[Twg] Xyratex roadmap items

[Nathan Rutman]

Hi all - 
at SC11 John had a nice slide of a community roadmap, which was sadly lacking any Xyratex items.  Since we're officially part of OpenSFS now, I'd like to add our current plans, with the usual caveats about how we might change our minds.

3/12 CRC-32c SW (crypto-api version of CRC-32c so that it is no longer cpu-specific.)
3/12 CRC-32 HW (add HW acceleration to crypto-api version of CRC-32, and use it.)
4/12 4MB IO
4/12 NRS noop (null policy)
5/12 NRS obrr (object-based round-robin policy)
7/12 End-to-End Data Integrity with T10 =