[PATCH] nvme-multipath: implement active-active round-robin path selector

[Sagi Grimberg]

> For PCIe devices the right policy is not a round robin but to use
> the pcie device closer to the node.  I did a prototype for that
> long ago and the concept can work.  Can you look into that and
> also make that policy used automatically for PCIe devices?

I think that active/active makes sense for fabrics (link throughput
aggregation) but also for dual-ported pci devices (given that
this is a real use-case).

I agree that the default can be a home-node path selection.