K 10 svn:author V 4 jeff K 8 svn:date V 27 2020-01-23T05:11:01.893948Z K 7 svn:log V 141 (fault 4/9) Move copy-on-write into a dedicated function. Reviewed by: kib, markj Differential Revision: https://reviews.freebsd.org/D23304 END