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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2017-2018 Intel Corporation. All Rights Reserved.
#
# 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>
#
. ./common/preamble
_begin_fstest auto quick dax
# Import common functions.
. ./common/filter
# Modify as appropriate.
_supported_fs ext4
_require_scratch_dax_mountopt "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
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