nvme-rdma: update tagset nr_hw_queues after reconnecting/resetting

We might have more/less queues once we reconnect/reset. For
example due to cpu going online/offline or controller constraints.

Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>

diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c
index 2ab0cdb4d881c3755ffb78cb1463400639f0a64a..cfb22531fc161beb2dbcb439279695fb5bb17a49 100644 (file)
--- a/drivers/nvme/host/rdma.c
+++ b/drivers/nvme/host/rdma.c
@@ -741,6 +741,9 @@ static void nvme_rdma_reconnect_ctrl_work(struct work_struct *work)
                ret = nvme_rdma_connect_io_queues(ctrl);
                if (ret)
                        goto requeue;
+
+               blk_mq_update_nr_hw_queues(&ctrl->tag_set,
+                               ctrl->ctrl.queue_count - 1);
        }
 
        changed = nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_LIVE);
@@ -1727,6 +1730,9 @@ static void nvme_rdma_reset_ctrl_work(struct work_struct *work)
                ret = nvme_rdma_connect_io_queues(ctrl);
                if (ret)
                        goto del_dead_ctrl;
+
+               blk_mq_update_nr_hw_queues(&ctrl->tag_set,
+                               ctrl->ctrl.queue_count - 1);
        }
 
        changed = nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_LIVE);