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Sagi Grimberg 2362acb678 nvme-rdma: fix reset hang if controller died in the middle of a reset
If the controller becomes unresponsive in the middle of a reset, we
will hang because we are waiting for the freeze to complete, but that
cannot happen since we have commands that are inflight holding the
q_usage_counter, and we can't blindly fail requests that times out.

So give a timeout and if we cannot wait for queue freeze before
unfreezing, fail and have the error handling take care how to
proceed (either schedule a reconnect of remove the controller).

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
2020-08-28 16:43:57 -07:00
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drivers nvme-rdma: fix reset hang if controller died in the middle of a reset 2020-08-28 16:43:57 -07:00
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Linux kernel
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