| 1 | #!/bin/sh |
| 2 | # Copyright (C) 2009-2010 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 | . /lib/functions/block.sh |
| 9 | |
| 10 | blkdev=`dirname $DEVPATH` |
| 11 | |
| 12 | if [ `basename $blkdev` != "block" ]; then |
| 13 | |
| 14 | device=`basename $DEVPATH` |
| 15 | |
| 16 | |
| 17 | case "$ACTION" in |
| 18 | add) |
| 19 | local autoswap_from_fstab |
| 20 | local automount_from_fstab |
| 21 | local from_fstab |
| 22 | local anon_mount |
| 23 | local anon_swap |
| 24 | local anon_fsck |
| 25 | local mds_mount_device |
| 26 | local sds_swap_device |
| 27 | local sds_swap_enabled |
| 28 | local use_device |
| 29 | local do_swap=0 |
| 30 | |
| 31 | mount_dev_section_cb() { |
| 32 | mds_mount_device="$3" |
| 33 | } |
| 34 | |
| 35 | swap_dev_section_cb() { |
| 36 | sds_swap_device="$2" |
| 37 | sds_swap_enabled="$3" |
| 38 | return 0 |
| 39 | } |
| 40 | |
| 41 | config_get_automount |
| 42 | automount_from_fstab="$from_fstab" |
| 43 | |
| 44 | [ "$automount_from_fstab" -eq 1 ] && { |
| 45 | config_get_mount_section_by_device "/dev/$device" |
| 46 | } |
| 47 | |
| 48 | # skip trying swap if this device is defined as a mount point |
| 49 | [ -z "$mds_mount_device" ] && { |
| 50 | config_get_autoswap |
| 51 | autoswap_from_fstab="$from_fstab" |
| 52 | |
| 53 | [ "$autoswap_from_fstab" -eq 1 ] && { |
| 54 | config_get_swap_section_by_device "/dev/$device" |
| 55 | use_device="$sds_swap_device" |
| 56 | do_swap="$sds_swap_enabled" |
| 57 | } |
| 58 | |
| 59 | [ -z "$use_device" ] && [ "$anon_swap" -eq 1 ] && { |
| 60 | use_device="/dev/$device" && do_swap=1 |
| 61 | } |
| 62 | } |
| 63 | |
| 64 | [ -n "$use_device" ] && [ "$do_swap" -eq 1 ] && { |
| 65 | grep -q "$use_device" /proc/swaps || grep -q "$use_device" /proc/mounts || { |
| 66 | swapon "$use_device" |
| 67 | } |
| 68 | } |
| 69 | reset_dev_section_cb |
| 70 | ;; |
| 71 | remove) |
| 72 | grep -q "/dev/$device" /proc/swaps && { |
| 73 | swapoff "/dev/$device" |
| 74 | } |
| 75 | ;; |
| 76 | esac |
| 77 | fi |
| 78 | |
| 79 | |
