tests/xfs/338

#! /bin/bash
# FS QA Test No. 338
#
# Set rrmapino to zero on an rtrmap fs and see if repair fixes it.
#
#-----------------------------------------------------------------------
# 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 /
	rm -rf "$tmp".*
}

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

# real QA test starts here
_supported_os Linux
_supported_fs xfs
_require_realtime
_require_xfs_scratch_rmapbt

rm -f "$seqres.full"

echo "Format and mount"
_scratch_mkfs > "$seqres.full" 2>&1
_scratch_mount

echo "Create some files"
$XFS_IO_PROG -f -R -c "pwrite -S 0x68 0 9999" $SCRATCH_MNT/f1 >> $seqres.full
$XFS_IO_PROG -f -R -c "pwrite -S 0x68 0 9999" $SCRATCH_MNT/f2 >> $seqres.full
_scratch_unmount

echo "Corrupt fs"
_scratch_xfs_db -x -c 'sb 0' -c 'addr rrmapino' \
	-c 'write core.nlinkv2 0' -c 'write core.mode 0' -c 'sb 0' \
	-c 'write rrmapino 0' >> $seqres.full
_try_scratch_mount >> $seqres.full 2>&1 && echo "mount should have failed"

echo "Repair fs"
_scratch_unmount 2>&1 | _filter_scratch
_repair_scratch_fs >> $seqres.full 2>&1

echo "Try to create more files (again)"
_scratch_mount
$XFS_IO_PROG -f -R -c "pwrite -S 0x68 0 9999" $SCRATCH_MNT/f4 >> $seqres.full

# success, all done
status=0
exit