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From: keith.busch@linux.intel.com (Keith Busch)
Subject: [PATCHv3 1/9] nvme: Sync request queues on reset
Date: Fri, 25 May 2018 08:45:37 -0600	[thread overview]
Message-ID: <20180525144536.GQ11037@localhost.localdomain> (raw)
In-Reply-To: <20180525143253.GA26539@lst.de>

On Fri, May 25, 2018@04:32:53PM +0200, Christoph Hellwig wrote:
> Ok, so we are talking about simultaneous nvme_dev_disable calls, which
> makes more sense.
> 
> That being said I really like the idea that Jianchao floated about
> always returning BLK_EH_RESET_TIMER and just letting the reset work
> do the work.  I hope it actually works and doesn't have hidden
> pitfalls..

There are some pitfalls there. The reset_work won't queue if we're in the
DELETING state, for example, and we do still need something to disable
the controller if an admin command issued within reset_work times out. We
do the nvme_dev_disable inline with the timeout for those reasons.

  reply	other threads:[~2018-05-25 14:45 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-24 20:34 [PATCHv3 0/9] nvme timeout fixes, v3 Keith Busch
2018-05-24 20:34 ` [PATCHv3 1/9] nvme: Sync request queues on reset Keith Busch
2018-05-25 12:42   ` Christoph Hellwig
2018-05-25 14:22     ` Keith Busch
2018-05-25 14:32       ` Christoph Hellwig
2018-05-25 14:45         ` Keith Busch [this message]
2018-05-25 15:56         ` James Smart
2018-05-25 16:24           ` Keith Busch
2018-05-25 18:04             ` James Smart
2018-05-25 18:30               ` Keith Busch
2018-05-30 23:25                 ` Sagi Grimberg
2018-06-05 16:25                   ` Keith Busch
2018-05-30 23:24           ` Sagi Grimberg
2018-05-24 20:34 ` [PATCHv3 2/9] nvme-pci: Fix queue freeze criteria " Keith Busch
2018-05-25 12:43   ` Christoph Hellwig
2018-05-30 23:36   ` Sagi Grimberg
2018-05-24 20:34 ` [PATCHv3 3/9] nvme: Move all IO out of controller reset Keith Busch
2018-05-25 13:00   ` Christoph Hellwig
2018-05-25 14:41     ` Keith Busch
2018-05-24 20:34 ` [PATCHv3 4/9] nvme-pci: Rate limit the nvme timeout warnings Keith Busch
2018-05-25 13:01   ` Christoph Hellwig
2018-05-30  6:06   ` Christoph Hellwig
2018-05-24 20:34 ` [PATCHv3 5/9] nvme-pci: End IO requests in CONNECTING state Keith Busch
2018-05-24 20:47   ` Christoph Hellwig
2018-05-24 21:03     ` Keith Busch
2018-05-25 12:31       ` Christoph Hellwig
2018-05-24 20:34 ` [PATCHv3 6/9] nvme-pci: Unquiesce dead controller queues Keith Busch
2018-05-25 13:03   ` Christoph Hellwig
2018-05-24 20:34 ` [PATCHv3 7/9] nvme-pci: Attempt reset retry for IO failures Keith Busch
2018-05-25 13:04   ` Christoph Hellwig
2018-05-25 14:25     ` Keith Busch
2018-05-30 23:40   ` Sagi Grimberg
2018-06-04 22:46     ` Keith Busch
2018-05-24 20:34 ` [PATCHv3 8/9] nvme-pci: Queue creation error handling Keith Busch
2018-05-25 12:35   ` Christoph Hellwig
2018-06-05 16:28     ` Keith Busch
2018-05-30 23:37   ` Sagi Grimberg
2018-05-24 20:35 ` [PATCHv3 9/9] nvme-pci: Don't wait for HMB completion on shutdown Keith Busch
2018-05-24 20:45   ` Christoph Hellwig
2018-05-24 21:15     ` Keith Busch
2018-05-25  3:10       ` jianchao.wang
2018-05-25 15:09         ` Keith Busch
2018-05-25 12:36       ` Christoph Hellwig
2018-07-13  0:48 ` [PATCHv3 0/9] nvme timeout fixes, v3 Ming Lei
2018-07-13 20:54   ` Keith Busch

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