linux-kernel - Re: [PATCH v8 0/4] shut down devices asynchronously

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Message-ID: <2024090330-frostily-hazing-f6de@gregkh>
Date: Tue, 3 Sep 2024 13:10:43 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: Stuart Hayes <stuart.w.hayes@...il.com>
Cc: linux-kernel@...r.kernel.org, "Rafael J . Wysocki" <rafael@...nel.org>,
	Martin Belanger <Martin.Belanger@...l.com>,
	Oliver O'Halloran <oohall@...il.com>,
	Daniel Wagner <dwagner@...e.de>, Keith Busch <kbusch@...nel.org>,
	Lukas Wunner <lukas@...ner.de>, David Jeffery <djeffery@...hat.com>,
	Jeremy Allison <jallison@....com>, Jens Axboe <axboe@...com>,
	Christoph Hellwig <hch@....de>, Sagi Grimberg <sagi@...mberg.me>,
	linux-nvme@...ts.infradead.org
Subject: Re: [PATCH v8 0/4] shut down devices asynchronously

On Thu, Aug 22, 2024 at 03:28:01PM -0500, Stuart Hayes wrote:
> This adds the ability for the kernel to shutdown devices asynchronously.
> 
> Only devices with drivers that enable it are shut down asynchronously.
> 
> This can dramatically reduce system shutdown/reboot time on systems that
> have multiple devices that take many seconds to shut down (like certain
> NVMe drives). On one system tested, the shutdown time went from 11 minutes
> without this patch to 55 seconds with the patch.

Thanks for sticking with this, all now queued up in my tree

greg k-h