#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2010 FUJITSU LIMITED. All Rights Reserved.
#
# FS QA Test No. 236
#
# Check ctime updated or not if file linked
# See also http://marc.info/?l=linux-btrfs&m=127434439020230&w=2
#
seq=`basename $0`
seqres=$RESULT_DIR/$seq
echo "QA output created by $seq"

_cleanup()
{
	rm -f $TEST_DIR/ouch*
}

here=`pwd`
status=1	# failure is the default!
trap "_cleanup; exit \$status" 0 1 2 3 15

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

# real QA test starts here
_supported_fs generic
_require_hardlinks
_require_test

rm -f $TEST_DIR/ouch*

# create a file and get its ctime
touch $TEST_DIR/ouch
ctime=`stat -c %Z $TEST_DIR/ouch`
sleep 1

# create a link to a file and get existing file's ctime
link $TEST_DIR/ouch $TEST_DIR/ouch2
ctime2=`stat -c %Z $TEST_DIR/ouch`

# check ctime updated
if [ $ctime2 -le $ctime ]; then
	echo "ctime: $ctime -> $ctime2 "
	echo "Fatal error: ctime not updated after link"
	_cleanup
	exit 1
fi

echo "Test over."
# success, all done
status=0
exit