K 10
svn:author
V 3
mdf
K 8
svn:date
V 27
2010-06-11T17:03:26.535243Z
K 7
svn:log
V 313
Add INVARIANTS checking that numfreebufs values are sane.  Also add a
per-buf flag to catch if a buf is double-counted in the free count.
This code was useful to debug an instance where a local patch at Isilon
was incorrectly managing numfreebufs for a new buf state.

Reviewed by:	jeff
Approved by:	zml (mentor)

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