| #! /bin/bash |
| # FS QA Test No. btrfs/038 |
| # |
| # Test for a btrfs incremental send issue where we end up sending a |
| # wrong section of data from a file extent if the corresponding file |
| # extent is compressed and the respective file extent item has a non |
| # zero data offset. |
| # |
| # Fixed by the following linux kernel btrfs patch: |
| # |
| # Btrfs: use right clone root offset for compressed extents |
| # |
| #----------------------------------------------------------------------- |
| # Copyright (c) 2014 Filipe Manana. All Rights Reserved. |
| # |
| # This program is free software; you can redistribute it and/or |
| # modify it under the terms of the GNU General Public License as |
| # published by the Free Software Foundation. |
| # |
| # This program is distributed in the hope that it would be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program; if not, write the Free Software Foundation, |
| # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| #----------------------------------------------------------------------- |
| # |
| |
| seq=`basename $0` |
| seqres=$RESULT_DIR/$seq |
| echo "QA output created by $seq" |
| |
| tmp=`mktemp -d` |
| status=1 # failure is the default! |
| trap "_cleanup; exit \$status" 0 1 2 3 15 |
| |
| _cleanup() |
| { |
| rm -fr $tmp |
| } |
| |
| # get standard environment, filters and checks |
| . ./common/rc |
| . ./common/filter |
| |
| # real QA test starts here |
| _supported_fs btrfs |
| _supported_os Linux |
| _require_scratch |
| _require_fssum |
| |
| rm -f $seqres.full |
| |
| _scratch_mkfs >/dev/null 2>&1 |
| _scratch_mount "-o compress-force=lzo" |
| |
| $XFS_IO_PROG -f -c "truncate 118811" $SCRATCH_MNT/foo |
| $XFS_IO_PROG -c "pwrite -S 0x0d -b 39987 92267 39987" \ |
| $SCRATCH_MNT/foo | _filter_xfs_io |
| |
| _run_btrfs_util_prog subvolume snapshot -r $SCRATCH_MNT \ |
| $SCRATCH_MNT/mysnap1 |
| |
| $XFS_IO_PROG -c "pwrite -S 0x3e -b 80000 200000 80000" \ |
| $SCRATCH_MNT/foo | _filter_xfs_io |
| |
| # Sync to avoid btrfs merging file extent items, which would make the test |
| # succeed when it should fail. |
| _run_btrfs_util_prog filesystem sync $SCRATCH_MNT |
| |
| $XFS_IO_PROG -c "pwrite -S 0xdc -b 10000 250000 10000" \ |
| $SCRATCH_MNT/foo | _filter_xfs_io |
| $XFS_IO_PROG -c "pwrite -S 0xff -b 10000 300000 10000" \ |
| $SCRATCH_MNT/foo | _filter_xfs_io |
| |
| # will be used for incremental send to be able to issue clone operations |
| _run_btrfs_util_prog subvolume snapshot -r $SCRATCH_MNT \ |
| $SCRATCH_MNT/clones_snap |
| |
| _run_btrfs_util_prog subvolume snapshot -r $SCRATCH_MNT \ |
| $SCRATCH_MNT/mysnap2 |
| |
| run_check $FSSUM_PROG -A -f -w $tmp/1.fssum $SCRATCH_MNT/mysnap1 |
| run_check $FSSUM_PROG -A -f -w $tmp/2.fssum -x $SCRATCH_MNT/mysnap2/mysnap1 \ |
| -x $SCRATCH_MNT/mysnap2/clones_snap $SCRATCH_MNT/mysnap2 |
| run_check $FSSUM_PROG -A -f -w $tmp/clones.fssum $SCRATCH_MNT/clones_snap \ |
| -x $SCRATCH_MNT/clones_snap/mysnap1 -x $SCRATCH_MNT/clones_snap/mysnap2 |
| |
| _run_btrfs_util_prog send -f $tmp/1.snap $SCRATCH_MNT/mysnap1 |
| _run_btrfs_util_prog send -f $tmp/clones.snap $SCRATCH_MNT/clones_snap |
| _run_btrfs_util_prog send -p $SCRATCH_MNT/mysnap1 \ |
| -c $SCRATCH_MNT/clones_snap -f $tmp/2.snap $SCRATCH_MNT/mysnap2 |
| |
| _scratch_unmount |
| _check_btrfs_filesystem $SCRATCH_DEV |
| |
| _scratch_mkfs >/dev/null 2>&1 |
| _scratch_mount |
| |
| _run_btrfs_util_prog receive -f $tmp/1.snap $SCRATCH_MNT |
| run_check $FSSUM_PROG -r $tmp/1.fssum $SCRATCH_MNT/mysnap1 2>> $seqres.full |
| |
| _run_btrfs_util_prog receive -f $tmp/clones.snap $SCRATCH_MNT |
| run_check $FSSUM_PROG -r $tmp/clones.fssum $SCRATCH_MNT/clones_snap 2>> $seqres.full |
| |
| _run_btrfs_util_prog receive -f $tmp/2.snap $SCRATCH_MNT |
| run_check $FSSUM_PROG -r $tmp/2.fssum $SCRATCH_MNT/mysnap2 2>> $seqres.full |
| |
| _scratch_unmount |
| _check_btrfs_filesystem $SCRATCH_DEV |
| |
| status=0 |
| exit |