Xin LI 535875c734 Simplify r243637 and make sure that nfsdargs.{min,max}threads are always set
to meaningful value:

 - When nfsdcnt is set, it dictates all values;
 - Otherwise, nfsdargs.minthreads is set to user specified value, or the
   automatically detected value if there is no one specified;
   nfsdargs.maxthreads is set to the user specified value, or the value
   of nfsdargs.minthreads if there is no one specified; when it is smaller
   than nfsdargs.minthreads, the latter's value is always used.

MFC after:	2 weeks
2013-02-14 02:00:41 +00:00
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