nvme-fc: restart admin queue if the caller needs to restart queue

Without restarting admin queue in __nvme_fc_abort_outstanding_ios(),
it leaves controller not capable of handling admin pt request, and
causes io hang.

Fixes it by restarting admin queue if the caller of __nvme_fc_abort_outstanding_ios
requires to restart queue.

Signed-off-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: James Smart <jsmart2021@gmail.com>
Tested-by: Ewan D. Milne <emilne@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c
index 9987797..8d14df8 100644 (file)
--- a/drivers/nvme/host/fc.c
+++ b/drivers/nvme/host/fc.c
@@ -2533,6 +2533,8 @@ __nvme_fc_abort_outstanding_ios(struct nvme_fc_ctrl *ctrl, bool start_queues)
        blk_mq_tagset_busy_iter(&ctrl->admin_tag_set,
                                nvme_fc_terminate_exchange, &ctrl->ctrl);
        blk_mq_tagset_wait_completed_request(&ctrl->admin_tag_set);
+       if (start_queues)
+               nvme_start_admin_queue(&ctrl->ctrl);
 }
 
 static void