| #! /bin/bash |
| # FS QA Test No. 423 |
| # |
| # Race scrubbing the inode record while appending to a file. |
| # This exposes a bug in xfs_bmap_count_blocks where we count delalloc |
| # extents for di_nblocks if the fork is in extents format, but we don't |
| # count them if the fork is in btree format. |
| # |
| #----------------------------------------------------------------------- |
| # Copyright (c) 2017 Oracle, Inc. 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 02110-1335 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 7 15 |
| |
| _cleanup() |
| { |
| cd / |
| rm -rf $tmp.* |
| } |
| |
| # get standard environment, filters and checks |
| . ./common/rc |
| . ./common/filter |
| . ./common/fuzzy |
| . ./common/inject |
| . ./common/xfs |
| |
| # real QA test starts here |
| _supported_os Linux |
| _supported_fs xfs |
| _require_test_program "punch-alternating" |
| _require_xfs_io_command "scrub" |
| _require_scratch |
| |
| echo "Format and populate" |
| _scratch_mkfs > "$seqres.full" 2>&1 |
| _scratch_mount |
| |
| $XFS_IO_PROG -f -c 'falloc 0 10m' $SCRATCH_MNT/a >> $seqres.full |
| $XFS_IO_PROG -f -c 'falloc 0 10m' $SCRATCH_MNT/b >> $seqres.full |
| ./src/punch-alternating $SCRATCH_MNT/b |
| sync |
| |
| echo "Set up delalloc extents" |
| $XFS_IO_PROG -c 'pwrite -S 0x66 10m 128k' $SCRATCH_MNT/a >> $seqres.full |
| $XFS_IO_PROG -c 'pwrite -S 0x66 10m 128k' $SCRATCH_MNT/b >> $seqres.full |
| $XFS_IO_PROG -c 'bmap -ev' $SCRATCH_MNT/a $SCRATCH_MNT/b > $SCRATCH_MNT/before |
| cat $SCRATCH_MNT/before >> $seqres.full |
| |
| echo "Scrub a and b" |
| $XFS_IO_PROG -x -c 'scrub inode' $SCRATCH_MNT/a >> $seqres.full |
| $XFS_IO_PROG -x -c 'scrub inode' $SCRATCH_MNT/b >> $seqres.full |
| $XFS_IO_PROG -c 'bmap -ev' $SCRATCH_MNT/a $SCRATCH_MNT/b > $SCRATCH_MNT/after |
| cat $SCRATCH_MNT/after >> $seqres.full |
| |
| echo "Compare extent maps" |
| diff -u $SCRATCH_MNT/before $SCRATCH_MNT/after |
| |
| echo "Test done" |
| status=0 |
| exit |