 - UFS no longer uses PDIRUNLOCK to track the parent state.  Instead, we now    rely on ufs to always leave the parent locked except in the ISDOTDOT    case.  Adjust asserts to deal with these changes.
 - UFS no longer uses PDIRUNLOCK to track the parent state.  Instead, we now
   rely on ufs to always leave the parent locked except in the ISDOTDOT
   case.  Adjust asserts to deal with these changes.

Sponsored by:	Isilon Systems, Inc.

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