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Date:   Fri, 17 May 2019 09:09:25 -0600
From:   Keith Busch <kbusch@kernel.org>
To:     Akinobu Mita <akinobu.mita@gmail.com>
Cc:     "Heitke, Kenneth" <kenneth.heitke@intel.com>,
        linux-nvme@lists.infradead.org, linux-pm@vger.kernel.org,
        Keith Busch <keith.busch@intel.com>,
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        Eduardo Valentin <edubezval@gmail.com>,
        Zhang Rui <rui.zhang@intel.com>, Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH 1/2] nvme: add thermal zone infrastructure
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On Sat, May 18, 2019 at 12:01:57AM +0900, Akinobu Mita wrote:
> 
> This is work_struct, not workqueue.  So it can't be destroyed.
> But I noticed that we should call flush_work for thermal_work at
> unregistering thermal zone devices.

Instead of creating yet-another-work_struct, let's append this event's
action to the existing async_event_work.