K 10 svn:author V 8 mckusick K 8 svn:date V 27 2011-07-15T16:20:33.080179Z K 7 svn:log V 430 Add an FFS specific mount option to allow a filesystem checker (typically fsck_ffs) to register that it wishes to use FFS specific sysctl's to update the filesystem. This ensures that two checkers cannot run on a given filesystem at the same time and that no other process accidentally or maliciously uses the filesystem updating sysctls inappropriately. This functionality is needed by the journaling soft-updates recovery code. END