From: Baolin Wang <baolin.wang@linux.alibaba.com>
To: axboe@kernel.dk
Cc: ming.lei@redhat.com, baolin.wang7@gmail.com,
linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] blk-mq: Remove unnecessary validation before calling blk_mq_sched_completed_request()
Date: Fri, 10 Jul 2020 16:23:04 +0800 [thread overview]
Message-ID: <20200710082304.GB29262@VM20190228-100.tbsite.net> (raw)
In-Reply-To: <969d0e9f637b2a0dbfb3d284abfbed6fc7665ea4.1593846855.git.baolin.wang7@gmail.com>
Hi,
On Sat, Jul 04, 2020 at 03:28:21PM +0800, Baolin Wang wrote:
> We've already validated the 'q->elevator' before calling ->ops.completed_request()
> in blk_mq_sched_completed_request(), thus no need to validate rq->internal_tag again,
> and remove it.
A gentle ping?
>
> Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com>
> ---
> block/blk-mq.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/block/blk-mq.c b/block/blk-mq.c
> index abcf590f6238..78572b2e1675 100644
> --- a/block/blk-mq.c
> +++ b/block/blk-mq.c
> @@ -550,8 +550,7 @@ inline void __blk_mq_end_request(struct request *rq, blk_status_t error)
> blk_stat_add(rq, now);
> }
>
> - if (rq->internal_tag != BLK_MQ_NO_TAG)
> - blk_mq_sched_completed_request(rq, now);
> + blk_mq_sched_completed_request(rq, now);
>
> blk_account_io_done(rq, now);
>
> --
> 2.17.1
next prev parent reply other threads:[~2020-07-10 8:23 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-04 7:28 [PATCH] blk-mq: Remove unnecessary validation before calling blk_mq_sched_completed_request() Baolin Wang
2020-07-10 8:23 ` Baolin Wang [this message]
2020-07-10 9:47 ` Ming Lei
2020-07-10 14:00 ` Jens Axboe
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