From mboxrd@z Thu Jan  1 00:00:00 1970
From: Josef Bacik <josef@toxicpanda.com>
Subject: Re: [PATCH 13/15] blkcg: change blkg reference counting to use
 percpu_ref
Date: Fri, 31 Aug 2018 11:49:41 -0400
Message-ID: <20180831154939.sb24oz7ekxcwkkfd@destiny>
References: <20180831015356.69796-1-dennisszhou@gmail.com>
 <20180831015356.69796-14-dennisszhou@gmail.com>
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To: Dennis Zhou <dennisszhou@gmail.com>
Cc: Jens Axboe <axboe@kernel.dk>, Tejun Heo <tj@kernel.org>, 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 09:53:54PM -0400, Dennis Zhou wrote:
> From: "Dennis Zhou (Facebook)" <dennisszhou@gmail.com>
> 
> Now that every bio is associated with a blkg, this puts the use of
> blkg_get, blkg_try_get, and blkg_put on the hot path. This switches over
> the refcnt in blkg to use percpu_ref.
> 
> Signed-off-by: Dennis Zhou <dennisszhou@gmail.com>

Reviewed-by: Josef Bacik <josef@toxicpanda.com>

Thanks,

Josef