zfsonlinux/zfs — pull request #533 by rlaager (2012-01-13 22:28:02+00:00)
Title: Allow setting bootfs on any pool

The vdev_is_bootable() restrictions are no longer necessary with recent
GRUB2 code. FreeBSD has implemented the same change, except that I
moved the Solaris comment to be inside the #ifdef __sun__ block.