From: hch@infradead.org (Christoph Hellwig)
Subject: [PATCH v2 1/7] nvme core: allow controller RESETTING to RECONNECTING transition
Date: Wed, 4 Oct 2017 01:28:13 -0700 [thread overview]
Message-ID: <20171004082813.GA23467@infradead.org> (raw)
In-Reply-To: <20170927045046.22238-2-jsmart2021@gmail.com>
On Tue, Sep 26, 2017@09:50:40PM -0700, James Smart wrote:
> Allow controller state transition : RESETTING to RECONNECTING
>
> Transport will typically transition from LIVE->RESETTING when
> initially performing a reset or recovering from an error. Adding
> this transition allows a transport to transition to RECONNECTING
> when it checks/waits for connectivity then creates new transport
> connections and reinits the controller.
Looks fine for now, although we really need to move to a common
state machine..
Reviewed-by: Christoph Hellwig <hch at lst.de>
>
> -- james
>
> Signed-off-by: James Smart <james.smart at broadcom.com>
> ---
> drivers/nvme/host/core.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
> index bb2aad078637..179ca6f79da3 100644
> --- a/drivers/nvme/host/core.c
> +++ b/drivers/nvme/host/core.c
> @@ -205,6 +205,7 @@ bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl,
> case NVME_CTRL_RECONNECTING:
> switch (old_state) {
> case NVME_CTRL_LIVE:
> + case NVME_CTRL_RESETTING:
> changed = true;
> /* FALLTHRU */
> default:
> --
> 2.13.1
>
>
> _______________________________________________
> Linux-nvme mailing list
> Linux-nvme at lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-nvme
---end quoted text---
next prev parent reply other threads:[~2017-10-04 8:28 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-27 4:50 [PATCH v2 0/7] nvme_fc: add dev_loss_tmo support James Smart
2017-09-27 4:50 ` [PATCH v2 1/7] nvme core: allow controller RESETTING to RECONNECTING transition James Smart
2017-10-04 8:28 ` Christoph Hellwig [this message]
2017-10-11 10:02 ` Sagi Grimberg
2017-09-27 4:50 ` [PATCH v2 2/7] nvme_fc: change ctlr state assignments during reset/reconnect James Smart
2017-10-05 7:57 ` Christoph Hellwig
2017-10-07 15:53 ` James Smart
2017-10-11 10:07 ` Sagi Grimberg
2017-10-11 14:29 ` James Smart
2017-09-27 4:50 ` [PATCH v2 3/7] nvme_fc: add a dev_loss_tmo field to the remoteport James Smart
2017-10-11 10:11 ` Sagi Grimberg
2017-10-11 14:35 ` James Smart
2017-09-27 4:50 ` [PATCH v2 4/7] nvme_fc: add dev_loss_tmo to controller James Smart
2017-10-05 8:00 ` Christoph Hellwig
2017-10-07 16:08 ` James Smart
2017-10-11 10:17 ` Sagi Grimberg
2017-10-11 15:10 ` James Smart
2017-10-11 10:14 ` Sagi Grimberg
2017-09-27 4:50 ` [PATCH v2 5/7] nvme_fc: check connectivity before initiating reconnects James Smart
2017-10-05 8:01 ` Christoph Hellwig
2017-09-27 4:50 ` [PATCH v2 6/7] nvme_fc: move remote port get/put/free location James Smart
2017-10-05 8:03 ` Christoph Hellwig
2017-10-11 10:18 ` Sagi Grimberg
2017-09-27 4:50 ` [PATCH v2 7/7] nvme_fc: add dev_loss_tmo timeout and remoteport resume support James Smart
2017-10-11 10:29 ` Sagi Grimberg
2017-10-11 14:52 ` James Smart
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