linux-ext4 - Re: [PATCH] buffer: Associate the meta bio with blkg from buffer page

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <ZtLOUuoxnobhYgrm@slm.duckdns.org>
Date: Fri, 30 Aug 2024 22:03:30 -1000
From: Tejun Heo <tj@...nel.org>
To: Yu Kuai <yukuai1@...weicloud.com>
Cc: Haifeng Xu <haifeng.xu@...pee.com>, viro@...iv.linux.org.uk,
	brauner@...nel.org, jack@...e.cz, tytso@....edu,
	yi.zhang@...weicloud.com, linux-ext4@...r.kernel.org,
	linux-block@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org, "yukuai (C)" <yukuai3@...wei.com>
Subject: Re: [PATCH] buffer: Associate the meta bio with blkg from buffer page

Hello,

On Sat, Aug 31, 2024 at 02:11:08PM +0800, Yu Kuai wrote:
...
> > I think the right way to do it is marking the bio with REQ_META and
> > implement forced charging in blk-throtl similar to blk-iocost.
> 
> This is the exact thing I did in the code I attached in the other
> thread, do you take a look?
> 
> https://lore.kernel.org/all/97fc38e6-a226-5e22-efc2-4405beb6d75b@huaweicloud.com/

Sorry about missing it but yeah that *looks* like the right direction to be
headed. Would you mind testing it and turning it into a proper patch?

Thanks.

-- 
tejun