From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tejun Heo <tj@kernel.org>
Subject: Re: [PATCH 10/15] blkcg: remove bio->bi_css and instead use
 bio->bi_blkg
Date: Fri, 31 Aug 2018 17:13:05 -0700
Message-ID: <20180901001305.GH1488037@devbig004.ftw2.facebook.com>
References: <20180831015356.69796-1-dennisszhou@gmail.com>
 <20180831015356.69796-11-dennisszhou@gmail.com>
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To: Dennis Zhou <dennisszhou@gmail.com>
Cc: Jens Axboe <axboe@kernel.dk>, Johannes Weiner <hannes@cmpxchg.org>, Josef Bacik <josef@toxicpanda.com>, kernel-team@fb.com, linux-block@vger.kernel.org, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org

On Thu, Aug 30, 2018 at 09:53:51PM -0400, Dennis Zhou wrote:
> From: "Dennis Zhou (Facebook)" <dennisszhou@gmail.com>
> 
> Prior patches ensured that all bios are now associated with some blkg.
> This now makes bio->bi_css unnecessary as blkg maintains a reference to
> the blkcg already.
> 
> This patch removes the field bi_css and transfers corresponding uses to
> access via bi_blkg.
> 
> Signed-off-by: Dennis Zhou <dennisszhou@gmail.com>

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

Thanks.

-- 
tejun