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From: Josef Bacik <josef@toxicpanda.com>
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
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	[thread overview]
Message-ID: <Y02dnHeLS+XFO1VH@localhost.localdomain> (raw)
In-Reply-To: <20220929074055.30080-2-shikemeng@huawei.com>

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

  reply	other threads:[~2022-10-17 18:23 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-29  7:40 [PATCH 0/3] A few cleanup patches for blk-iolatency.c Kemeng Shi
2022-09-29  7:40 ` Kemeng Shi
2022-09-29  7:40 ` [PATCH 1/3] block: Remove redundant parent blkcg_gp check in check_scale_change Kemeng Shi
2022-09-29  7:40   ` Kemeng Shi
2022-10-17 18:23   ` Josef Bacik [this message]
2022-09-29  7:40 ` [PATCH 2/3] block: Correct comment for scale_cookie_change Kemeng Shi
2022-09-29  7:40   ` Kemeng Shi
     [not found]   ` <20220929074055.30080-3-shikemeng-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2022-10-17 18:20     ` Josef Bacik
2022-10-17 18:20       ` Josef Bacik
2022-09-29  7:40 ` [PATCH 3/3] block: Replace struct rq_depth with unsigned int in struct iolatency_grp Kemeng Shi
2022-09-29  7:40   ` Kemeng Shi
     [not found]   ` <20220929074055.30080-4-shikemeng-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2022-10-17 18:27     ` Josef Bacik
2022-10-17 18:27       ` Josef Bacik
     [not found] ` <20220929074055.30080-1-shikemeng-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2022-10-17  2:06   ` [PATCH 0/3] A few cleanup patches for blk-iolatency.c Kemeng Shi
2022-10-17  2:06     ` Kemeng Shi

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