#! /bin/bash
# FS QA Test No. btrfs/059
#
# Regression test for btrfs where removing the flag FS_COMPR_FL (chattr -c)
# from an inode wouldn't clear its compression property.
# This was fixed in the following linux kernel patch:
#
#     Btrfs: add missing compression property remove in btrfs_ioctl_setflags
#
#-----------------------------------------------------------------------
# Copyright (C) 2014 SUSE Linux Products GmbH. All Rights Reserved.
# Author: Filipe Manana <fdmanana@suse.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()
{
	rm -fr $tmp
}

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

# real QA test starts here
_supported_fs btrfs
_supported_os Linux
_require_test
_require_scratch
_require_btrfs "property"

rm -f $seqres.full

_scratch_mkfs >> $seqres.full 2>&1
_scratch_mount

mkdir $SCRATCH_MNT/testdir
echo "Setting compression flag in the directory..."
$CHATTR_PROG +c $SCRATCH_MNT/testdir
echo "Directory compression property value:"
$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir compression | \
	_filter_btrfs_compress_property

touch $SCRATCH_MNT/testdir/file1
echo "file1 compression property value:"
$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir/file1 compression | \
	_filter_btrfs_compress_property

echo "Clearing compression flag from directory..."
$CHATTR_PROG -c $SCRATCH_MNT/testdir
echo "Directory compression property value:"
$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir compression | \
	_filter_btrfs_compress_property

touch $SCRATCH_MNT/testdir/file2
echo "file2 compression property value:"
$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir/file2 compression | \
	_filter_btrfs_compress_property

touch $SCRATCH_MNT/testdir/file1
echo "file1 compression property value:"
$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir/file1 compression | \
	_filter_btrfs_compress_property

status=0
exit
