#! /bin/bash
# FS QA Test No. 114
#
# Test races while extending past EOF via sub-block AIO writes
#
#-----------------------------------------------------------------------
# Copyright (c) 2015 Red Hat, 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  02110-1301  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 $TEST_DIR/tst-aio-dio-eof-race
}

# get standard environment, filters and checks
. ./common/rc
. ./common/filter

_supported_fs generic
_supported_os Linux

_require_test
_require_sparse_files
_require_aiodio aio-dio-eof-race

# Test does 512 byte DIO, so make sure that'll work
logical_block_size=`_min_dio_alignment $TEST_DEV`

if [ "$logical_block_size" -gt "512" ]; then
	_notrun "device block size: $logical_block_size greater than 512"
fi

# We don't mind 512-byte fs blocks; the IOs won't be sub-block,
# but the test should still pass, even if it doesn't stress the code
# we're targeting.

# Note, this test does several extending loops internally
$AIO_TEST $TEST_DIR/tst-aio-dio-eof-race

status=$?
exit