: add module parameter of 'nr_hw_queues' Ming Lei
2025-03-08 16:20 ` Ming Lei [this message]

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