| #! /bin/bash |
| # FS QA Test ext4/030 |
| # |
| # This is a regression test for kernel patch: |
| # ext4: prevent data corruption with journaling + DAX |
| # created by Ross Zwisler <ross.zwisler@linux.intel.com> |
| # |
| #----------------------------------------------------------------------- |
| # Copyright (c) 2017-2018 Intel Corporation. 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 |
| |
| # remove previous $seqres.full before test |
| rm -f $seqres.full |
| |
| # Modify as appropriate. |
| _supported_os Linux |
| _supported_fs ext4 |
| _require_scratch_dax |
| _require_test_program "t_ext4_dax_journal_corruption" |
| _require_command "$CHATTR_PROG" chattr |
| |
| # real QA test starts here |
| _scratch_mkfs > $seqres.full 2>&1 |
| |
| # In order to get our failure condition consistently we need to turn off |
| # delayed allocation. With delayed allocation on this simple test will pass, |
| # but we would almost certainly see data corruption down the road as the |
| # contents of the journal would conflict with the DAX data. |
| _scratch_mount "-o dax,nodelalloc" >> $seqres.full 2>&1 |
| |
| $here/src/t_ext4_dax_journal_corruption $CHATTR_PROG $SCRATCH_MNT/testfile |
| |
| if [[ $? != 0 && $? != 77 ]]; then |
| echo "Test failed, status $?" |
| exit 1 |
| fi |
| |
| # success, all done |
| echo "Silence is golden" |
| status=0 |
| exit |