Jim Harris 8d09e3c400 Use MAXPHYS to specify the maximum I/O size for nvme(4).
Also allow admin commands to transfer up to this maximum I/O size, rather
than the artificial limit previously imposed.  The larger I/O size is very
beneficial for upcoming firmware download support.  This has the added
benefit of simplifying the code since both admin and I/O commands now use
the same maximum I/O size.

Sponsored by:	Intel
MFC after:	3 days
2013-06-26 23:27:17 +00:00
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