From mboxrd@z Thu Jan  1 00:00:00 1970
From: Josef Bacik <josef@toxicpanda.com>
Subject: Re: [PATCH 1/3] block: Remove redundant parent blkcg_gp check in
 check_scale_change
Date: Mon, 17 Oct 2022 14:23:24 -0400
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 <20220929074055.30080-2-shikemeng@huawei.com>
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To: Kemeng Shi <shikemeng@huawei.com>
Cc: tj@kernel.org, axboe@kernel.dk, cgroups@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org

On Thu, Sep 29, 2022 at 03:40:53PM +0800, Kemeng Shi wrote:
> Function blkcg_iolatency_throttle will make sure blkg->parent is not
> NULL before calls check_scale_change. And function check_scale_change
> is only called in blkcg_iolatency_throttle.
> 
> Signed-off-by: Kemeng Shi <shikemeng@huawei.com>

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

Thanks,

Josef