2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (c) 2015, Oracle and/or its affiliates. All Rights Reserved.
7 # Reflink two large files and CoW them in big chunks.
9 # This test is dependent on the system page size, so we cannot use md5 in
10 # the golden output; we can only compare to a check file.
13 seqres=$RESULT_DIR/$seq
14 echo "QA output created by $seq"
18 status=1 # failure is the default!
19 trap "_cleanup; exit \$status" 0 1 2 3 15
24 rm -rf $tmp.* $testdir
27 # get standard environment, filters and checks
32 # real QA test starts here
33 _require_scratch_reflink
39 echo "Format and mount"
40 _scratch_mkfs > $seqres.full 2>&1
41 _scratch_mount >> $seqres.full 2>&1
43 testdir=$SCRATCH_MNT/test-$seq
48 filesize=$((blksz * nr))
50 bufsize=$((blksz * bufnr))
52 free_blocks=$(stat -f -c '%a' $testdir)
53 real_blksz=$(_get_block_size $testdir)
54 space_needed=$(((filesize * 3) * 5 / 4))
55 space_avail=$((free_blocks * real_blksz))
56 test $space_needed -gt $space_avail && _notrun "Not enough space. $space_avail < $space_needed"
58 echo "Create the original files"
59 $XFS_IO_PROG -f -c "pwrite -S 0x61 -b $bufsize 0 $filesize" $testdir/file1 >> $seqres.full
60 _cp_reflink $testdir/file1 $testdir/file2 >> $seqres.full
61 $XFS_IO_PROG -f -c "pwrite -S 0x61 -b $bufsize 0 $filesize" $testdir/file2.chk >> $seqres.full
65 md5sum $testdir/file1 | _filter_scratch
66 md5sum $testdir/file2 | _filter_scratch
67 md5sum $testdir/file2.chk | _filter_scratch
69 echo "CoW and unmount"
70 $XFS_IO_PROG -f -c "pwrite -S 0x63 -b $bufsize 0 $filesize" $testdir/file2 >> $seqres.full
71 $XFS_IO_PROG -f -c "pwrite -S 0x63 -b $bufsize 0 $filesize" $testdir/file2.chk >> $seqres.full
75 md5sum $testdir/file1 | _filter_scratch
76 md5sum $testdir/file2 | _filter_scratch
77 md5sum $testdir/file2.chk | _filter_scratch