K 10 svn:author V 3 phk K 8 svn:date V 27 2004-09-14T05:49:18.000000Z K 7 svn:log V 200 Add three spare fields to reserve room so we can MFC the in-progress work on safe device removal at a later date without breaking binary compatibility on the RELENG_5 branch. Approved by: re::scottl END