#!/bin/sh # # Copyright (c) 2015 Fujitsu Ltd. # Author: Guangwen Feng <fenggw-fnst@cn.fujitsu.com> # # This program 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 program 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 mkswap command with some basic options. # TST_CNT=10 TST_SETUP=setup TST_TESTFUNC=do_test TST_NEEDS_ROOT=1 TST_NEEDS_TMPDIR=1 TST_NEEDS_DEVICE=1 TST_NEEDS_CMDS="uuidgen blkid blockdev mkswap" . tst_test.sh setup() { UUID=`uuidgen` PAGE_SIZE=`tst_getconf PAGESIZE` # Here get the size of the device and align it down to be the # multiple of $PAGE_SIZE and use that as the size for testing. real_size=`blockdev --getsize64 $TST_DEVICE` DEVICE_SIZE=$((($real_size/$PAGE_SIZE * $PAGE_SIZE)/1024)) } check_for_file() { local path="$1" if [ -z "$path" -o -e "$path" ]; then return fi return 1 } mkswap_verify() { local mkswap_op="$1" local op_arg="$2" local swapfile="$3" local dev_file="$5" local before=`awk '/SwapTotal/ {print $2}' /proc/meminfo` local swapsize=${4:-$DEVICE_SIZE} if [ "$mkswap_op" = "-p" ]; then local pagesize=$op_arg else local pagesize=$PAGE_SIZE fi if tst_kvcmp -lt "2.6.35" && [ -n "$dev_file" ]; then tst_res TINFO "Waiting for $dev_file to appear" tst_sleep 100ms else TST_RETRY_FUNC "check_for_file $dev_file" 0 fi swapon $swapfile 2>/dev/null if [ $? -ne 0 ]; then tst_res TINFO "Can not do swapon on $swapfile." if [ $pagesize -ne $PAGE_SIZE ]; then tst_res TINFO "Page size specified by 'mkswap -p' \ is not equal to system's page size." tst_res TINFO "Swapon failed expectedly." return 0 fi if [ $swapsize -gt $DEVICE_SIZE ]; then tst_res TINFO "Device size specified by 'mkswap' \ greater than real size." tst_res TINFO "Swapon failed expectedly." return 0 fi tst_res TINFO "Swapon failed unexpectedly." return 1 fi local after=`awk '/SwapTotal/ {print $2}' /proc/meminfo` local diff=$((after-before)) local filesize=$((swapsize-pagesize/1024)) local ret=0 # In general, the swap increment by doing swapon should be equal to # the device size minus a page size, however for some kernels, the # increment we get is not exactly equal to that value, but is equal # to the value minus an extra page size, e.g. on RHEL5.11GA. if [ $diff -ne $filesize ] && \ [ $diff -ne $((filesize-pagesize/1024)) ]; then ret=1 fi swapoff $swapfile 2>/dev/null if [ $? -ne 0 ]; then tst_res TWARN "Can not do swapoff on $swapfile." fi return $ret } mkswap_test() { local mkswap_op="$1" local op_arg="$2" local device="$3" local size="$4" local dev_file="$5" local mkswap_cmd="mkswap $mkswap_op $op_arg $TST_DEVICE $size" ${mkswap_cmd} >temp 2>&1 if [ $? -ne 0 ]; then grep -q -E "unknown option|invalid option|Usage" temp if [ $? -eq 0 ]; then tst_res TCONF "'${mkswap_cmd}' not supported." return fi tst_res TFAIL "'${mkswap_cmd}' failed." cat temp return fi if [ -n "$device" ]; then mkswap_verify "$mkswap_op" "$op_arg" "$device" "$size" "$dev_file" if [ $? -ne 0 ]; then tst_res TFAIL "'${mkswap_cmd}' failed, not expected." return fi fi tst_res TPASS "'${mkswap_cmd}' passed." } do_test() { case $1 in 1) mkswap_test "" "" "$TST_DEVICE";; 2) mkswap_test "" "" "$TST_DEVICE" "$((DEVICE_SIZE-PAGE_SIZE/1024))";; 3) mkswap_test "-f" "" "$TST_DEVICE" "$((DEVICE_SIZE+PAGE_SIZE/1024))";; 4) mkswap_test "-c" "" "$TST_DEVICE";; 5) mkswap_test "-p" "2048" "$TST_DEVICE";; 6) mkswap_test "-L" "ltp_testswap" "-L ltp_testswap" "" "/dev/disk/by-label/ltp_testswap";; 7) mkswap_test "-v1" "" "$TST_DEVICE";; 8) mkswap_test "-U" "$UUID" "-U $UUID" "" "/dev/disk/by-uuid/$UUID";; 9) mkswap_test "-V";; 10) mkswap_test "-h";; esac } tst_run