aboutsummaryrefslogtreecommitdiffstats
path: root/package/block-mount/files/10-swap
diff options
context:
space:
mode:
Diffstat (limited to 'package/block-mount/files/10-swap')
-rw-r--r--package/block-mount/files/10-swap78
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
+