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From: Mohamed Khalfella <mkhalfella@purestorage.com>
To: Daniel Wagner <dwagner@suse.de>
Cc: Keith Busch <kbusch@kernel.org>, Jens Axboe <axboe@kernel.dk>,
	Christoph Hellwig <hch@lst.de>, Sagi Grimberg <sagi@grimberg.me>,
	Justin Tee <justin.tee@broadcom.com>,
	Naresh Gottumukkala <nareshgottumukkala83@gmail.com>,
	Paul Ely <paul.ely@broadcom.com>,
	Hannes Reinecke <hare@kernel.org>,
	Chaitanya Kulkarni <kch@nvidia.com>,
	James Smart <jsmart833426@gmail.com>,
	Randy Jennings <randyj@purestorage.com>,
	linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v6 14/18] nvme-fc: Use CCR to recover controller that hits an error
Date: Tue, 20 Oct 2026 18:31:31 -0700	[thread overview]
Message-ID: <20261021013131.GU2931-mkhalfella@purestorage.com> (raw)
In-Reply-To: <32d5f56f-285e-43d8-b5a7-490492270e51@flourine.local>

On Tue 2026-10-20 13:56:38 +0200, Daniel Wagner wrote:
> On Sun, Sep 20, 2026 at 11:28:12AM -0700, Mohamed Khalfella wrote:
> > +static void nvme_fc_fencing_work(struct work_struct *work)
> > +{
> > +	struct nvme_fc_ctrl *fc_ctrl =
> > +			container_of(work, struct nvme_fc_ctrl, fencing_work);
> > +	struct nvme_ctrl *ctrl = &fc_ctrl->ctrl;
> > +	unsigned long rem;
> > +
> > +	/*
> > +	 * Tear the association down now so the LLDD can finish unregistering
> > +	 * the remoteport/localport while the fencing this controller.
> > +	 */
> 
> 
> Maybe:
> 
>           /*
>            * Tear down the association before fencing starts. Fencing can take
>            * a long time and the LLDD can't finish unregistering the
>            * remoteport/localport until all associations on it are gone.
>            * Inflight requests are held and only completed once fencing has
>            * finished.
>            */
> ?

Yes, this is better. I updated the comment just like suggested above.


  reply	other threads:[~2026-10-21  1:31 UTC|newest]

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-20 18:27 [PATCH v6 00/18] TP8028 Rapid Path Failure Recovery Mohamed Khalfella
2026-09-20 18:27 ` [PATCH v6 01/18] nvmet: Rapid Path Failure Recovery set controller identify fields Mohamed Khalfella
2026-10-15 12:58   ` Daniel Wagner
2026-10-19 18:06     ` Mohamed Khalfella
2026-09-20 18:28 ` [PATCH v6 02/18] nvmet/debugfs: Export controller CIU and CIRN via debugfs Mohamed Khalfella
2026-10-19 12:01   ` Daniel Wagner
2026-10-19 19:01     ` Mohamed Khalfella
2026-10-20 12:59       ` Daniel Wagner
2026-09-20 18:28 ` [PATCH v6 03/18] nvmet: Implement CCR nvme command Mohamed Khalfella
2026-10-19 16:00   ` Daniel Wagner
2026-10-19 20:21     ` Mohamed Khalfella
2026-09-20 18:28 ` [PATCH v6 04/18] nvmet: Implement CCR logpage Mohamed Khalfella
2026-10-19 16:18   ` Daniel Wagner
2026-09-20 18:28 ` [PATCH v6 05/18] nvmet: Send an AEN on CCR completion Mohamed Khalfella
2026-10-19 16:31   ` Daniel Wagner
2026-09-20 18:28 ` [PATCH v6 06/18] nvme: Rapid Path Failure Recovery read controller identify fields Mohamed Khalfella
2026-10-19 16:56   ` Daniel Wagner
2026-10-19 21:18     ` Mohamed Khalfella
2026-09-20 18:28 ` [PATCH v6 07/18] nvme: Introduce FENCING and FENCED controller states Mohamed Khalfella
2026-10-19 17:01   ` Daniel Wagner
2026-10-19 17:18     ` Daniel Wagner
2026-10-19 21:40       ` Mohamed Khalfella
2026-10-20 13:15         ` Daniel Wagner
2026-10-19 21:26     ` Mohamed Khalfella
2026-10-20 13:10       ` Daniel Wagner
2026-09-20 18:28 ` [PATCH v6 08/18] nvme: Implement cross-controller reset recovery Mohamed Khalfella
2026-10-20  8:55   ` Daniel Wagner
2026-10-20 23:56     ` Mohamed Khalfella
2026-09-20 18:28 ` [PATCH v6 09/18] nvme: Implement cross-controller reset completion Mohamed Khalfella
2026-10-20  9:18   ` Daniel Wagner
2026-10-21  1:04     ` Mohamed Khalfella
2026-09-20 18:28 ` [PATCH v6 10/18] nvme-tcp: Use CCR to recover controller that hits an error Mohamed Khalfella
2026-10-20  9:36   ` Daniel Wagner
2026-10-21  1:20     ` Mohamed Khalfella
2026-09-20 18:28 ` [PATCH v6 11/18] nvme-rdma: " Mohamed Khalfella
2026-10-20  9:36   ` Daniel Wagner
2026-10-21  1:25     ` Mohamed Khalfella
2026-09-20 18:28 ` [PATCH v6 12/18] nvme-fc: start error recovery instead of aborting timed out IOs Mohamed Khalfella
2026-10-20  9:55   ` Daniel Wagner
2026-09-20 18:28 ` [PATCH v6 13/18] nvme-fc: perform error recovery directly from ioerr_work Mohamed Khalfella
2026-10-20 10:20   ` Daniel Wagner
2026-09-20 18:28 ` [PATCH v6 14/18] nvme-fc: Use CCR to recover controller that hits an error Mohamed Khalfella
2026-10-20 11:56   ` Daniel Wagner
2026-10-21  1:31     ` Mohamed Khalfella [this message]
2026-09-20 18:28 ` [PATCH v6 15/18] nvme-fc: Hold inflight requests while in FENCING state Mohamed Khalfella
2026-10-20 12:21   ` Daniel Wagner
2026-09-20 18:28 ` [PATCH v6 16/18] nvmet: Add support for CQT to nvme target Mohamed Khalfella
2026-10-20 12:40   ` Daniel Wagner
2026-09-20 18:28 ` [PATCH v6 17/18] nvme: Add support for CQT to nvme host Mohamed Khalfella
2026-10-20 12:46   ` Daniel Wagner
2026-09-20 18:28 ` [PATCH v6 18/18] nvme: let controller deletion wait out a fencing window Mohamed Khalfella

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