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#!/bin/bash
#
# Copyright (C) 2007 Karel Zak <kzak@redhat.com>
#
# This file is part of util-linux-ng.
#
# This file is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License.
#
# This file is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# Test swap device initialization and usage
. commands.sh
. functions.sh
TS_COMPONENT="mkswap"
TS_DESC="doit"
ts_init
if [ $UID != 0 ]; then
ts_skip "not root permissions"
fi
set -o pipefail
touch $TS_OUTPUT
IMAGE="$TS_OUTDIR/loop-swap.img"
IMAGE_RE=$( echo $IMAGE | sed 's:/:\\/:g' )
LABEL="testSwap"
dd if=/dev/zero of=$IMAGE bs=1M count=20 &> /dev/null
DEVICE=$( $TS_CMD_LOSETUP -f )
$TS_CMD_LOSETUP $DEVICE $IMAGE 2>&1 >> $TS_OUTPUT
# XXX: atomic version: depends on "losetup -a"
## create the device
#$TS_CMD_LOSETUP -f $IMAGE 2>&1 >> $TS_OUTPUT
#
## get the device name
#DEVICE=$( $TS_CMD_LOSETUP -a | gawk 'BEGIN {FS=":"} /'$IMAGE_RE'/ { print $1 }' )
# make the swap
$TS_CMD_MKSWAP -L $LABEL $DEVICE 2>&1 >> $TS_OUTPUT
# check it
blkid -c /dev/null -w /dev/null -s TYPE $DEVICE 2>&1 | grep -q 'TYPE="swap"' 2>&1 >> $TS_OUTPUT
if [ "$?" != "0" ]; then
echo "Cannot found Linux swap on $DEVICE" >> $TS_OUTPUT
#$TS_CMD_LOSETUP -d $DEVICE 2>&1 >> $TS_OUTPUT
ts_finalize
fi
# try connect it to system (and found the device by label)
$TS_CMD_SWAPON -L $LABEL 2>&1 >> $TS_OUTPUT
# check it
grep -q $DEVICE /proc/swaps
if [ "$?" != "0" ]; then
echo "Cannot found $DEVICE in /proc/swaps" >> $TS_OUTPUT
$TS_CMD_LOSETUP -d $DEVICE 2>&1 >> $TS_OUTPUT
ts_finalize
fi
# swapoff doesn't exist in build tree
if [ ! -x "$TS_CMD_SWAPOFF" ]; then
ln -sf $TS_CMD_SWAPON $TS_CMD_SWAPOFF
REMSWAPOFF="true"
fi
$TS_CMD_SWAPOFF $DEVICE 2>&1 >> $TS_OUTPUT
$TS_CMD_LOSETUP -d $DEVICE 2>&1 >> $TS_OUTPUT
if [ -n "$REMSWAPOFF" ]; then
rm -f $TS_CMD_SWAPOFF
fi
ts_finalize
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