apfstests/tests/xfs/127

#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2015, Oracle and/or its affiliates.  All Rights Reserved.
#
# FS QA Test No. 127
#
# Tests xfs_growfs on a reflinked filesystem
#
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_fs xfs
_require_scratch_reflink
_require_no_large_scratch_dev
_require_cp_reflink

echo "Format and mount"
_scratch_mkfs_sized $((512 * 1024 * 1024)) > $seqres.full 2>&1
_scratch_mount >> $seqres.full 2>&1

testdir=$SCRATCH_MNT/test-$seq
mkdir $testdir

echo "Create the original file and reflink to copy1, copy2"
blksz="$(_get_block_size $testdir)"
_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_cycle_mount

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

$XFS_INFO_PROG $SCRATCH_MNT >> $seqres.full

# success, all done
status=0
exit