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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
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