| 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 /var/lock/fstab.lck |
| 70 | [ -e /tmp/fstab ] || { |
| 71 | echo '# WARNING: this is an auto generated file, please use uci to set defined filesystems' > /tmp/fstab |
| 72 | } |
| 73 | lock -u /var/lock/fstab.lck |
| 74 | config_foreach do_swapon swap |
| 75 | config_foreach do_mount mount |
| 76 | config_foreach do_swapon swap # do swap a second time so that swap on filesystems is enabled |
| 77 | } |
| 78 | |
| 79 | stop() { |
| 80 | . /lib/functions/mount.sh |
| 81 | |
| 82 | config_load fstab |
| 83 | config_foreach do_unmount mount |
| 84 | config_foreach do_swapoff swap |
| 85 | swapoff -a |
| 86 | } |
| 87 | |
| 88 | |
| 89 | |