linux-kernel - Re: [PATCH] blk-mq: return when BLK_MQ_S_STOPPED in blk_mq_run_work

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Message-ID: <d6cee6a0-d20a-0055-24f7-a3e625c2f5b3@kernel.dk>
Date:   Mon, 4 Jun 2018 10:21:14 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     Jianchao Wang <jianchao.w.wang@...cle.com>, ming.lei@...hat.com
Cc:     linux-block@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] blk-mq: return when BLK_MQ_S_STOPPED in
 blk_mq_run_work_fn

On 6/4/18 3:03 AM, Jianchao Wang wrote:
> if hctx is stopped, don't run the queue in blk_mq_run_work_fn.

I was puzzled, so had to look up those changes. That's definitely
a regression caused by 15fe8a9, as you highlighted. Looks good to
me, I'll apply it.

BTW, this should have been explained in the commit message. I'll
change it a bit.

-- 
Jens Axboe