linux-kernel - Re: [PATCH 0/4] Some improvements for blk throttle

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Message-ID: <cd26d036-c827-e120-df37-1da81619180f@linux.alibaba.com>
Date:   Tue, 29 Sep 2020 22:52:36 +0800
From:   Baolin Wang <baolin.wang@...ux.alibaba.com>
To:     tj@...nel.org, axboe@...nel.dk
Cc:     baolin.wang7@...il.com, linux-block@...r.kernel.org,
        cgroups@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/4] Some improvements for blk throttle

Hi Jens,

> Hi,
> 
> This patch set did some improvements for blk throttle, please
> help to review. Thanks.

Do you have any comments for this patch set? Thanks.

> 
> Baolin Wang (4):
>    blk-throttle: Remove a meaningless parameter for
>      throtl_downgrade_state()
>    blk-throttle: Avoid getting the current time if tg->last_finish_time
>      is 0
>    blk-throttle: Avoid tracking latency if low limit is invalid
>    blk-throttle: Fix IO hang for a corner case
> 
>   block/blk-throttle.c | 26 ++++++++++++++++----------
>   1 file changed, 16 insertions(+), 10 deletions(-)
>