linux-kernel - Re: [PATCH 5/7] mq-deadline: covert to use request_queue->async

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Message-ID: <x497bxdrv3o.fsf@segfault.usersys.redhat.com>
Date: Thu, 02 Oct 2025 14:56:11 -0400
From: Jeff Moyer <jmoyer@...hat.com>
To: Yu Kuai <yukuai1@...weicloud.com>
Cc: axboe@...nel.dk,  bvanassche@....org,  ming.lei@...hat.com,
  nilay@...ux.ibm.com,  linux-block@...r.kernel.org,
  linux-kernel@...r.kernel.org,  yukuai3@...wei.com,  yi.zhang@...wei.com,
  yangerkun@...wei.com,  johnny.chenyi@...wei.com
Subject: Re: [PATCH 5/7] mq-deadline: covert to use request_queue->async_depth

Yu Kuai <yukuai1@...weicloud.com> writes:

> Fix this problem by converting to request_queue->async_depth, where
> min_shallow_depth is set each time async_depth is updated.

Removing the iosched/async_depth attribute may cause problems for
existing scripts or udev rules.  I'm not sure if we care, but the
changelog does not seem to address this.

-Jeff