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From: Pavel Begunkov <asml.silence@gmail.com>
To: Hao Xu <haoxu@linux.alibaba.com>, io-uring@vger.kernel.org
Cc: Jens Axboe <axboe@kernel.dk>, Joseph Qi <joseph.qi@linux.alibaba.com>
Subject: Re: [PATCH 5.15] io_uring: apply max_workers limit to all future users
Date: Wed, 20 Oct 2021 11:48:34 +0100	[thread overview]
Message-ID: <67458cdf-9645-cd3b-bf83-ec5329bc160d@gmail.com> (raw)
In-Reply-To: <67688dc3-e28a-5457-0984-90df0f2bcfc5@linux.alibaba.com>

On 10/20/21 09:52, Hao Xu wrote:
> 在 2021/10/20 上午6:43, Pavel Begunkov 写道:
> Hi Pavel,
> The ctx->iowq_limits_set limits the future ctx users, but not the past
> ones, how about update the numbers for all the current ctx users here?
> I know the number of workers that a current user uses may already
> exceeds the newest limitation, but at least this will make it not to
> grow any more, and may decrement it to the limitation some time later.

Indeed, that was the idea! Though it's a bit trickier, would need
ctx->tctx_list traversal, and before putting it in I wanted to take
a look at another problem related to ->tctx_list. I hope to get that
done asap for 5.15.

-- 
Pavel Begunkov

      reply	other threads:[~2021-10-20 10:48 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-19 22:43 [PATCH 5.15] io_uring: apply max_workers limit to all future users Pavel Begunkov
2021-10-19 23:14 ` Jens Axboe
2021-10-20  0:23 ` Jens Axboe
2021-10-20  8:52 ` Hao Xu
2021-10-20 10:48   ` Pavel Begunkov [this message]

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