linux-kernel - Re: [PATCH] block: introduce content activity based ioprio

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Message-ID: <9154bfb7-851d-4144-a69e-1aa25b72e8ad@acm.org>
Date: Tue, 23 Jan 2024 07:13:11 -0800
From: Bart Van Assche <bvanassche@....org>
To: "zhaoyang.huang" <zhaoyang.huang@...soc.com>, Jens Axboe
 <axboe@...nel.dk>, linux-block@...r.kernel.org,
 linux-kernel@...r.kernel.org, Zhaoyang Huang <huangzhaoyang@...il.com>,
 steve.kang@...soc.com
Subject: Re: [PATCH] block: introduce content activity based ioprio

On 1/23/24 01:33, zhaoyang.huang wrote:
> +	activity += (bio->bi_vcnt <= IOPRIO_NR_ACTIVITY && PageWorkingset(page)) ? 1 : 0;
> +	bio->bi_ioprio = IOPRIO_PRIO_VALUE_ACTIVITY(class, level, hint, activity);

Shouldn't any code that is related to the page cache occur in filesystem code
(fs/) instead of in the block layer (block/)?

Thanks,

Bart.