linux-kernel - Re: [PATCH RFC v2 4/4] block/mq-deadline: introduce min_async

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Message-ID: <96556f82-b511-b3ef-01b5-e9a32557db95@huaweicloud.com>
Date: Wed, 18 Dec 2024 09:14:15 +0800
From: Yu Kuai <yukuai1@...weicloud.com>
To: Yu Kuai <yukuai1@...weicloud.com>, Bart Van Assche <bvanassche@....org>,
 axboe@...nel.dk, akpm@...ux-foundation.org, ming.lei@...hat.com,
 yang.yang@...o.com, osandov@...com, paolo.valente@...aro.org
Cc: linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
 yi.zhang@...wei.com, yangerkun@...wei.com, "yukuai (C)" <yukuai3@...wei.com>
Subject: Re: [PATCH RFC v2 4/4] block/mq-deadline: introduce min_async_depth

Hi,

在 2024/12/18 9:12, Yu Kuai 写道:
> 
> Users may not like it that this parameter is read-only.

I can't make this read-write, because set lower value will cause
problems for existing elevator, because wake_batch has to be
updated as well.

Thanks,
Kuai