apfstests/tests/xfs/127

#! /bin/bash
# FS QA Test No. 127
#
# Tests xfs_growfs on a reflinked filesystem
#
#-----------------------------------------------------------------------
# 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 -f "$tmp".*
}

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

# real QA test starts here
_supported_os Linux
_supported_fs xfs
_require_scratch_reflink
_require_cp_reflink

echo "Format and mount"
_scratch_mkfs -d size=$((2 * 4096 * 4096)) -l size=4194304 > "$seqres.full" 2>&1
_scratch_mount >> "$seqres.full" 2>&1

testdir="$SCRATCH_MNT/test-$seq"
rm -rf "$testdir"
mkdir "$testdir"

echo "Create the original file and reflink to copy1, copy2"
blksz="$(stat -f "$testdir" -c '%S')"
_pwrite_byte 0x61 0 $((blksz * 14 + 71)) "$testdir/original" >> "$seqres.full"
_cp_reflink "$testdir/original" "$testdir/copy1"
_cp_reflink "$testdir/copy1" "$testdir/copy2"

echo "Grow fs"
"$XFS_GROWFS_PROG" "$SCRATCH_MNT" 2>&1 |  _filter_growfs >> "$seqres.full"
_scratch_remount

echo "Create more reflink copies"
_cp_reflink "$testdir/original" "$testdir/copy3"

xfs_info "$SCRATCH_MNT" >> "$seqres.full"

# success, all done
status=0
exit