From: sagi@grimberg.me (Sagi Grimberg)
Subject: [PATCHv4 3/4] nvme: Introduce frozen controller state
Date: Mon, 16 Jul 2018 19:34:54 +0300 [thread overview]
Message-ID: <59b9c74b-91f1-7d1b-f20a-5a64dd66a17e@grimberg.me> (raw)
In-Reply-To: <20180713205609.19701-4-keith.busch@intel.com>
> + if (ctrl->state == NVME_CTRL_FROZEN) {
> + nvme_wait_freeze(ctrl);
> + blk_mq_update_nr_hw_queues(ctrl->tagset, ctrl->queue_count - 1);
> + nvme_unfreeze(ctrl);
> + if (!nvme_change_ctrl_state(ctrl, NVME_CTRL_LIVE))
> + return;
> + }
> +
Having the transport drivers setup a state to indicate nvme-core to
handle it and change it again looks convoluted to me...
> if (ctrl->queue_count > 1) {
> nvme_queue_scan(ctrl);
> nvme_enable_aen(ctrl);
> queue_work(nvme_wq, &ctrl->async_event_work);
> - nvme_start_queues(ctrl);
> }
> }
>
> void nvme_start_ctrl(struct nvme_ctrl *ctrl)
> {
> + nvme_start_queues(ctrl);
You start the queues here?
next prev parent reply other threads:[~2018-07-16 16:34 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-13 20:56 [PATCHv4 0/4] nvme timeout updates Keith Busch
2018-07-13 20:56 ` [PATCHv4 1/4] nvme: Sync request queues on reset Keith Busch
2018-07-16 8:52 ` jianchao.wang
2018-07-16 10:39 ` Ming Lei
2018-07-16 13:30 ` Keith Busch
2018-07-17 5:37 ` jianchao.wang
2018-07-16 14:51 ` Sagi Grimberg
2018-07-16 15:37 ` Keith Busch
2018-07-16 16:36 ` Sagi Grimberg
2018-07-16 17:12 ` Keith Busch
2018-07-17 13:40 ` Christoph Hellwig
2018-07-17 14:54 ` Keith Busch
2018-07-18 11:46 ` Sagi Grimberg
2018-07-18 13:52 ` Keith Busch
2018-07-13 20:56 ` [PATCHv4 2/4] nvme: Start controller in own work queue Keith Busch
2018-07-16 15:00 ` Sagi Grimberg
2018-07-16 15:35 ` Keith Busch
2018-07-13 20:56 ` [PATCHv4 3/4] nvme: Introduce frozen controller state Keith Busch
2018-07-16 9:02 ` jianchao.wang
2018-07-16 11:09 ` Ming Lei
2018-07-16 13:36 ` Keith Busch
2018-07-17 1:23 ` Ming Lei
2018-07-17 5:49 ` jianchao.wang
2018-07-17 7:21 ` Ming Lei
2018-07-17 7:28 ` jianchao.wang
2018-07-17 14:32 ` Keith Busch
2018-07-18 2:57 ` jianchao.wang
2018-07-17 14:06 ` Keith Busch
2018-07-16 16:34 ` Sagi Grimberg [this message]
2018-07-17 16:05 ` James Smart
2018-07-17 16:17 ` Keith Busch
2018-07-18 12:20 ` Sagi Grimberg
2018-07-18 13:53 ` Keith Busch
2018-07-13 20:56 ` [PATCHv4 4/4] nvme-pci: Use controller start work to dispath IO Keith Busch
2018-07-19 19:48 ` [PATCHv4 0/4] nvme timeout updates Scott Bauer
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