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nvme-rdma: cleanup error path in controller reset

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No need to queue an extra work to indirect controller removal, just call the
ctrl remove routine.

Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Sagi Grimberg 2017-07-10 09:22:38 +03:00
parent 68e16fcfaf
commit 370ae6e450
1 changed files with 9 additions and 23 deletions
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32
drivers/nvme/host/rdma.c
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@ -1732,13 +1732,10 @@ static void nvme_rdma_shutdown_ctrl(struct nvme_rdma_ctrl *ctrl, bool shutdown)
nvme_rdma_destroy_admin_queue(ctrl, 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); nvme_remove_namespaces(&ctrl->ctrl);
if (shutdown) nvme_rdma_shutdown_ctrl(ctrl, true);
nvme_rdma_shutdown_ctrl(ctrl, shutdown);
nvme_uninit_ctrl(&ctrl->ctrl); nvme_uninit_ctrl(&ctrl->ctrl);
nvme_put_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 *ctrl = container_of(work,
struct nvme_rdma_ctrl, delete_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) 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; 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) static void nvme_rdma_reset_ctrl_work(struct work_struct *work)
{ {
struct nvme_rdma_ctrl *ctrl = 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); nvme_rdma_shutdown_ctrl(ctrl, false);
ret = nvme_rdma_configure_admin_queue(ctrl, false); ret = nvme_rdma_configure_admin_queue(ctrl, false);
if (ret) { if (ret)
/* ctrl is already shutdown, just remove the ctrl */ goto out_fail;
INIT_WORK(&ctrl->delete_work, nvme_rdma_remove_ctrl_work);
goto del_dead_ctrl;
}
if (ctrl->ctrl.queue_count > 1) { if (ctrl->ctrl.queue_count > 1) {
ret = nvme_rdma_configure_io_queues(ctrl, false); ret = nvme_rdma_configure_io_queues(ctrl, false);
if (ret) if (ret)
goto del_dead_ctrl; goto out_fail;
} }
changed = nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_LIVE); 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; return;
del_dead_ctrl: out_fail:
/* Deleting this dead controller... */
dev_warn(ctrl->ctrl.device, "Removing after reset failure\n"); 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 = { static const struct nvme_ctrl_ops nvme_rdma_ctrl_ops = {