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#!/bin/bash

TS_TOPDIR="${0%/*}/../.."
TS_DESC="fix page size"

. "$TS_TOPDIR"/functions.sh
ts_init "$*"

ts_check_test_command "$TS_CMD_MKSWAP"
ts_check_test_command "$TS_CMD_SWAPON"
ts_check_test_command "$TS_CMD_SWAPOFF"
ts_check_test_command "$TS_HELPER_SYSINFO"

ts_skip_nonroot
ts_check_losetup

PAGESIZE=$($TS_HELPER_SYSINFO pagesize)

#
# Create a swap-area with incompatible page size
#
[ "$?" == 0 ] || ts_die "Cannot init device"

if [ $(( 64 * 1024 )) -ne $PAGESIZE ]; then
	BADSIZE=$(( 64 * 1024 ))
else
	BADSIZE=4096
fi

ts_device_init
DEVICE=$TS_LODEV

$TS_CMD_MKSWAP -L MyFooBarLabel --pagesize $BADSIZE $DEVICE > /dev/null &> /dev/null \
 || ts_die "Cannot make swap $DEVICE"

ts_device_has "TYPE" "swap" $DEVICE || ts_die "Cannot find swap on $DEVICE"

#
# Swapon
#
$TS_CMD_SWAPON --fixpgsz $DEVICE  &> /dev/null

grep -q "^$DEVICE\b" /proc/swaps || ts_die "Cannot find $DEVICE in /proc/swaps"

$TS_CMD_SWAPOFF $DEVICE

ts_log "Success"
ts_finalize