linux-kernel - Re: [PATCH v4 08/13] blk-mq: Don't clear driver tags own mapping

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Message-ID: <YU/QMLnZP6N1aI5z@T590>
Date:   Sun, 26 Sep 2021 09:43:12 +0800
From:   Ming Lei <ming.lei@...hat.com>
To:     John Garry <john.garry@...wei.com>
Cc:     axboe@...nel.dk, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org,
        hare@...e.de
Subject: Re: [PATCH v4 08/13] blk-mq: Don't clear driver tags own mapping

On Fri, Sep 24, 2021 at 04:28:25PM +0800, John Garry wrote:
> Function blk_mq_clear_rq_mapping() is required to clear the sched tags
> mappings in driver tags rqs[].
> 
> But there is no need for a driver tags to clear its own mapping, so skip
> clearing the mapping in this scenario.
> 
> Signed-off-by: John Garry <john.garry@...wei.com>
> Reviewed-by: Hannes Reinecke <hare@...e.de>

Reviewed-by: Ming Lei <ming.lei@...hat.com>

-- 
Ming