IoGetOplockFullFoExt

_OPLOCK_FOEXT *__stdcall IoGetOplockFullFoExt(_FILE_OBJECT *FileObject){
  _OPLOCK_FOEXT *result; 
  _OPLOCK_FOEXT **FileObjectExtension; 

  result = 0i64;
  if( FileObject )
  {
    FileObjectExtension = (_OPLOCK_FOEXT **)FileObject->FileObjectExtension;
    if( FileObjectExtension )
    {
      if( FileObjectExtension != IopRevocationExtension )
        return FileObjectExtension[7];
    }
  }
  return result;
}

Referenced by:

FsRtlpOplockCleanup
FsRtlpOplockDequeueRH