K 10 svn:author V 5 benno K 8 svn:date V 27 2008-06-13T00:48:09.073086Z K 7 svn:log V 179 Use callout_init_mtx to simplify locking somewhat. While we're here, rearrange some operations in smc_detach to remove the need for the smc_shutdown variable. Suggested by: jhb END