ref: efc7a9a729b075aab06bc24ae778304ad98c3ab6
parent: 302e5bc94465df9b36e326faea94dcd018b1b491
author: Ori Bernstein <ori@eigenstate.org>
date: Fri Aug 12 06:36:55 EDT 2022
fshalt: allow passing a kernel to 'fshalt -r' reboot(1) doesn't shut down the file system gracefully, and fshalt -r didn't support passing a kernel; this change allows rebooting into a new kernel with fshalt.