K 10
svn:author
V 6
tsoome
K 8
svn:date
V 27
2020-06-05T18:18:27.637752Z
K 7
svn:log
V 299
zfsbootcfg: use vfs.root.mountfrom and update nextboot on every vdev

vfs.zfs.boot.primary_pool is only set on BIOS boot, use vfs.root.mountfrom
instead and update all vdevs on pool.

Reviewed by:	allanjude
Sponsored by:	Netflix, Klara Inc.
Differential Revision:	https://reviews.freebsd.org/D25103

END