2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (c) 2014 Filipe Manana. All Rights Reserved.
5 # FS QA Test No. btrfs/038
7 # Test for a btrfs incremental send issue where we end up sending a
8 # wrong section of data from a file extent if the corresponding file
9 # extent is compressed and the respective file extent item has a non
12 # Fixed by the following linux kernel btrfs patch:
14 # Btrfs: use right clone root offset for compressed extents
17 seqres=$RESULT_DIR/$seq
18 echo "QA output created by $seq"
21 status=1 # failure is the default!
22 trap "_cleanup; exit \$status" 0 1 2 3 15
29 # get standard environment, filters and checks
33 # real QA test starts here
40 _scratch_mkfs >/dev/null 2>&1
41 _scratch_mount "-o compress-force=lzo"
43 $XFS_IO_PROG -f -c "truncate 118811" $SCRATCH_MNT/foo
44 $XFS_IO_PROG -c "pwrite -S 0x0d -b 39987 92267 39987" \
45 $SCRATCH_MNT/foo | _filter_xfs_io
47 _run_btrfs_util_prog subvolume snapshot -r $SCRATCH_MNT \
50 $XFS_IO_PROG -c "pwrite -S 0x3e -b 80000 200000 80000" \
51 $SCRATCH_MNT/foo | _filter_xfs_io
53 # Sync to avoid btrfs merging file extent items, which would make the test
54 # succeed when it should fail.
55 _run_btrfs_util_prog filesystem sync $SCRATCH_MNT
57 $XFS_IO_PROG -c "pwrite -S 0xdc -b 10000 250000 10000" \
58 $SCRATCH_MNT/foo | _filter_xfs_io
59 $XFS_IO_PROG -c "pwrite -S 0xff -b 10000 300000 10000" \
60 $SCRATCH_MNT/foo | _filter_xfs_io
62 # will be used for incremental send to be able to issue clone operations
63 _run_btrfs_util_prog subvolume snapshot -r $SCRATCH_MNT \
64 $SCRATCH_MNT/clones_snap
66 _run_btrfs_util_prog subvolume snapshot -r $SCRATCH_MNT \
69 run_check $FSSUM_PROG -A -f -w $tmp/1.fssum $SCRATCH_MNT/mysnap1
70 run_check $FSSUM_PROG -A -f -w $tmp/2.fssum -x $SCRATCH_MNT/mysnap2/mysnap1 \
71 -x $SCRATCH_MNT/mysnap2/clones_snap $SCRATCH_MNT/mysnap2
72 run_check $FSSUM_PROG -A -f -w $tmp/clones.fssum $SCRATCH_MNT/clones_snap \
73 -x $SCRATCH_MNT/clones_snap/mysnap1 -x $SCRATCH_MNT/clones_snap/mysnap2
75 _run_btrfs_util_prog send -f $tmp/1.snap $SCRATCH_MNT/mysnap1
76 _run_btrfs_util_prog send -f $tmp/clones.snap $SCRATCH_MNT/clones_snap
77 _run_btrfs_util_prog send -p $SCRATCH_MNT/mysnap1 \
78 -c $SCRATCH_MNT/clones_snap -f $tmp/2.snap $SCRATCH_MNT/mysnap2
81 _check_btrfs_filesystem $SCRATCH_DEV
83 _scratch_mkfs >/dev/null 2>&1
86 _run_btrfs_util_prog receive -f $tmp/1.snap $SCRATCH_MNT
87 run_check $FSSUM_PROG -r $tmp/1.fssum $SCRATCH_MNT/mysnap1 2>> $seqres.full
89 _run_btrfs_util_prog receive -f $tmp/clones.snap $SCRATCH_MNT
90 run_check $FSSUM_PROG -r $tmp/clones.fssum $SCRATCH_MNT/clones_snap 2>> $seqres.full
92 _run_btrfs_util_prog receive -f $tmp/2.snap $SCRATCH_MNT
93 run_check $FSSUM_PROG -r $tmp/2.fssum $SCRATCH_MNT/mysnap2 2>> $seqres.full
96 _check_btrfs_filesystem $SCRATCH_DEV