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#! /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
#
. ./common/preamble
_begin_fstest auto quick metadata

# Override the default cleanup function.
_cleanup()
{
	rm -f $TEST_DIR/ouch*
}

# Import common functions.

# 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