Re: [PATCH] nvme-rdma: complete requests from ->timeout

[Sagi Grimberg]

> This does not hold at least for NVMe RDMA host driver. An example scenario
> is when the RDMA connection is gone while the controller is being deleted.
> In this case, the nvmf_reg_write32() for sending shutdown admin command by
> the delete_work could be hung forever if the command is not completed by
> the timeout handler.

If the queue is gone, this means that the queue has already flushed and
any commands that were inflight has completed with a flush error
completion...

Can you describe the scenario that caused this hang? When has the
queue became "gone" and when did the shutdown command execute?