From: Christoph Hellwig <hch@lst.de>
To: Sagi Grimberg <sagi@grimberg.me>
Cc: Keith Busch <kbusch@kernel.org>, Christoph Hellwig <hch@lst.de>,
linux-nvme@lists.infradead.org, Chao Leng <lengchao@huawei.com>
Subject: Re: [PATCH 3/3] nvme: redirect commands on dying queue
Date: Sat, 15 Aug 2020 08:55:26 +0200 [thread overview]
Message-ID: <20200815065526.GB15518@lst.de> (raw)
In-Reply-To: <02f6276a-bbb5-5185-6a4a-1ac7aa938399@grimberg.me>
On Fri, Aug 14, 2020 at 11:44:12AM -0700, Sagi Grimberg wrote:
>
>> If a command send through nvme-multupath failed on a dying queue, resend it
>> on another path.
>
> So this is a race where we got a retry-able status from the controller
> (not from the host teardwon sequence) and we just happen to see
> a dying queue?
I think so, maybe Chao can explain the scenario in a little more detail.
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next prev parent reply other threads:[~2020-08-15 6:55 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-14 15:15 nvme completion handling refactor and fix Christoph Hellwig
2020-08-14 15:15 ` [PATCH 1/3] nvme: rename and document nvme_end_request Christoph Hellwig
2020-08-14 18:31 ` Sagi Grimberg
2020-08-14 15:15 ` [PATCH 2/3] nvme: refactor command completion Christoph Hellwig
2020-08-14 18:37 ` Sagi Grimberg
2020-08-15 6:54 ` Christoph Hellwig
2020-08-17 7:45 ` Sagi Grimberg
2020-08-17 7:54 ` Christoph Hellwig
2020-08-17 3:30 ` Chao Leng
2020-08-14 15:15 ` [PATCH 3/3] nvme: redirect commands on dying queue Christoph Hellwig
2020-08-14 18:44 ` Sagi Grimberg
2020-08-15 6:55 ` Christoph Hellwig [this message]
2020-08-17 3:54 ` Chao Leng
2020-08-17 7:46 ` Sagi Grimberg
2020-08-17 3:41 ` Chao Leng
2020-08-17 5:49 ` Chao Leng
2020-08-17 8:13 ` Christoph Hellwig
2020-08-19 1:42 ` Chao Leng
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