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From: Max Gurtovoy <mgurtovoy@nvidia.com>
To: Christoph Hellwig <hch@lst.de>, Daniel Wagner <dwagner@suse.de>
Cc: linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org,
	Sagi Grimberg <sagi@grimberg.me>, Keith Busch <kbusch@kernel.org>,
	James Smart <james.smart@broadcom.com>,
	Hannes Reinecke <hare@suse.de>
Subject: Re: [PATCH v3 01/16] nvmet: report ioccsz and iorcsz for disc ctrl
Date: Wed, 20 Dec 2023 02:50:34 +0200	[thread overview]
Message-ID: <6a308db3-d487-413a-9ee9-9206463d6308@nvidia.com> (raw)
In-Reply-To: <20231219042717.GB30580@lst.de>



On 19/12/2023 6:27, Christoph Hellwig wrote:
> On Mon, Dec 18, 2023 at 04:30:49PM +0100, Daniel Wagner wrote:
>> +	/*
>> +	 * Max command capsule size is sqe + in-capsule data size.
>> +	 * Disable in-capsule data for Metadata capable controllers.
> 
> A why on the disable would be useful here - the fact that it is disabled
> is pretty obvious from the code.
> 

We have another thread on this patch that I think is wrong since the 
discovery controller shouldn't set these values according to the spec. 
It is explicitly say that ioccsz and iorcsz are reserved for discovery 
controllers.

I've sent a proposal to fix the initiator/host code.

  reply	other threads:[~2023-12-20  0:50 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-12-18 15:30 [PATCH v3 00/17] enable nvmet-fc for blktests Daniel Wagner
2023-12-18 15:30 ` [PATCH v3 01/16] nvmet: report ioccsz and iorcsz for disc ctrl Daniel Wagner
2023-12-19  4:27   ` Christoph Hellwig
2023-12-20  0:50     ` Max Gurtovoy [this message]
2023-12-19  7:24   ` Hannes Reinecke
2023-12-19 15:15     ` Daniel Wagner
2023-12-18 15:30 ` [PATCH v3 02/16] nvmet-fc: remove unnecessary bracket Daniel Wagner
2023-12-19  4:27   ` Christoph Hellwig
2023-12-19  7:25   ` Hannes Reinecke
2023-12-18 15:30 ` [PATCH v3 03/16] nvmet-trace: avoid dereferencing pointer too early Daniel Wagner
2023-12-19  4:29   ` Christoph Hellwig
2023-12-18 15:30 ` [PATCH v3 04/16] nvmet-trace: null terminate device name string correctly Daniel Wagner
2023-12-19  4:29   ` Christoph Hellwig
2023-12-18 15:30 ` [PATCH v3 05/16] nvmet-fcloop: Remove remote port from list when unlinking Daniel Wagner
2023-12-19  4:31   ` Christoph Hellwig
2023-12-19  7:26   ` Hannes Reinecke
2023-12-18 15:30 ` [PATCH v3 06/16] nvme-fc: Do not wait in vain when unloading module Daniel Wagner
2023-12-19  4:35   ` Christoph Hellwig
2024-01-05  5:05     ` Keith Busch
2023-12-19  7:28   ` Hannes Reinecke
2023-12-18 15:30 ` [PATCH v3 07/16] nvmet-fc: Release reference on target port Daniel Wagner
2023-12-19  4:36   ` Christoph Hellwig
2023-12-19  7:28   ` Hannes Reinecke
2023-12-18 15:30 ` [PATCH v3 08/16] nvmet-fc: untangle cross refcounting objects Daniel Wagner
2023-12-19  5:16   ` Christoph Hellwig
2023-12-21  9:15     ` Daniel Wagner
2024-01-26 15:32       ` Daniel Wagner
2023-12-19  7:59   ` Hannes Reinecke
2023-12-18 15:30 ` [PATCH v3 09/16] nvmet-fc: free queue and assoc directly Daniel Wagner
2023-12-19  7:59   ` Hannes Reinecke
2023-12-18 15:30 ` [PATCH v3 10/16] nvmet-fc: hold reference on hostport match Daniel Wagner
2023-12-19  8:00   ` Hannes Reinecke
2023-12-18 15:30 ` [PATCH v3 11/16] nvmet-fc: remove null hostport pointer check Daniel Wagner
2023-12-19 11:37   ` Hannes Reinecke
2023-12-18 15:31 ` [PATCH v3 12/16] nvmet-fc: do not tack refs on tgtports from assoc Daniel Wagner
2023-12-19 11:38   ` Hannes Reinecke
2023-12-18 15:31 ` [PATCH v3 13/16] nvmet-fc: abort command if when there is binding Daniel Wagner
2023-12-19 11:39   ` Hannes Reinecke
2023-12-18 15:31 ` [PATCH v3 14/16] nvmet-fc: free hostport after release reference to tgtport Daniel Wagner
2023-12-19 11:41   ` Hannes Reinecke
2023-12-18 15:31 ` [PATCH v3 15/16] nvmet-fc: avoid deadlock on delete association path Daniel Wagner
2023-12-19  6:00   ` kernel test robot
2023-12-19  8:29   ` kernel test robot
2023-12-19 11:17   ` kernel test robot
2023-12-19 11:43   ` Hannes Reinecke
2023-12-18 15:31 ` [PATCH v3 16/16] nvmet-fc: take ref count on tgtport before delete assoc Daniel Wagner
2023-12-19 11:47   ` Hannes Reinecke
2023-12-18 15:31 ` [PATCH v3 17/17] nvmet-fc: add extensive debug logging Daniel Wagner
2023-12-19 11:54   ` Hannes Reinecke
2023-12-19 14:06     ` Daniel Wagner
2023-12-18 16:10 ` [PATCH v3 00/17] enable nvmet-fc for blktests Maurizio Lombardi
2024-01-02 21:36 ` Keith Busch

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