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nvme-rdma: stop queues instead of simply flipping their state 

If we move the queues from LIVE state, we might as well stop them (drain
for rdma).  Do it after we stop the request queues to prevent a stray
request sneaking in .queue_rq after we stop the queue.

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 09:22:35 +03:00
parent a57bd54122
commit 148b4e7ff3
1 changed files with 4 additions and 5 deletions
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9
drivers/nvme/host/rdma.c
View File

@ -945,16 +945,15 @@ static void nvme_rdma_error_recovery_work(struct work_struct *work)
{
struct nvme_rdma_ctrl *ctrl = container_of(work,
struct nvme_rdma_ctrl, err_work);
int i;
nvme_stop_ctrl(&ctrl->ctrl);
for (i = 0; i < ctrl->ctrl.queue_count; i++)
clear_bit(NVME_RDMA_Q_LIVE, &ctrl->queues[i].flags);
if (ctrl->ctrl.queue_count > 1)
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)