K 10 svn:author V 3 pjd K 8 svn:date V 27 2011-08-23T07:00:51.199847Z K 7 svn:log V 265 MFC r224791: Eliminate the zfsdev_state_lock entirely and replace it with the spa_namespace_lock. This fixes LOR between the spa_namespace_lock and spa_config lock. LOR can cause deadlock on vdevs removal/insertion. Reported by: gibbs, delphij Tested by: delphij END