linux-kernel - Re: [PATCH RFT 1/3] blk-mq: Drop busy_iter_fn blk_mq_hw

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Message-ID: <YYnks3nfRCIuekD2@T590>
Date:   Tue, 9 Nov 2021 11:02:11 +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, kashyap.desai@...adcom.com,
        hare@...e.de
Subject: Re: [PATCH RFT 1/3] blk-mq: Drop busy_iter_fn blk_mq_hw_ctx argument

On Tue, Nov 02, 2021 at 07:27:33PM +0800, John Garry wrote:
> The only user of blk_mq_hw_ctx blk_mq_hw_ctx argument is
> blk_mq_rq_inflight().
> 
> Function blk_mq_rq_inflight() uses the hctx to find the associated request
> queue to match against the request. However this same check is already
> done in caller bt_iter(), so drop this check.
> 
> With that change there are no more users of busy_iter_fn blk_mq_hw_ctx
> argument, so drop the argument.
> 
> Signed-off-by: John Garry <john.garry@...wei.com>
> ---

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

-- 
Ming