K 10 svn:author V 5 tegge K 8 svn:date V 27 2006-10-09T19:47:17.000000Z K 7 svn:log V 240 MFC: Use mount interlock to protect all changes to mnt_flag and mnt_kern_flag. This eliminates a race where MNT_UPDATE flag could be lost when nmount() raced against sync(), sync_fsync() or quotactl(). Approved by: re (kensmith) END