4 # This is a regression test for kernel patch:
5 # ext4: prevent data corruption with journaling + DAX
6 # created by Ross Zwisler <ross.zwisler@linux.intel.com>
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27 seqres=$RESULT_DIR/$seq
28 echo "QA output created by $seq"
32 status=1 # failure is the default!
33 trap "_cleanup; exit \$status" 0 1 2 3 15
41 # get standard environment, filters and checks
45 # remove previous $seqres.full before test
48 # Modify as appropriate.
52 _require_test_program "t_ext4_dax_journal_corruption"
53 _require_command "$CHATTR_PROG" chattr
55 # real QA test starts here
56 _scratch_mkfs > $seqres.full 2>&1
58 # In order to get our failure condition consistently we need to turn off
59 # delayed allocation. With delayed allocation on this simple test will pass,
60 # but we would almost certainly see data corruption down the road as the
61 # contents of the journal would conflict with the DAX data.
62 _scratch_mount "-o dax,nodelalloc" >> $seqres.full 2>&1
64 $here/src/t_ext4_dax_journal_corruption $CHATTR_PROG $SCRATCH_MNT/testfile
66 if [[ $? != 0 && $? != 77 ]]; then
67 echo "Test failed, status $?"
72 echo "Silence is golden"