From: Jens Axboe <axboe@kernel.dk>
To: Ming Lei <ming.lei@redhat.com>
Cc: linux-block@vger.kernel.org, yangerkun <yangerkun@huawei.com>,
Damien Le Moal <damien.lemoal@wdc.com>
Subject: Re: [PATCH] block: avoid to quiesce queue in elevator_init_mq
Date: Wed, 17 Nov 2021 07:43:34 -0700 [thread overview]
Message-ID: <163716021436.208920.8677969979207220917.b4-ty@kernel.dk> (raw)
In-Reply-To: <20211117115502.1600950-1-ming.lei@redhat.com>
On Wed, 17 Nov 2021 19:55:02 +0800, Ming Lei wrote:
> elevator_init_mq() is only called before adding disk, when there isn't
> any FS I/O, only passthrough requests can be queued, so freezing queue
> plus canceling dispatch work is enough to drain any dispatch activities,
> then we can avoid synchronize_srcu() in blk_mq_quiesce_queue().
>
> Long boot latency issue can be fixed in case of lots of disks added
> during booting.
>
> [...]
Applied, thanks!
[1/1] block: avoid to quiesce queue in elevator_init_mq
commit: 245a489e81e13dd55ae46d27becf6d5901eb7828
Best regards,
--
Jens Axboe
prev parent reply other threads:[~2021-11-17 14:43 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-17 11:55 [PATCH] block: avoid to quiesce queue in elevator_init_mq Ming Lei
2021-11-17 14:43 ` Jens Axboe [this message]
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