Files
apfstests/tests/xfs/337
T
Eryu Guan c61fa13e94 xfs: renumber tests after merge
Tests were merged with high seq numbers to avoid conflicts with
other tests. Now renumber them to contiguous numbers, as all other
tests have been merged correctly. This is easier to do than
assigning the final seq numbers at commit time.

Signed-off-by: Eryu Guan <eguan@redhat.com>
2016-10-08 14:02:04 +08:00

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#! /bin/bash
# FS QA Test No. 337
#
# Corrupt the realtime rmapbt and see how the kernel and xfs_repair deal.
#
#-----------------------------------------------------------------------
# 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 "$tmp".*
}
# get standard environment, filters and checks
. ./common/rc
. ./common/filter
# real QA test starts here
_supported_os Linux
_supported_fs xfs
_require_realtime
_require_xfs_scratch_rmapbt
_require_test_program "punch-alternating"
_require_xfs_io_command "falloc"
_disable_dmesg_check
rm -f "$seqres.full"
echo "+ create scratch fs"
_scratch_mkfs | _filter_mkfs 2>$tmp.mkfs >/dev/null
. $tmp.mkfs
cat $tmp.mkfs > "$seqres.full" 2>&1
echo "+ mount fs image"
_scratch_mount
blksz="$(get_block_size $SCRATCH_MNT)"
# inode core size is at least 176 bytes; btree header is 56 bytes;
# rtrmap record is 32 bytes; and rtrmap key/pointer are 56 bytes.
i_ptrs=$(( (isize - 176) / 56 ))
bt_ptrs=$(( (blksz - 56) / 56 ))
bt_recs=$(( (blksz - 56) / 32 ))
blocks=$((i_ptrs * bt_ptrs * bt_recs + 1))
_require_fs_space $SCRATCH_MNT $(( (2 * blocks * blksz) * 5 / 4096 ))
len=$((blocks * blksz))
echo "+ make some files"
$XFS_IO_PROG -f -R -c "falloc 0 $len" -c "pwrite -S 0x68 -b 1048576 0 $len" $SCRATCH_MNT/f1 >> $seqres.full
$XFS_IO_PROG -f -R -c "falloc 0 $len" -c "pwrite -S 0x68 -b 1048576 0 $len" $SCRATCH_MNT/f2 >> $seqres.full
./src/punch-alternating $SCRATCH_MNT/f1 >> "$seqres.full"
./src/punch-alternating $SCRATCH_MNT/f2 >> "$seqres.full"
_scratch_unmount
echo "+ check fs"
_scratch_xfs_repair -n >> $seqres.full 2>&1 || echo "xfs_repair should not fail"
echo "+ corrupt image"
_scratch_xfs_db -x -c "sb" -c "addr rrmapino" -c "addr u3.rtrmapbt.ptrs[1]" \
-c "stack" -c "blocktrash -x 4096 -y 4096 -n 8 -3 -z" \
>> $seqres.full 2>&1
echo "+ mount image"
_scratch_mount
echo "+ copy more"
$XFS_IO_PROG -f -R -c "pwrite -S 0x68 0 1" $SCRATCH_MNT/e3 >> $seqres.full 2>&1
test -s ${SCRATCH_MNT}/f3 && echo "should not be able to copy with busted rtrmap btree"
_scratch_unmount
echo "+ repair fs"
_repair_scratch_fs >> $seqres.full 2>&1
echo "+ mount image (2)"
_scratch_mount
echo "+ copy more (2)"
$XFS_IO_PROG -f -R -c "pwrite -S 0x68 0 1" $SCRATCH_MNT/e4 >> $seqres.full
# success, all done
status=0
exit