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Date: Wed, 21 Feb 2024 16:53:44 +0100
From: Hannes Reinecke <hare@...e.de>
To: Daniel Wagner <dwagner@...e.de>, James Smart <james.smart@...adcom.com>
Cc: Keith Busch <kbusch@...nel.org>, Christoph Hellwig <hch@....de>,
 Sagi Grimberg <sagi@...mberg.me>, linux-nvme@...ts.infradead.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/5] nvme-fc: do not retry when auth fails or
 connection is refused

On 2/21/24 14:24, Daniel Wagner wrote:
> There is no point in retrying to connect if the authentication fails.
> 
> Connection refused is also issued from the authentication path, thus
> also do not retry.
> 
> Reviewed-by: Christoph Hellwig <hch@....de>
> Signed-off-by: Daniel Wagner <dwagner@...e.de>
> ---
>   drivers/nvme/host/fc.c | 2 ++
>   1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c
> index a5b29e9ad342..b81046c9f171 100644
> --- a/drivers/nvme/host/fc.c
> +++ b/drivers/nvme/host/fc.c
> @@ -3312,6 +3312,8 @@ nvme_fc_reconnect_or_delete(struct nvme_fc_ctrl *ctrl, int status)
>   			ctrl->cnum, status);
>   		if (status > 0 && (status & NVME_SC_DNR))
>   			recon = false;
> +		if (status == NVME_SC_AUTH_REQUIRED || status == -ECONNREFUSED)
> +			recon = false;
>   	} else if (time_after_eq(jiffies, rport->dev_loss_end))
>   		recon = false;
>   
Is this still required after the patchset to retry authentication errors?

Cheers,

Hannes
-- 
Dr. Hannes Reinecke                  Kernel Storage Architect
hare@...e.de                                +49 911 74053 688
SUSE Software Solutions GmbH, Frankenstr. 146, 90461 Nürnberg
HRB 36809 (AG Nürnberg), GF: I. Totev, A. McDonald, W. Knoblich


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