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#!/bin/bash
# This file is part of util-linux.
#
# 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, or
# (at your option) any later version.
#
# 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.
TS_TOPDIR="${0%/*}/../.."
TS_DESC="swaplabel"
. $TS_TOPDIR/functions.sh
ts_init "$*"
ts_check_test_command "$TS_CMD_MKSWAP"
ts_check_test_command "$TS_CMD_SWAPLABEL"
ts_check_test_command "$TS_HELPER_SYSINFO"
# fallocate does not work on most file systems
function fallocate_or_skip()
{
$TS_CMD_FALLOCATE -l $1 $2 2>/dev/null || \
truncate -s $1 $2 || \
ts_skip "no way to create test image"
}
IMAGE=${TS_OUTDIR}/${TS_TESTNAME}.file
PAGE_SIZE=$($TS_HELPER_SYSINFO pagesize)
PAGE_SIZE_KB=$(( $PAGE_SIZE / 1024 ))
MIN_SWAP_SIZE=$(( 10 * $PAGE_SIZE ))
MIN_SWAP_SIZE_KB=$(( MIN_SWAP_SIZE / 1024 ))
rm -f $IMAGE
fallocate_or_skip $(( $MIN_SWAP_SIZE - 1 )) $IMAGE
$TS_CMD_MKSWAP \
--label 1234567890abcdef \
--uuid 12345678-abcd-abcd-abcd-1234567890ab \
$IMAGE >> $TS_OUTPUT 2>> $TS_ERRLOG
sed -i -e "s/ $MIN_SWAP_SIZE_KB KiB/ 10 pages/" \
-e "s:$IMAGE:<swapfile>:g" \
-e "s/insecure permissions [0-9]*/insecure permissions <perm>/g" \
$TS_OUTPUT $TS_ERRLOG
rm -f $IMAGE
fallocate_or_skip $MIN_SWAP_SIZE $IMAGE
$TS_CMD_MKSWAP \
--label 1234567890abcdef \
--uuid 12345678-abcd-abcd-abcd-1234567890ab \
$IMAGE >> $TS_OUTPUT 2>> $TS_ERRLOG
sed -i -e "s/ $(( $MIN_SWAP_SIZE_KB - $PAGE_SIZE_KB )) KiB/ 9 pages/" \
-e "s/($(( $MIN_SWAP_SIZE - $PAGE_SIZE )) bytes)/(9xPGSZ bytes)/" \
-e "s:$IMAGE:<swapfile>:g" \
-e "s/insecure permissions [0-9]*/insecure permissions <perm>/g" \
$TS_OUTPUT $TS_ERRLOG
$TS_CMD_SWAPLABEL $IMAGE >> $TS_OUTPUT 2>> $TS_ERRLOG
#rm -f $IMAGE
ts_finalize
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