K 10
svn:author
V 3
pjd
K 8
svn:date
V 27
2011-10-27T20:01:23.914945Z
K 7
svn:log
V 141
- Eliminate the need for hio_nv.
- Introduce hio_clear() function for clearing hio before returning it
  onto free queue.

MFC after:	3 days

END