4 # Create an unwritten extent, set up dm-error, try a DIO write, then
5 # make sure we can't read back old disk contents.
7 #-----------------------------------------------------------------------
8 # Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved.
10 # This program is free software; you can redistribute it and/or
11 # modify it under the terms of the GNU General Public License as
12 # published by the Free Software Foundation.
14 # This program is distributed in the hope that it would be useful,
15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 # GNU General Public License for more details.
19 # You should have received a copy of the GNU General Public License
20 # along with this program; if not, write the Free Software Foundation,
21 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 #-----------------------------------------------------------------------
25 seqres=$RESULT_DIR/$seq
26 echo "QA output created by $seq"
30 status=1 # failure is the default!
31 trap "_cleanup; exit \$status" 0 1 2 3 15
36 rm -rf $tmp.* $testdir
40 # get standard environment, filters and checks
45 # real QA test starts here
48 _require_dm_target error
49 _require_xfs_io_command "falloc"
51 # This test uses "dm" without taking into account the data could be on
52 # realtime subvolume, thus the test will fail with rtinherit=1
58 echo "Format and mount"
59 $XFS_IO_PROG -d -c "pwrite -S 0x69 -b 1048576 0 $((64 * 1048576))" $SCRATCH_DEV >> $seqres.full
60 _scratch_mkfs_sized $((64 * 1048576)) > $seqres.full 2>&1
62 _dmerror_mount >> $seqres.full 2>&1
66 testdir=$SCRATCH_MNT/test-$seq
72 filesize=$((blksz * nr))
73 bufsize=$((blksz * bufnr))
75 _require_fs_space $SCRATCH_MNT $((filesize / 1024 * 5 / 4))
77 echo "Create the original files"
78 $XFS_IO_PROG -f -c "falloc 0 $filesize" $testdir/file2 >> $seqres.full
83 md5sum $testdir/file2 | _filter_scratch
85 echo "Write and unmount"
86 $XFS_IO_PROG -f -c "pwrite -S 0x63 $bufsize 1" $testdir/file2 >> $seqres.full
88 _dmerror_load_error_table
89 $XFS_IO_PROG -d -f -c "pwrite -S 0x63 -b $bufsize 0 $filesize" $testdir/file2 \
91 _dmerror_load_working_table
96 md5sum $testdir/file2 | _filter_scratch
98 echo "Check for damage"
101 _repair_scratch_fs >> $seqres.full