1#!/bin/sh 2# 3# $FreeBSD$ 4# 5 6# PROVIDE: zfsbe 7# REQUIRE: mountcritlocal 8 9# Handle boot environment subordinate filesystems 10# that may have canmount property set to noauto. 11# For these filesystems mountpoint relative to / 12# must be the same as their dataset name relative 13# to BE root dataset. 14 15. /etc/rc.subr 16 17name="zfsbe" 18rcvar="zfs_enable" 19start_cmd="be_start" 20stop_cmd="be_stop" 21required_modules="zfs" 22 23mount_subordinate() 24{ 25 local _be 26 27 _be=$1 28 zfs list -rH -o mountpoint,name,canmount,mounted -s mountpoint -t filesystem $_be | \ 29 while read _mp _name _canmount _mounted ; do 30 # skip filesystems that must not be mounted 31 [ "$_canmount" = "off" ] && continue 32 # skip filesystems that are already mounted 33 [ "$_mounted" = "yes" ] && continue 34 case "$_mp" in 35 "none" | "legacy" | "/" | "/$_be") 36 # do nothing for filesystems with unset or legacy mountpoint 37 # or those that would be mounted over / 38 ;; 39 "/$_be/"*) 40 # filesystems with mountpoint relative to BE 41 mount -t zfs $_name ${_mp#/$_be} 42 ;; 43 *) 44 # filesystems with mountpoint elsewhere 45 zfs mount $_name 46 ;; 47 esac 48 done 49} 50 51activate_bootonce() 52{ 53 local _dev 54 local _bootonce 55 local _be 56 57 _dev=$1 58 _be=${_dev##*/} 59 60 _bootonce="`kenv -q zfs-bootonce`" 61 if [ "$_bootonce" = "zfs:${_dev}:" ] ; then 62 bectl activate $_be 63 fi 64} 65 66be_start() 67{ 68 if [ `$SYSCTL_N security.jail.jailed` -eq 1 ]; then 69 : 70 else 71 mount -p | while read _dev _mp _type _rest; do 72 [ $_mp = "/" ] || continue 73 if [ $_type = "zfs" ] ; then 74 mount_subordinate $_dev 75 if checkyesno zfs_bootonce_activate; then 76 activate_bootonce $_dev 77 fi 78 fi 79 break 80 done 81 fi 82} 83 84be_stop() 85{ 86} 87 88load_rc_config $name 89run_rc_command "$1" 90