1#!@DEFAULT_INIT_SHELL@ 2# SPDX-License-Identifier: BSD-2-Clause 3# shellcheck disable=SC2154 4# 5# zfs-mount This script will mount/umount the zfs filesystems. 6# 7# chkconfig: 2345 06 99 8# description: This script will mount/umount the zfs filesystems during 9# system boot/shutdown. Configuration of which filesystems 10# should be mounted is handled by the zfs 'mountpoint' and 11# 'canmount' properties. See the zfs(8) man page for details. 12# It is also responsible for all userspace zfs services. 13# probe: true 14# 15### BEGIN INIT INFO 16# Provides: zfs-mount 17# Required-Start: zfs-import 18# Required-Stop: $local_fs zfs-import 19# Default-Start: S 20# Default-Stop: 0 1 6 21# X-Start-Before: mountall 22# X-Stop-After: zfs-zed 23# Short-Description: Mount ZFS filesystems and volumes 24# Description: Run the `zfs mount -a` or `zfs umount -a` commands. 25### END INIT INFO 26# 27# Released under the 2-clause BSD license. 28# 29# This script is based on debian/zfsutils.zfs.init from the 30# Debian GNU/kFreeBSD zfsutils 8.1-3 package, written by Aurelien Jarno. 31 32# Source the common init script 33. @sysconfdir@/zfs/zfs-functions 34 35# ---------------------------------------------------- 36 37chkroot() { 38 while read -r _ mp _; do 39 if [ "$mp" = "/" ]; then 40 return 0 41 fi 42 done < /proc/self/mounts 43 44 return 1 45} 46 47do_depend() 48{ 49 # Try to allow people to mix and match fstab with ZFS in a way that makes sense. 50 if [ "$(mountinfo -s /)" = 'zfs' ] 51 then 52 before localmount 53 else 54 after localmount 55 fi 56 57 # bootmisc will log to /var which may be a different zfs than root. 58 before bootmisc logger 59 60 after zfs-import sysfs 61 use mtab 62 keyword -lxc -openvz -prefix -vserver 63} 64 65# Mount all datasets/filesystems 66do_mount() 67{ 68 local verbose overlay 69 70 check_boolean "$VERBOSE_MOUNT" && verbose=v 71 check_boolean "$DO_OVERLAY_MOUNTS" && overlay=O 72 73 zfs_action "Mounting ZFS filesystem(s)" \ 74 "$ZFS" mount "-a$verbose$overlay" "$MOUNT_EXTRA_OPTIONS" 75 76 return 0 77} 78 79# Unmount all filesystems 80do_unmount() 81{ 82 # This shouldn't really be necessary, as long as one can get 83 # zfs-import to run sufficiently late in the shutdown/reboot process 84 # - after unmounting local filesystems. This is just here in case/if 85 # this isn't possible. 86 zfs_action "Unmounting ZFS filesystems" "$ZFS" unmount -a 87 88 return 0 89} 90 91do_start() 92{ 93 check_boolean "$ZFS_MOUNT" || exit 0 94 95 check_module_loaded "zfs" || exit 0 96 97 # Ensure / exists in /proc/self/mounts. 98 # This should be handled by rc.sysinit but lets be paranoid. 99 if ! chkroot 100 then 101 mount -f / 102 fi 103 104 do_mount 105} 106 107do_stop() 108{ 109 check_boolean "$ZFS_UNMOUNT" || exit 0 110 111 check_module_loaded "zfs" || exit 0 112 113 do_unmount 114} 115 116# ---------------------------------------------------- 117 118if @IS_SYSV_RC@ 119then 120 case "$1" in 121 start) 122 do_start 123 ;; 124 stop) 125 do_stop 126 ;; 127 force-reload|condrestart|reload|restart|status) 128 # no-op 129 ;; 130 *) 131 [ -n "$1" ] && echo "Error: Unknown command $1." 132 echo "Usage: $0 {start|stop}" 133 exit 3 134 ;; 135 esac 136 137 exit $? 138else 139 # Create wrapper functions since Gentoo don't use the case part. 140 depend() { do_depend; } 141 start() { do_start; } 142 stop() { do_stop; } 143fi 144