Commit 5e1fe61d authored by Sagi Grimberg's avatar Sagi Grimberg Committed by Christoph Hellwig

nvme-rdma: teardown admin/io queues once on error recovery

Relying on the queue state while tearing down on every reconnect
attempt is not a good design. We should do it once in err_work
and simply try to establish the queues for each reconnect attempt.
Signed-off-by: default avatarSagi Grimberg <sagi@grimberg.me>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
parent 0fc176df
......@@ -925,10 +925,6 @@ static void nvme_rdma_reconnect_ctrl_work(struct work_struct *work)
++ctrl->ctrl.nr_reconnects;
if (ctrl->ctrl.queue_count > 1)
nvme_rdma_destroy_io_queues(ctrl, false);
nvme_rdma_destroy_admin_queue(ctrl, false);
ret = nvme_rdma_configure_admin_queue(ctrl, false);
if (ret)
goto requeue;
......@@ -936,7 +932,7 @@ static void nvme_rdma_reconnect_ctrl_work(struct work_struct *work)
if (ctrl->ctrl.queue_count > 1) {
ret = nvme_rdma_configure_io_queues(ctrl, false);
if (ret)
goto requeue;
goto destroy_admin;
}
changed = nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_LIVE);
......@@ -946,14 +942,17 @@ static void nvme_rdma_reconnect_ctrl_work(struct work_struct *work)
return;
}
ctrl->ctrl.nr_reconnects = 0;
nvme_start_ctrl(&ctrl->ctrl);
dev_info(ctrl->ctrl.device, "Successfully reconnected\n");
dev_info(ctrl->ctrl.device, "Successfully reconnected (%d attempts)\n",
ctrl->ctrl.nr_reconnects);
ctrl->ctrl.nr_reconnects = 0;
return;
destroy_admin:
nvme_rdma_destroy_admin_queue(ctrl, false);
requeue:
dev_info(ctrl->ctrl.device, "Failed reconnect attempt %d\n",
ctrl->ctrl.nr_reconnects);
......@@ -969,17 +968,15 @@ static void nvme_rdma_error_recovery_work(struct work_struct *work)
if (ctrl->ctrl.queue_count > 1) {
nvme_stop_queues(&ctrl->ctrl);
nvme_rdma_stop_io_queues(ctrl);
}
blk_mq_quiesce_queue(ctrl->ctrl.admin_q);
nvme_rdma_stop_queue(&ctrl->queues[0]);
/* We must take care of fastfail/requeue all our inflight requests */
if (ctrl->ctrl.queue_count > 1)
blk_mq_tagset_busy_iter(&ctrl->tag_set,
nvme_cancel_request, &ctrl->ctrl);
nvme_rdma_destroy_io_queues(ctrl, false);
}
blk_mq_quiesce_queue(ctrl->ctrl.admin_q);
blk_mq_tagset_busy_iter(&ctrl->admin_tag_set,
nvme_cancel_request, &ctrl->ctrl);
nvme_rdma_destroy_admin_queue(ctrl, false);
/*
* queues are not a live anymore, so restart the queues to fail fast
......
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