apfstests/tests/generic/120

#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2000-2002 Silicon Graphics, Inc.  All Rights Reserved.
#
# FS QA Test No. 120
#
# Test noatime mount option.
#
seq=`basename $0`
seqres=$RESULT_DIR/$seq
echo "QA output created by $seq"

here=`pwd`
tmp=/tmp/$$
status=1	# failure is the default!
trap "rm -f $tmp.*; exit \$status" 0 1 2 3 15

# get standard environment, filters and checks
. ./common/rc
. ./common/filter

# real QA test starts here
_supported_fs generic
_supported_os Linux

_require_scratch
_require_atime

_scratch_mkfs >/dev/null 2>&1 || _fail "mkfs failed"

_compare_access_times()
{
	original_access_time="`cat $tmp.out | sed -n '5p'|awk '{ print substr($0,0,32)}'`"
	accessed_time="`$here/src/lstat64 $1 | sed -n '5p'| awk '{ print substr($0,0,32)}'`"
	echo "*** compare access times ***"
	if [ "$original_access_time" != "$accessed_time" ]
		then
		echo "*** file access time updated on $2 (unexpected) ***"
		cat $tmp.out
		echo "---------------------------------------------------"
		$here/src/lstat64 $1
		mount | grep $SCRATCH_MNT
	fi

}

if ! _try_scratch_mount "-o noatime" >$tmp.out 2>&1
then
    cat $tmp.out
    echo "!!! mount failed"
    exit
fi

#executable file
echo "*** copying file ***"
cp $here/src/lstat64 $SCRATCH_MNT
$here/src/lstat64 $SCRATCH_MNT/lstat64 >$tmp.out
sleep 5
echo "*** executing file ***"
$SCRATCH_MNT/lstat64 $SCRATCH_MNT/lstat64 >/dev/null
_compare_access_times $SCRATCH_MNT/lstat64 "executing file"

#reading file
echo "*** creating file ***"
touch $SCRATCH_MNT/testfile
$here/src/lstat64 $SCRATCH_MNT/testfile >$tmp.out
sleep 5
echo "*** reading file ***"
cat $SCRATCH_MNT/testfile >/dev/null
_compare_access_times $SCRATCH_MNT/testfile "reading file"

#writing file
echo "*** creating file ***"
touch $SCRATCH_MNT/testfile2
$here/src/lstat64 $SCRATCH_MNT/testfile2 >$tmp.out
sleep 5
echo "*** writing to file ***"
echo "asdf" >> $SCRATCH_MNT/testfile2
_compare_access_times $SCRATCH_MNT/testfile2 "writing file"

_scratch_unmount

# success, all done
status=0
exit