linux-kernel - Re: [PATCH v5 RESEND 3/5] dm-bufio: Support I/O priority

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Message-ID: <20231219224626.GB38652@quark.localdomain>
Date: Tue, 19 Dec 2023 15:46:26 -0700
From: Eric Biggers <ebiggers@...nel.org>
To: Hongyu Jin <hongyu.jin.cn@...il.com>
Cc: agk@...hat.com, snitzer@...nel.org, mpatocka@...hat.com,
	axboe@...nel.dk, zhiguo.niu@...soc.com, ke.wang@...soc.com,
	yibin.ding@...soc.com, hongyu.jin@...soc.com,
	linux-kernel@...r.kernel.org, dm-devel@...ts.linux.dev,
	linux-block@...r.kernel.org
Subject: Re: [PATCH v5 RESEND 3/5] dm-bufio: Support I/O priority

On Mon, Dec 18, 2023 at 09:27:44AM +0800, Hongyu Jin wrote:
> From: Hongyu Jin <hongyu.jin@...soc.com>
> 
> Add I/O priority parameter for dm_bufio_read() and
> dm_bufio_prefetch().

Needs an explanation for why this is useful.

- Eric