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Diffstat (limited to 'package/block-mount/files/10-swap')
-rw-r--r-- | package/block-mount/files/10-swap | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/package/block-mount/files/10-swap b/package/block-mount/files/10-swap new file mode 100644 index 0000000000..2837d2763e --- /dev/null +++ b/package/block-mount/files/10-swap @@ -0,0 +1,78 @@ +#!/bin/sh +# Copyright (C) 2009-2010 OpenWrt.org +# Copyright (C) 2010 Vertical Communications +# This is free software, licensed under the GNU General Public License v2. +# See /LICENSE for more information. +# + +. /lib/functions/block.sh + +blkdev=`dirname $DEVPATH` + +if [ `basename $blkdev` != "block" ]; then + + device=`basename $DEVPATH` + + + case "$ACTION" in + add) + local autoswap_from_fstab + local automount_from_fstab + local from_fstab + local anon_mount + local anon_swap + local anon_fsck + local mds_mount_device + local sds_swap_device + local sds_swap_enabled + local use_device + local do_swap=0 + + mount_dev_section_cb() { + mds_mount_device="$3" + } + + swap_dev_section_cb() { + sds_swap_device="$2" + sds_swap_enabled="$3" + return 0 + } + + config_get_automount + automount_from_fstab="$from_fstab" + + [ "$automount_from_fstab" -eq 1 ] && { + config_get_mount_section_by_device "/dev/$device" + } + + # skip trying swap if this device is defined as a mount point + [ -z "$mds_mount_device" ] && { + config_get_autoswap + autoswap_from_fstab="$from_fstab" + + [ "$autoswap_from_fstab" -eq 1 ] && { + config_get_swap_section_by_device "/dev/$device" + use_device="$sds_swap_device" + do_swap="$sds_swap_enabled" + } + + [ -z "$use_device" ] && [ "$anon_swap" -eq 1 ] && { + use_device="/dev/$device" && do_swap=1 + } + } + + [ -n "$use_device" ] && [ "$do_swap" -eq 1 ] && { + grep -q "$use_device" /proc/swaps || grep -q "$use_device" /proc/mounts || { + swapon "$use_device" + } + } + reset_dev_section_cb + ;; + remove) + grep -q "/dev/$device" /proc/swaps && { + swapoff "/dev/$device" + } + ;; + esac +fi + |