| #! /bin/bash |
| # FS QA Test No. 017 |
| # |
| # Verify that removing shared extents can end up incorrect qgroup accounting. |
| # |
| # Regression of 'commit fcebe4562dec ("Btrfs: rework qgroup accounting")', |
| # this will throw a warning into dmesg. |
| # |
| # The issue is fixed by https://patchwork.kernel.org/patch/5499981/ |
| # "Btrfs: fix a warning of qgroup account on shared extents" |
| # |
| #----------------------------------------------------------------------- |
| # Copyright (c) 2014 Liu Bo. 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" |
| |
| here=`pwd` |
| tmp=/tmp/$$ |
| status=1 # failure is the default! |
| trap "_cleanup; exit \$status" 0 1 2 3 15 |
| |
| _cleanup() |
| { |
| cd / |
| rm -f $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_cloner |
| |
| rm -f $seqres.full |
| |
| # Currently in btrfs the node/leaf size can not be smaller than the page |
| # size (but it can be greater than the page size). So use the largest |
| # supported node/leaf size (64Kb) so that the test can run on any platform |
| # that Linux supports. |
| _scratch_mkfs "--nodesize 65536" >>$seqres.full 2>&1 |
| _scratch_mount |
| |
| BLOCK_SIZE=$(_get_block_size $SCRATCH_MNT) |
| EXTENT_SIZE=$((2 * $BLOCK_SIZE)) |
| |
| $XFS_IO_PROG -f -d -c "pwrite 0 $EXTENT_SIZE" $SCRATCH_MNT/foo \ |
| | _filter_xfs_io_blocks_modified |
| |
| _run_btrfs_util_prog subvolume snapshot $SCRATCH_MNT $SCRATCH_MNT/snap |
| |
| $CLONER_PROG -s 0 -d 0 -l $EXTENT_SIZE $SCRATCH_MNT/foo $SCRATCH_MNT/foo-reflink |
| |
| $CLONER_PROG -s 0 -d 0 -l $EXTENT_SIZE $SCRATCH_MNT/foo \ |
| $SCRATCH_MNT/snap/foo-reflink |
| |
| $CLONER_PROG -s 0 -d 0 -l $EXTENT_SIZE $SCRATCH_MNT/foo \ |
| $SCRATCH_MNT/snap/foo-reflink2 |
| |
| _run_btrfs_util_prog quota enable $SCRATCH_MNT |
| _run_btrfs_util_prog quota rescan -w $SCRATCH_MNT |
| |
| rm -fr $SCRATCH_MNT/foo* |
| rm -fr $SCRATCH_MNT/snap/foo* |
| |
| sync |
| |
| units=`_btrfs_qgroup_units` |
| $BTRFS_UTIL_PROG qgroup show $units $SCRATCH_MNT | $AWK_PROG '/[0-9]/ {print $2" "$3}' |
| |
| # success, all done |
| status=0 |
| exit |