2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (c) 2015, Oracle and/or its affiliates. All Rights Reserved.
7 # See what happens if we CoW blocks 2-4 of a page's worth of blocks when the
8 # surrounding blocks vary between unwritten/regular/delalloc/hole.
10 # This test is dependent on the system page size, so we cannot use md5 in
11 # the golden output; we can only compare to a check file.
14 seqres=$RESULT_DIR/$seq
15 echo "QA output created by $seq"
19 status=1 # failure is the default!
20 trap "_cleanup; exit \$status" 0 1 2 3 15
25 rm -rf $tmp.* $testdir
28 # get standard environment, filters and checks
33 # real QA test starts here
34 _require_scratch_reflink
35 _require_xfs_io_command "falloc"
39 pagesz=$(getconf PAGE_SIZE)
42 echo "Format and mount"
43 _scratch_mkfs_blocksized $blksz > $seqres.full 2>&1
44 _scratch_mount >> $seqres.full 2>&1
46 testdir=$SCRATCH_MNT/test-$seq
49 real_blksz=$(_get_file_block_size $testdir)
50 test $real_blksz != $blksz && _notrun "Failed to format with small blocksize."
58 echo "Create the original files"
60 _pwrite_byte 0x61 0 $pagesz $dir/file1 >> $seqres.full
62 $XFS_IO_PROG -f -c "truncate $pagesz" $dir/file2 >> $seqres.full
63 $XFS_IO_PROG -f -c "truncate $pagesz" $dir/file2.chk >> $seqres.full
67 _pwrite_byte 0x61 $blksz $blksz $dir/file2 >> $seqres.full
68 _pwrite_byte 0x61 $blksz $blksz $dir/file2.chk >> $seqres.full
71 $XFS_IO_PROG -f -c "falloc -k $blksz $blksz" $dir/file2 >> $seqres.full
72 _pwrite_byte 0x00 $blksz $blksz $dir/file2.chk >> $seqres.full
82 _pwrite_byte 0x61 $((blksz * 3)) $blksz $dir/file2 >> $seqres.full
83 _pwrite_byte 0x61 $((blksz * 3)) $blksz $dir/file2.chk >> $seqres.full
86 $XFS_IO_PROG -f -c "falloc -k $((blksz * 3)) $blksz" $dir/file2 >> $seqres.full
87 _pwrite_byte 0x00 $((blksz * 3)) $blksz $dir/file2.chk >> $seqres.full
93 _reflink_range $dir/file1 $blksz $dir/file2 $((blksz * 2)) $blksz >> $seqres.full
94 _pwrite_byte 0x61 $((blksz * 2)) $blksz $dir/file2.chk >> $seqres.full
98 ! cmp -s $dir/file1 $dir/file2 || _fail "file1 and file2 don't match."
99 cmp -s $dir/file2 $dir/file2.chk || _fail "file2 and file2.chk don't match."
101 echo "CoW and unmount"
102 if [ $b2 = "delalloc" ]; then
103 _pwrite_byte 0x61 $blksz $blksz $dir/file2 >> $seqres.full
104 _pwrite_byte 0x61 $blksz $blksz $dir/file2.chk >> $seqres.full
107 if [ $b4 = "delalloc" ]; then
108 _pwrite_byte 0x61 $((blksz * 3)) $blksz $dir/file2 >> $seqres.full
109 _pwrite_byte 0x61 $((blksz * 3)) $blksz $dir/file2.chk >> $seqres.full
112 $XFS_IO_PROG -f -c "pwrite -S 0x63 $((blksz + 17)) $((blksz * 3 - 34))" $dir/file2 >> $seqres.full
113 $XFS_IO_PROG -f -c "pwrite -S 0x63 $((blksz + 17)) $((blksz * 3 - 34))" $dir/file2.chk >> $seqres.full
117 ! cmp -s $dir/file1 $dir/file2 || _fail "file1 and file2 don't match."
118 cmp -s $dir/file2 $dir/file2.chk || _fail "file2 and file2.chk don't match."
121 runtest regular delalloc "$testdir/r-d"
122 runtest regular unwritten "$testdir/r-u"
123 runtest regular hole "$testdir/r-h"
124 runtest regular regular "$testdir/r-r"
126 runtest hole delalloc "$testdir/h-d"
127 runtest hole unwritten "$testdir/h-u"
128 runtest hole hole "$testdir/h-h"
129 runtest hole regular "$testdir/h-r"
131 runtest unwritten delalloc "$testdir/u-d"
132 runtest unwritten unwritten "$testdir/u-u"
133 runtest unwritten hole "$testdir/u-h"
134 runtest unwritten regular "$testdir/u-r"
136 runtest delalloc delalloc "$testdir/d-d"
137 runtest delalloc unwritten "$testdir/d-u"
138 runtest delalloc hole "$testdir/d-h"
139 runtest delalloc regular "$testdir/d-r"