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From: Christoph Hellwig <hch@lst.de>
To: Hannes Reinecke <hare@suse.de>
Cc: Keith Busch <keith.busch@intel.com>,
	Christoph Hellwig <hch@lst.de>,
	linux-nvme@lists.infradead.org, Sagi Grimberg <sagi@grimberg.me>
Subject: Re: [PATCH] nvme: always treat DNR status as no-retryable
Date: Tue, 26 Nov 2019 17:22:06 +0100
Message-ID: <20191126162206.GB7562@lst.de> (raw)
In-Reply-To: <20191126133749.72267-1-hare@suse.de>

On Tue, Nov 26, 2019 at 02:37:49PM +0100, Hannes Reinecke wrote:
> If the DNR bit is set in the command status we should not retry
> the command, irrespective of what the actual status is.
> So map it directly to BLK_STS_TARGET to inform upper layers to
> not retry the command, not even on another path.

We've been there before, have we?  What is your use case.  I.e.
what part of the kernel is retrying what command that you don't
want to be retried?

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Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-26 13:37 Hannes Reinecke
2019-11-26 16:15 ` Keith Busch
2019-11-26 16:34   ` Hannes Reinecke
2019-11-26 16:39     ` Christoph Hellwig
2019-11-26 16:22 ` Christoph Hellwig [this message]
2019-11-26 16:28   ` Hannes Reinecke

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