package/block-mount/files/fstab.init

   1 #!/bin/sh /etc/rc.common
   2 # Copyright (C) 2007 OpenWrt.org
   3 # Copyright (C) 2010 Vertical Communications
   4 # This is free software, licensed under the GNU General Public License v2.
   5 # See /LICENSE for more information.
   6 #
   7
   8
   9 START=20
  10
  11 EXTRA_COMMANDS="overlay_enable whole_root_enable"
  12 EXTRA_HELP="        overlay_enable    Reenable overlay rootfs. (After you fix it).
  13         whole_root_enable Reenable whole-disk rootfs.  (After you fix it)."
  14
  15 rootfs_enable() {
  16         local extroot_type="$1"
  17
  18         if [ ! -d /tmp/${extroot_type}-disabled ]; then
  19                 echo "No disabled ${extroot_type} present (/tmp/${extroot_type}-disabled).  Can't renable."
  20                 exit 1
  21         fi
  22
  23         rm -f /tmp/${extroot_type}-disabled/.extroot.md5sum
  24         rm -f /tmp/${extroot_type}-disabled/etc/extroot.md5sum
  25         echo "Please reboot router to complete re-enabling external rootfs."
  26 }
  27
  28 overlay_enable() {
  29         rootfs_enable overlay
  30 }
  31
  32 whole_root_enable() {
  33         rootfs_enable whole_root
  34 }
  35
  36 do_mount() {
  37         local cfg="$1"
  38         config_mount_by_section "$cfg"
  39 }
  40
  41 do_swapon() {
  42         local cfg="$1"
  43         config_swapon_by_section "$cfg"
  44 }
  45
  46 do_unmount() {
  47         local cfg="$1"
  48
  49         config_get target "$cfg" target
  50         config_get_bool enabled "$cfg" "enabled" '1'
  51         [ -n "$target" -a "$enabled" -gt 0 ] || return 0
  52         umount $target
  53 }
  54
  55 do_swapoff() {
  56         local cfg="$1"
  57
  58         config_get device "$cfg" device
  59         config_get_bool enabled "$cfg" "enabled" '1'
  60         [ -n "$device" -a  "$enabled" -gt 0 ] && type swapoff >/dev/null || return 0
  61         swapoff $device
  62 }
  63
  64 start() {
  65         . /lib/functions/mount.sh
  66
  67         config_load fstab
  68         mkdir -p /var/lock
  69         lock -w /var/lock/fstab.lck && {
  70                 lock /var/lock/fstab.lck
  71                 [ -e /tmp/fstab ] || {
  72                         echo '# WARNING: this is an auto generated file, please use uci to set defined filesystems' > /tmp/fstab
  73                 }
  74                 lock -u /var/lock/fstab.lck
  75         }
  76         config_foreach do_swapon swap
  77         config_foreach do_mount mount
  78         config_foreach do_swapon swap  # do swap a second time so that swap on filesystems is enabled
  79 }
  80
  81 stop() {
  82         . /lib/functions/mount.sh
  83
  84         config_load fstab
  85         config_foreach do_unmount mount
  86         config_foreach do_swapoff swap
  87         swapoff -a
  88 }
  89
  90