K 10 svn:author V 8 mckusick K 8 svn:date V 27 2004-02-23T06:40:17.000000Z K 7 svn:log V 361 Change UFS from using vop_stdlock to using its own ufs_lock. In ufs_lock, check for attempts to acquire shared locks on snapshot files and change them to be exclusive locks. This change eliminates deadlocks and machine lockups reported in -current since most read requests started using shared lock requests. Submitted by: Jun Kuriyama END