From: Damien Le Moal <dlemoal@kernel.org>
To: Christoph Hellwig <hch@lst.de>, Jens Axboe <axboe@kernel.dk>
Cc: linux-block@vger.kernel.org
Subject: Re: [PATCH 5/5] blk-mq: remove __blk_mq_run_hw_queue
Date: Thu, 13 Apr 2023 15:27:59 +0900 [thread overview]
Message-ID: <d8f608bf-8b05-4e10-09cb-01f50a275b1c@kernel.org> (raw)
In-Reply-To: <20230413060651.694656-6-hch@lst.de>
On 4/13/23 15:06, Christoph Hellwig wrote:
> __blk_mq_run_hw_queue just contains a WARN_ON_ONCE for calls from
> interrupt context and a blk_mq_run_dispatch_ops-protected call to
> blk_mq_sched_dispatch_requests. Open code the call to
> blk_mq_sched_dispatch_requests in both callers, and move the WARN_ON_ONCE
> to blk_mq_run_hw_queue where it can be extented to all !async calls,
s/extented/extended
> while the other call is from workqueue context and thus obviously does
> not need the assert.
>
> Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
next prev parent reply other threads:[~2023-04-13 6:28 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-13 6:06 cleanup blk_mq_run_hw_queue v2 Christoph Hellwig
2023-04-13 6:06 ` [PATCH 1/5] blk-mq: cleanup __blk_mq_sched_dispatch_requests Christoph Hellwig
2023-04-13 6:23 ` Damien Le Moal
2023-04-13 12:55 ` Jens Axboe
2023-04-13 6:06 ` [PATCH 2/5] blk-mq: remove the blk_mq_hctx_stopped check in blk_mq_run_work_fn Christoph Hellwig
2023-04-13 6:24 ` Damien Le Moal
2023-04-13 6:06 ` [PATCH 3/5] blk-mq: move the blk_mq_hctx_stopped check in __blk_mq_delay_run_hw_queue Christoph Hellwig
2023-04-13 6:26 ` Damien Le Moal
2023-04-13 6:06 ` [PATCH 4/5] blk-mq: move the !async handling out of __blk_mq_delay_run_hw_queue Christoph Hellwig
2023-04-13 6:06 ` [PATCH 5/5] blk-mq: remove __blk_mq_run_hw_queue Christoph Hellwig
2023-04-13 6:27 ` Damien Le Moal [this message]
2023-04-13 13:11 ` cleanup blk_mq_run_hw_queue v2 Jens Axboe
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