OpenWRT/swapfile
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Update 'etc-init.d-swapfile'

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fernao 2023-07-03 18:15:27 -03:00
parent 3addb104ce
commit 60acce89ee
1 changed files with 23 additions and 8 deletions
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31
etc-init.d-swapfile
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@ -1,14 +1,20 @@
#!/bin/sh /etc/rc.common
# (C) 2016 - 2023 Fernao Vellozo
# (C) 2016 - 2023 Fernao Vellozo | fernao@disroot.org
# This is free software under the terms of GPLv3
# v 1.0.5
# Service priority in the system
START=90
EXTRA_COMMANDS="status create"
EXTRA_HELP=" status Check service status
create Create a swapfile"
# if version is 19 or lower, use spaces on the help menu above
# if version 21 or higher, use tabs
#
# overlay partition is the default value
# it's better to change it and use other place to store the swapfile
# default value, it'd be better to use other place than overlay
SWPATH="/overlay/swapfile"
boot() {
@ -57,19 +63,28 @@ stop() {
create() {
RAMTOTAL=`fgrep MemTotal /proc/meminfo | awk '{print $2}'`
SWAPTOTAL=`fgrep SwapTotal /proc/meminfo | awk '{print $2}'`
OVERLAYSIZE=`df | grep overlayfs | awk '{print $3}'`
if [ $OVERLAYSIZE < $RAMTOTAL ]; then
OVERLAYSIZE=`df | grep overlayfs | awk '{print $4}'`
if [ "$OVERLAYSIZE" -lt "$RAMTOTAL" ]; then
echo "ERROR: Not enough storage for a swapfile, quitting..."
exit 1
elif [ $SWAPTOTAL != 0 ]; then
echo "ERROR: Swap already in use, quitting..."
exit 1
elif [ -f $SWPATH ]; then
echo "ERROR: File already exists, quitting..."
exit 1
else
dd if=/dev/zero of=$SWFILE bs=1024 count=$RAMTOTAL
mkswap -L SWAPFILE $SWFILE
chmod 600 $SWFILE
echo "Creating Swap File of "$RAMTOTAL
echo "Please wait..."
dd if=/dev/zero of=$SWPATH bs=1024 count=$RAMTOTAL
mkswap -L SWAPFILE $SWPATH
chmod 600 $SWPATH
/etc/init.d/swapfile enable
logger "SwapFile created"
echo "SwapFile successfully created, enabled to run after the next reboot"
echo "SwapFile successfully created and enabled to run after the next reboot"
/etc/init.d/swapfile start
echo; free
fi
}