#! /bin/bash
# FS QA Test No. 160
#
# Check that we can't dedupe immutable files
#
#-----------------------------------------------------------------------
# Copyright (c) 2015, Oracle and/or its affiliates.  All Rights Reserved.
#
# 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 -rf "$tmp".* "$testdir1"
}

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

# real QA test starts here
_supported_os Linux
_require_test_lsattr
_require_test_dedupe

rm -f "$seqres.full"

echo "Format and mount"
testdir1="$TEST_DIR/test-$seq"
rm -rf "$testdir1"
mkdir "$testdir1"

echo "Create the original files"
blksz="$(stat -f $testdir1 -c '%S')"
blks=1000
margin=50
sz=$((blksz * blks))
free_blocks0=$(stat -f $testdir1 -c '%f')
nr=4
_pwrite_byte 0x61 0 $sz "$testdir1/file1" >> "$seqres.full"
_pwrite_byte 0x61 0 $sz "$testdir1/file2" >> "$seqres.full"
sync

echo "Try dedupe on immutable files"
$CHATTR_PROG +i $testdir1/file1 $testdir1/file2
_dedupe_range "$testdir1/file1" 0 "$testdir1/file2" 0 $blksz 2>&1 | _filter_test_dir
$CHATTR_PROG -i $testdir1/file1 $testdir1/file2

# success, all done
status=0
exit