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

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Message-ID: <c4b3b8c3-890a-59d1-623a-3341abcf290e@bytedance.com>
Date:   Tue, 15 Feb 2022 20:10:05 +0800
From:   Chengming Zhou <zhouchengming@...edance.com>
To:     Tejun Heo <tj@...nel.org>
Cc:     axboe@...nel.dk, boris@....io, cgroups@...r.kernel.org,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [Phishing Risk] [External] Re: [PATCH] blk-cgroup: set blkg
 iostat after percpu stat aggregation

On 2022/2/15 2:59 上午, Tejun Heo wrote:
> 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.

I'm also not sure, since the io.stat reports correct data after all. I put
the Fixes tag here in case someone wants it. Please feel free to delete it.

Thanks.

> 
>> Signed-off-by: Chengming Zhou <zhouchengming@...edance.com>
> 
> but other than that,
> 
> Acked-by: Tejun Heo <tj@...nel.org>
> 
> Thanks.
>