linux-kernel - Re: [PATCH 0/6] workqueue: Make flush_workqueue() also watch flush

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Message-ID: <YRv2XP5F+lv41FE3@slm.duckdns.org>
Date:   Tue, 17 Aug 2021 07:48:12 -1000
From:   Tejun Heo <tj@...nel.org>
To:     Lai Jiangshan <jiangshanlai@...il.com>
Cc:     linux-kernel@...r.kernel.org, lizefan.x@...edance.com,
        lizhe.67@...edance.com, Lai Jiangshan <laijs@...ux.alibaba.com>
Subject: Re: [PATCH 0/6] workqueue: Make flush_workqueue() also watch
 flush_work()

On Tue, Aug 17, 2021 at 09:32:33AM +0800, Lai Jiangshan wrote:
> Due to historical convenience, we used WORK_NO_COLOR for barrier work items
> queued by flush_work().  The color has two purposes:
> 	Not participate in flushing
> 	Not participate in nr_active
> 
> Only the second purpose is obligatory.  So the plan is to mark barrier
> work items inactive without using WORK_NO_COLOR in patch4 so that we can
> assign a flushing color to them in patch5.

This is great work. Applied to wq/for-5.15.

Thanks.

-- 
tejun