2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (c) 2015, Oracle and/or its affiliates. All Rights Reserved.
7 # Test the convention that reflink with length == 0 means "to the end of fileA"
9 # - Try to reflink "zero" bytes.
10 # - Check that the reflink happened.
13 _begin_fstest auto quick clone
15 # Override the default cleanup function.
19 rm -rf $tmp.* $testdir
22 # Import common functions.
26 # real QA test starts here
30 testdir=$TEST_DIR/test-$seq
34 echo "Create the original files"
36 _pwrite_byte 0x61 0 $((blksz * 256)) $testdir/file1 >> $seqres.full
37 _pwrite_byte 0x62 0 $((blksz * 256)) $testdir/file2 >> $seqres.full
38 _pwrite_byte 0x62 0 $((blksz * 2)) $testdir/file2.chk >> $seqres.full
39 _pwrite_byte 0x61 $((blksz * 2)) $((blksz * 255)) $testdir/file2.chk >> $seqres.full
40 _reflink_range $testdir/file1 $blksz $testdir/file2 $((blksz * 2)) 0 >> $seqres.full
43 md5sum $testdir/file1 | _filter_test_dir
44 md5sum $testdir/file2 | _filter_test_dir
45 md5sum $testdir/file2.chk | _filter_test_dir
47 c1=$(_md5_checksum $testdir/file1)
48 c2=$(_md5_checksum $testdir/file2)
50 test ${c1} != ${c2} || echo "file1 and file2 should not match"
52 echo "Compare against check files"
53 cmp -s $testdir/file2 $testdir/file2.chk || echo "file2 and file2.chk do not match"