linux-kernel - Re: [PATCH 3/4] blk-mq: delete superfluous check in iterate callback

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Message-ID: <59eb0dc2-1f95-1bca-74d2-b6e04826a83f@acm.org>
Date:   Mon, 21 Aug 2023 14:29:23 -0700
From:   Bart Van Assche <bvanassche@....org>
To:     chengming.zhou@...ux.dev, axboe@...nel.dk, ming.lei@...hat.com,
        hch@....de
Cc:     linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        zhouchengming@...edance.com
Subject: Re: [PATCH 3/4] blk-mq: delete superfluous check in iterate callback

On 8/21/23 00:35, chengming.zhou@...ux.dev wrote:
> From: Chengming Zhou <zhouchengming@...edance.com>
> 
> The blk_mq_queue_tag_busy_iter() already has BT_TAG_ITER_STARTED flag
> filter set, only started requests will be iterated over.

Please consider changing the description of this patch into something like
the following: "The previous patch in this series changed the behavior of
blk_mq_queue_tag_busy_iter() from iterating over all allocated tags into
iterating over started requests only. Leave out the code from
blk_mq_rq_inflight() that became superfluous because of this change."

Thanks,

Bart.