blob: 8be25d9d085fa7e7e274c4c80a99fa4d94ea4ea3 [file] [log] [blame]
#! /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