#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2014 Christoph Hellwig.  All Rights Reserved.
#
# FS QA Test No. 004
#
# Test O_TMPFILE opens, and linking them back into the namespace.
#
seq=`basename $0`
seqres=$RESULT_DIR/$seq
echo "QA output created by $seq"

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

_cleanup()
{
    cd /
    rm -f ${testfile}
}

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

# real QA test starts here
_supported_fs generic
_supported_os Linux

_require_test
_require_xfs_io_command "-T"
_require_xfs_io_command "flink"

rm -f $seqres.full

testfile="${TEST_DIR}/tst-tmpfile-flink"

# test creating a r/w tmpfile, do I/O and link it into the namespace
$XFS_IO_PROG -T \
	-c "pwrite 0 4096" \
	-c "pread 0 4096" \
	-c "flink ${testfile}" \
	${TEST_DIR} | _filter_xfs_io

rm ${testfile}

# test creating a r/o tmpfile.  Should fail
$XFS_IO_PROG -Tr ${TEST_DIR} -c "close" 2>&1 | _filter_test_dir

# success, all done
status=0
exit