[package] block-mount block-extroot: Add commands /etc/init.d/fstab overlay_enable...
[openwrt/svn-archive/archive.git] / 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