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 DIO CoW blocks 2-4 of a page's worth of blocks when
8 # the 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 _begin_fstest auto quick clone
16 # Override the default cleanup function.
20 rm -rf $tmp.* $testdir
23 # Import common functions.
27 # real QA test starts here
28 _require_scratch_reflink
29 _require_xfs_io_command "falloc"
32 pagesz=$(getconf PAGE_SIZE)
35 echo "Format and mount"
36 _scratch_mkfs_blocksized $blksz > $seqres.full 2>&1
37 _scratch_mount >> $seqres.full 2>&1
39 testdir=$SCRATCH_MNT/test-$seq
42 real_blksz=$(_get_file_block_size $testdir)
43 test $real_blksz != $blksz && _notrun "Failed to format with small blocksize."
51 echo "Create the original files"
53 _pwrite_byte 0x61 0 $pagesz $dir/file1 >> $seqres.full
55 $XFS_IO_PROG -f -c "truncate $pagesz" $dir/file2 >> $seqres.full
56 $XFS_IO_PROG -f -c "truncate $pagesz" $dir/file2.chk >> $seqres.full
60 _pwrite_byte 0x61 $blksz $blksz $dir/file2 >> $seqres.full
61 _pwrite_byte 0x61 $blksz $blksz $dir/file2.chk >> $seqres.full
64 $XFS_IO_PROG -f -c "falloc -k $blksz $blksz" $dir/file2 >> $seqres.full
65 _pwrite_byte 0x00 $blksz $blksz $dir/file2.chk >> $seqres.full
73 _pwrite_byte 0x61 $((blksz * 3)) $blksz $dir/file2 >> $seqres.full
74 _pwrite_byte 0x61 $((blksz * 3)) $blksz $dir/file2.chk >> $seqres.full
77 $XFS_IO_PROG -f -c "falloc -k $((blksz * 3)) $blksz" $dir/file2 >> $seqres.full
78 _pwrite_byte 0x00 $((blksz * 3)) $blksz $dir/file2.chk >> $seqres.full
84 _reflink_range $dir/file1 $blksz $dir/file2 $((blksz * 2)) $blksz >> $seqres.full
85 _pwrite_byte 0x61 $((blksz * 2)) $blksz $dir/file2.chk >> $seqres.full
89 ! cmp -s $dir/file1 $dir/file2 || _fail "file1 and file2 don't match."
90 cmp -s $dir/file2 $dir/file2.chk || _fail "file2 and file2.chk don't match."
92 echo "CoW and unmount"
93 if [ $b2 = "delalloc" ]; then
94 _pwrite_byte 0x61 $blksz $blksz $dir/file2 >> $seqres.full
95 _pwrite_byte 0x61 $blksz $blksz $dir/file2.chk >> $seqres.full
98 if [ $b4 = "delalloc" ]; then
99 _pwrite_byte 0x61 $((blksz * 3)) $blksz $dir/file2 >> $seqres.full
100 _pwrite_byte 0x61 $((blksz * 3)) $blksz $dir/file2.chk >> $seqres.full
103 $XFS_IO_PROG -d -f -c "pwrite -S 0x63 $blksz $((blksz * 3))" $dir/file2 >> $seqres.full
104 $XFS_IO_PROG -f -c "pwrite -S 0x63 $blksz $((blksz * 3))" $dir/file2.chk >> $seqres.full
108 ! cmp -s $dir/file1 $dir/file2 || _fail "file1 and file2 don't match."
109 cmp -s $dir/file2 $dir/file2.chk || _fail "file2 and file2.chk don't match."
112 runtest regular delalloc "$testdir/r-d"
113 runtest regular unwritten "$testdir/r-u"
114 runtest regular hole "$testdir/r-h"
115 runtest regular regular "$testdir/r-r"
117 runtest hole delalloc "$testdir/h-d"
118 runtest hole unwritten "$testdir/h-u"
119 runtest hole hole "$testdir/h-h"
120 runtest hole regular "$testdir/h-r"
122 runtest unwritten delalloc "$testdir/u-d"
123 runtest unwritten unwritten "$testdir/u-u"
124 runtest unwritten hole "$testdir/u-h"
125 runtest unwritten regular "$testdir/u-r"
127 runtest delalloc delalloc "$testdir/d-d"
128 runtest delalloc unwritten "$testdir/d-u"
129 runtest delalloc hole "$testdir/d-h"
130 runtest delalloc regular "$testdir/d-r"