linux-kernel - Re: [PATCH] blk-cgroup: set blkg iostat after percpu stat aggregation

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Message-ID: <Ygqmjsbu96+UZDw+@slm.duckdns.org>
Date:   Mon, 14 Feb 2022 08:59:26 -1000
From:   Tejun Heo <tj@...nel.org>
To:     Chengming Zhou <zhouchengming@...edance.com>
Cc:     axboe@...nel.dk, boris@....io, cgroups@...r.kernel.org,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] blk-cgroup: set blkg iostat after percpu stat aggregation

On Sun, Feb 13, 2022 at 04:59:02PM +0800, Chengming Zhou wrote:
> Don't need to do blkg_iostat_set for top blkg iostat on each CPU,
> so move it after percpu stat aggregation.
> 
> Fixes: ef45fe470e1e ("blk-cgroup: show global disk stats in root cgroup
> io.stat")

I'm not sure Fixes tag is necessary here.

> Signed-off-by: Chengming Zhou <zhouchengming@...edance.com>

but other than that,

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

Thanks.

-- 
tejun