linux-kernel - Re: [PATCHv2 1/1] block: introduce content activity based ioprio

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Date: Wed, 24 Jan 2024 01:38:51 -0800
From: Christoph Hellwig <hch@...radead.org>
To: Zhaoyang Huang <huangzhaoyang@...il.com>
Cc: Christoph Hellwig <hch@...radead.org>,
	"zhaoyang.huang" <zhaoyang.huang@...soc.com>,
	Jens Axboe <axboe@...nel.dk>, linux-block@...r.kernel.org,
	linux-kernel@...r.kernel.org, steve.kang@...soc.com
Subject: Re: [PATCHv2 1/1] block: introduce content activity based ioprio

The I/O priority can be explicitly set by the submitter, task and
blkcg arre jut fallbacks.

And as said multiple times now bio_add_page must just treat the page
as a physical address container.  It must never look at MM-internal
flags.