2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved.
7 # Test DIO CoW behavior when the write temporarily fails.
10 seqres=$RESULT_DIR/$seq
11 echo "QA output created by $seq"
15 status=1 # failure is the default!
16 trap "_cleanup; exit \$status" 0 1 2 3 15
25 # get standard environment, filters and checks
31 # real QA test starts here
33 _require_scratch_reflink
35 _require_dm_target error
41 echo "Format and mount"
42 _scratch_mkfs > $seqres.full 2>&1
44 _dmerror_mount >> $seqres.full 2>&1
46 testdir=$SCRATCH_MNT/test-$seq
52 filesize=$((blksz * nr))
53 bufsize=$((blksz * bufnr))
55 _require_fs_space $SCRATCH_MNT $((filesize / 1024 * 3 * 5 / 4))
57 echo "Create the original files"
58 $XFS_IO_PROG -f -c "pwrite -S 0x61 -b $bufsize 0 $filesize" $testdir/file1 >> $seqres.full
59 _cp_reflink $testdir/file1 $testdir/file2 >> $seqres.full
64 md5sum $testdir/file1 | _filter_scratch
65 md5sum $testdir/file2 | _filter_scratch
67 echo "CoW and unmount"
69 _dmerror_load_error_table
70 urk=$($XFS_IO_PROG -d -f -c "pwrite -S 0x63 -b $bufsize 0 $filesize" $testdir/file2 2>&1)
71 echo $urk >> $seqres.full
72 echo "$urk" | grep -q "error" || _fail "dio pwrite did not fail"
73 _dmerror_load_working_table
78 md5sum $testdir/file1 | _filter_scratch
80 echo "Check for damage"
83 _repair_scratch_fs >> $seqres.full