From: Christoph Hellwig <hch@lst.de>
To: Keith Busch <kbusch@kernel.org>
Cc: Ming Lei <ming.lei@redhat.com>,
"Busch, Keith" <keith.busch@intel.com>,
Jens Axboe <axboe@kernel.dk>,
"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
Christoph Hellwig <hch@lst.de>,
"linux-nvme@lists.infradead.org" <linux-nvme@lists.infradead.org>
Subject: Re: [PATCH 2/2] nvme: reset request timeouts during fw activation
Date: Thu, 23 May 2019 16:07:12 +0200 [thread overview]
Message-ID: <20190523140712.GA19598@lst.de> (raw)
In-Reply-To: <20190523133428.GC14049@localhost.localdomain>
On Thu, May 23, 2019 at 07:34:29AM -0600, Keith Busch wrote:
> Doh! Didn't hit that in testing, but point taken.
>
> > Also reset still may come during activating FW, is that a problem?
>
> IO timeout and user initiated resets should be avoided. A state machine
> addition may be useful here.
Yep. It almost sounds like we'd want a PAUSED state where resets just
keep returning RESET_TIMER without any other action.
next prev parent reply other threads:[~2019-05-23 14:07 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-22 17:48 [PATCH 0/2] Reset timeout for paused hardware Keith Busch
2019-05-22 17:48 ` [PATCH 1/2] blk-mq: provide way to reset rq deadline Keith Busch
2019-05-22 17:48 ` [PATCH 2/2] nvme: reset request timeouts during fw activation Keith Busch
2019-05-23 10:19 ` Ming Lei
2019-05-23 13:34 ` Keith Busch
2019-05-23 14:07 ` Christoph Hellwig [this message]
2019-05-22 20:20 ` [PATCH 0/2] Reset timeout for paused hardware Bart Van Assche
2019-05-22 20:28 ` Keith Busch
2019-05-23 10:04 ` Bart Van Assche
2019-05-23 3:29 ` Ming Lei
2019-05-23 3:48 ` Keith Busch
2019-05-23 10:13 ` Christoph Hellwig
2019-05-23 13:23 ` Keith Busch
2019-05-23 14:10 ` Christoph Hellwig
2019-05-23 14:19 ` Keith Busch
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