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apfstests/tests/xfs/324
T

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#! /bin/bash
# FS QA Test No. 324
#
# Reflink a file with a few dozen extents.
# Force XFS into "two refcount updates per transaction" mode.
#
#-----------------------------------------------------------------------
# Copyright (c) 2016, 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 /
_scratch_unmount > /dev/null 2>&1
rm -rf $tmp.*
}
# get standard environment, filters and checks
. ./common/rc
. ./common/filter
. ./common/reflink
. ./common/inject
# real QA test starts here
_supported_os Linux
_supported_fs xfs
_require_cp_reflink
_require_scratch_reflink
_require_error_injection
_require_xfs_io_error_injection "refcount_continue_update"
rm -f $seqres.full
blksz=65536
blks=64
sz=$((blksz * blks))
echo "Format filesystem"
_scratch_mkfs >/dev/null 2>&1
_scratch_mount >> $seqres.full
echo "Create files"
_pwrite_byte 0x66 0 $sz $SCRATCH_MNT/file1 >> $seqres.full
_cp_reflink $SCRATCH_MNT/file1 $SCRATCH_MNT/file2
_cp_reflink $SCRATCH_MNT/file1 $SCRATCH_MNT/file3
# Punch holes in file3
seq 1 2 $blks | while read off; do
$XFS_IO_PROG -c "fpunch $((off * blksz)) $blksz" $SCRATCH_MNT/file3 >> $seqres.full
done
sync
echo "Check files"
md5sum $SCRATCH_MNT/file1 | _filter_scratch
md5sum $SCRATCH_MNT/file2 | _filter_scratch
md5sum $SCRATCH_MNT/file3 | _filter_scratch
echo "Inject error"
_scratch_inject_error "refcount_continue_update"
echo "Reflink all the blocks"
_cp_reflink $SCRATCH_MNT/file1 $SCRATCH_MNT/file4
echo "Remount to replay log"
_scratch_inject_logprint >> $seqres.full
echo "FS should be online, touch should succeed"
touch $SCRATCH_MNT/goodfs
echo "Check files again"
md5sum $SCRATCH_MNT/file1 | _filter_scratch
md5sum $SCRATCH_MNT/file2 | _filter_scratch
md5sum $SCRATCH_MNT/file3 | _filter_scratch
md5sum $SCRATCH_MNT/file4 | _filter_scratch
echo "Done"
# success, all done
status=0
exit