blob: 88ab0dad9b87cd9bfa2a7675b84be3fd03e551f6 [file] [log] [blame]
#! /bin/bash
# FS QA Test generic/406
#
# If a larger dio write (size >= 128M) got splitted, the assertion in endio
# would complain (CONFIG_BTRFS_ASSERT is required).
#
# Regression test for
# Btrfs: adjust outstanding_extents counter properly when dio write is split
#
#-----------------------------------------------------------------------
# Copyright (c) 2017 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
# remove previous $seqres.full before test
rm -f $seqres.full
# real QA test starts here
# Modify as appropriate.
_supported_fs generic
_supported_os Linux
_require_scratch
_require_odirect
_scratch_mkfs >> $seqres.full 2>&1
_scratch_mount
# 2G / 1K
blocksize=$(( (128 + 1) * 2 * 1024 * 1024))
fsblock=$(( (128 + 1) * 2 * 1024))
_require_fs_space $SCRATCH_MNT $fsblock
echo "Silence is golden"
$XFS_IO_PROG -f -d -c "pwrite -b ${blocksize} 0 ${blocksize}" $SCRATCH_MNT/testfile.$seq >> $seqres.full 2>&1
_scratch_unmount
# success, all done
status=0
exit