linux-kernel - Re: [PATCH 08/15] blkcg: associate a blkg for pages being evicted by swap

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Message-ID: <20180831234759.GF1488037@devbig004.ftw2.facebook.com>
Date:   Fri, 31 Aug 2018 16:47:59 -0700
From:   Tejun Heo <tj@...nel.org>
To:     Dennis Zhou <dennisszhou@...il.com>
Cc:     Jens Axboe <axboe@...nel.dk>, Johannes Weiner <hannes@...xchg.org>,
        Josef Bacik <josef@...icpanda.com>, kernel-team@...com,
        linux-block@...r.kernel.org, cgroups@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 08/15] blkcg: associate a blkg for pages being evicted by
 swap

On Thu, Aug 30, 2018 at 09:53:49PM -0400, Dennis Zhou wrote:
> From: "Dennis Zhou (Facebook)" <dennisszhou@...il.com>
> 
> A prior patch in this series added blkg association to bios issued by
> cgroups. There are two other paths that we want to attribute work back
> to the appropriate cgroup: swap and writeback. Here we modify the way
> swap tags bios to include the blkg. Writeback will be tackle in the next
> patch.
> 
> Signed-off-by: Dennis Zhou <dennisszhou@...il.com>

Acked-by: Tejun Heo <tj@...nel.org>

Thanks.

-- 
tejun