K 10 svn:author V 5 trasz K 8 svn:date V 27 2015-11-08T17:33:48.249196Z K 7 svn:log V 439 Userspace part of reroot support. This makes it possible to change the root filesystem without full reboot, using "reboot -r". This can be used to to eg. boot from a temporary md_image preloaded by loader(8), setup an iSCSI session, and continue booting from rootfs mounted over iSCSI. Reviewed by: kib@, bapt@ MFC after: 1 month Relnotes: yes Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D3693 END