Reconnect on RDMA device reset

[Sagi Grimberg]

Hi Chuck,

> For NFS/RDMA, I think of the "failover" case where a device is
> removed, then a new one is plugged in (or an existing cold
> replacement is made available) with the same IP configuration.
> 
> On a "hard" NFS mount, we want the upper layers to wait for
> a new suitable device to be made available, and then to use
> it to resend any pending RPCs. The workload should continue
> after a new device is available.

Really? so the context is held forever (in case the device never
comes back)?