tests/generic/426

#! /bin/bash
# FS QA Test No. 426
#
# Check stale handles pointing to unlinked files
# and non-stale handles pointing to linked files
#
#-----------------------------------------------------------------------
# Copyright (C) 2017 CTERA Networks. All Rights Reserved.
# Author: Amir Goldstein <amir73il@gmail.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.
#
# This program is distributed in the hope that it would 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.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write the Free Software Foundation,
# Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
#-----------------------------------------------------------------------
#

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 $tmp.*
}

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

# real QA test starts here

# Modify as appropriate.
_supported_fs generic
_supported_os Linux
_require_test
# _require_exportfs already requires open_by_handle, but let's not count on it
_require_test_program "open_by_handle"
_require_exportfs

NUMFILES=1024
testdir=$TEST_DIR/$seq-dir
mkdir -p $testdir

# Create empty test files in test dir
create_test_files()
{
	local dir=$1
	local opt=$2

	mkdir -p $dir
	rm -f $dir/*
	src/open_by_handle -c $dir $NUMFILES
}

# Test encode/decode file handles
test_file_handles()
{
	local dir=$1
	local opt=$2

	echo test_file_handles $* | _filter_test_dir
	src/open_by_handle $opt $dir $NUMFILES
}

# Check stale handles to deleted files
create_test_files $testdir
test_file_handles $testdir -d

# Check non-stale handles to linked files
create_test_files $testdir
test_file_handles $testdir

# Check non-stale handles to files that were hardlinked and original deleted
create_test_files $testdir
test_file_handles $testdir -l
test_file_handles $testdir -u

status=0
exit