linux-kernel - Re: [PATCH v7 5/5] nvme: do not retry authentication failures

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Date: Wed, 1 May 2024 13:27:34 +0300
From: Sagi Grimberg <sagi@...mberg.me>
To: Daniel Wagner <dwagner@...e.de>, Christoph Hellwig <hch@....de>
Cc: Keith Busch <kbusch@...nel.org>, James Smart <james.smart@...adcom.com>,
 Hannes Reinecke <hare@...e.de>, linux-nvme@...ts.infradead.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v7 5/5] nvme: do not retry authentication failures



On 30/04/2024 16:19, Daniel Wagner wrote:
> When the key is invalid there is no point in retrying. Because the auth
> code returns kernel error codes only, we can't test on the DNR bit.

I still think that this patch has issues in the sense that in certain cases
the controller can suddenly disappear.