K 10 svn:author V 3 mav K 8 svn:date V 27 2013-04-18T10:40:40.359311Z K 7 svn:log V 387 MFC r249108: - Unify device to target insertion inside xpt_alloc_device() instead of duplicating it three times. - Reformat code to reduce indentation. - Add lock assertions to every point where reference counters are modified. - When reference counters are reaching zero, add assertions that there are no children items left. - Add a bit more locking to the xptpdperiphtraverse(). END