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nvme: start keep-alive after admin queue setup

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Setting up I/O queues might take quite some time on larger and/or
busy setups, so KATO might expire before all I/O queues could be
set up.
Fix this by start keep alive from the ->init_ctrl_finish() callback,
and stopping it when calling nvme_cancel_admin_tagset().

Signed-off-by: Hannes Reinecke <hare@suse.de>
Tested-by: Mark O'Donovan <shiftee@posteo.net>
[fixed nvme-fc compile error]
Signed-off-by: Keith Busch <kbusch@kernel.org>
This commit is contained in:
Hannes Reinecke 2023-10-24 08:13:37 +02:00 committed by Keith Busch
parent 55adcdbbdd
commit 4733b65d82
2 changed files with 9 additions and 3 deletions
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6
drivers/nvme/host/core.c
View File

@ -483,6 +483,7 @@ EXPORT_SYMBOL_GPL(nvme_cancel_tagset);
void nvme_cancel_admin_tagset(struct nvme_ctrl *ctrl)
{
nvme_stop_keep_alive(ctrl);
if (ctrl->admin_tagset) {
blk_mq_tagset_busy_iter(ctrl->admin_tagset,
nvme_cancel_request, ctrl);
@ -3200,6 +3201,8 @@ int nvme_init_ctrl_finish(struct nvme_ctrl *ctrl, bool was_suspended)
clear_bit(NVME_CTRL_DIRTY_CAPABILITY, &ctrl->flags);
ctrl->identified = true;
nvme_start_keep_alive(ctrl);
return 0;
}
EXPORT_SYMBOL_GPL(nvme_init_ctrl_finish);
@ -4346,7 +4349,6 @@ void nvme_stop_ctrl(struct nvme_ctrl *ctrl)
{
nvme_mpath_stop(ctrl);
nvme_auth_stop(ctrl);
nvme_stop_keep_alive(ctrl);
nvme_stop_failfast_work(ctrl);
flush_work(&ctrl->async_event_work);
cancel_work_sync(&ctrl->fw_act_work);
@ -4357,8 +4359,6 @@ EXPORT_SYMBOL_GPL(nvme_stop_ctrl);
void nvme_start_ctrl(struct nvme_ctrl *ctrl)
{
nvme_start_keep_alive(ctrl);
nvme_enable_aen(ctrl);
/*

6
drivers/nvme/host/fc.c
View File

@ -2530,6 +2530,12 @@ __nvme_fc_abort_outstanding_ios(struct nvme_fc_ctrl *ctrl, bool start_queues)
* clean up the admin queue. Same thing as above.
*/
nvme_quiesce_admin_queue(&ctrl->ctrl);
/*
* Open-coding nvme_cancel_admin_tagset() as fc
* is not using nvme_cancel_request().
*/
nvme_stop_keep_alive(&ctrl->ctrl);
blk_sync_queue(ctrl->ctrl.admin_q);
blk_mq_tagset_busy_iter(&ctrl->admin_tag_set,
nvme_fc_terminate_exchange, &ctrl->ctrl);