linux-kernel - Re: [PATCH RESEND v6 7/8] blk-throttle: cleanup tg_update

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Message-ID: <YuGHLlBw55lBx1IE@slm.duckdns.org>
Date:   Wed, 27 Jul 2022 08:42:54 -1000
From:   Tejun Heo <tj@...nel.org>
To:     Yu Kuai <yukuai1@...weicloud.com>
Cc:     mkoutny@...e.com, axboe@...nel.dk, ming.lei@...hat.com,
        cgroups@...r.kernel.org, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org, yukuai3@...wei.com,
        yi.zhang@...wei.com
Subject: Re: [PATCH RESEND v6 7/8] blk-throttle: cleanup tg_update_disptime()

On Fri, Jul 01, 2022 at 05:34:40PM +0800, Yu Kuai wrote:
> From: Yu Kuai <yukuai3@...wei.com>
> 
> th_update_disptime() only need to adjust postion for 'tg' in
  ^                         ^
  tg                        needs

> 'parent_sq', there is no need to call throtl_enqueue/dequeue_tg().

What are we gaining / losing by changing this? Why is this better?

Thanks.

-- 
tejun