From 370ae6e450260c8bd3e1ea75c1390f746d3c71ee Mon Sep 17 00:00:00 2001 From: Sagi Grimberg Date: Mon, 10 Jul 2017 09:22:38 +0300 Subject: [PATCH] nvme-rdma: cleanup error path in controller reset No need to queue an extra work to indirect controller removal, just call the ctrl remove routine. Signed-off-by: Sagi Grimberg Signed-off-by: Christoph Hellwig --- drivers/nvme/host/rdma.c | 32 +++++++++----------------------- 1 file changed, 9 insertions(+), 23 deletions(-) diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c index 09c4ea8332d7..1bf7c3a55c96 100644 --- a/drivers/nvme/host/rdma.c +++ b/drivers/nvme/host/rdma.c @@ -1732,13 +1732,10 @@ static void nvme_rdma_shutdown_ctrl(struct nvme_rdma_ctrl *ctrl, bool shutdown) nvme_rdma_destroy_admin_queue(ctrl, shutdown); } -static void __nvme_rdma_remove_ctrl(struct nvme_rdma_ctrl *ctrl, bool shutdown) +static void nvme_rdma_remove_ctrl(struct nvme_rdma_ctrl *ctrl) { - nvme_stop_ctrl(&ctrl->ctrl); nvme_remove_namespaces(&ctrl->ctrl); - if (shutdown) - nvme_rdma_shutdown_ctrl(ctrl, shutdown); - + nvme_rdma_shutdown_ctrl(ctrl, true); nvme_uninit_ctrl(&ctrl->ctrl); nvme_put_ctrl(&ctrl->ctrl); } @@ -1748,7 +1745,8 @@ static void nvme_rdma_del_ctrl_work(struct work_struct *work) struct nvme_rdma_ctrl *ctrl = container_of(work, struct nvme_rdma_ctrl, delete_work); - __nvme_rdma_remove_ctrl(ctrl, true); + nvme_stop_ctrl(&ctrl->ctrl); + nvme_rdma_remove_ctrl(ctrl); } static int __nvme_rdma_del_ctrl(struct nvme_rdma_ctrl *ctrl) @@ -1780,14 +1778,6 @@ static int nvme_rdma_del_ctrl(struct nvme_ctrl *nctrl) return ret; } -static void nvme_rdma_remove_ctrl_work(struct work_struct *work) -{ - struct nvme_rdma_ctrl *ctrl = container_of(work, - struct nvme_rdma_ctrl, delete_work); - - __nvme_rdma_remove_ctrl(ctrl, false); -} - static void nvme_rdma_reset_ctrl_work(struct work_struct *work) { struct nvme_rdma_ctrl *ctrl = @@ -1799,16 +1789,13 @@ static void nvme_rdma_reset_ctrl_work(struct work_struct *work) nvme_rdma_shutdown_ctrl(ctrl, false); ret = nvme_rdma_configure_admin_queue(ctrl, false); - if (ret) { - /* ctrl is already shutdown, just remove the ctrl */ - INIT_WORK(&ctrl->delete_work, nvme_rdma_remove_ctrl_work); - goto del_dead_ctrl; - } + if (ret) + goto out_fail; if (ctrl->ctrl.queue_count > 1) { ret = nvme_rdma_configure_io_queues(ctrl, false); if (ret) - goto del_dead_ctrl; + goto out_fail; } changed = nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_LIVE); @@ -1818,10 +1805,9 @@ static void nvme_rdma_reset_ctrl_work(struct work_struct *work) return; -del_dead_ctrl: - /* Deleting this dead controller... */ +out_fail: dev_warn(ctrl->ctrl.device, "Removing after reset failure\n"); - WARN_ON(!queue_work(nvme_wq, &ctrl->delete_work)); + nvme_rdma_remove_ctrl(ctrl); } static const struct nvme_ctrl_ops nvme_rdma_ctrl_ops = { -- 2.20.1