1#!/usr/bin/env bash
2# group: rw auto quick
3#
4# Test for AIO allocation on the same cluster
5#
6# Copyright (C) 2009 Red Hat, Inc.
7#
8# This program is free software; you can redistribute it and/or modify
9# it under the terms of the GNU General Public License as published by
10# the Free Software Foundation; either version 2 of the License, or
11# (at your option) any later version.
12#
13# This program is distributed in the hope that it will be useful,
14# but WITHOUT ANY WARRANTY; without even the implied warranty of
15# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16# GNU General Public License for more details.
17#
18# You should have received a copy of the GNU General Public License
19# along with this program.  If not, see <http://www.gnu.org/licenses/>.
20#
21
22# creator
23owner=kwolf@redhat.com
24
25seq=`basename $0`
26echo "QA output created by $seq"
27
28status=1	# failure is the default!
29
30_cleanup()
31{
32	_cleanup_test_img
33}
34trap "_cleanup; exit \$status" 0 1 2 3 15
35
36# get standard environment, filters and checks
37. ./common.rc
38. ./common.filter
39
40_supported_fmt generic
41_supported_proto generic
42_unsupported_imgopts "subformat=streamOptimized"
43
44
45size=6G
46
47echo
48echo "creating image"
49_make_test_img $size
50
51
52echo
53echo "overlapping I/O"
54for ((i=1;i<=10;i++)); do
55    let mb=1024*1024
56    let off1=$i*$mb
57    let off2=$off1+512
58
59    # Note that we filter away the actual offset.  That's because qemu
60    # may re-order the two aio requests.  We only want to make sure the
61    # filesystem isn't corrupted afterwards anyway.
62    $QEMU_IO -c "aio_write $off1 1M" -c "aio_write $off2 1M" "$TEST_IMG" | \
63    	_filter_qemu_io | \
64	sed -e 's/bytes at offset [0-9]*/bytes at offset XXX/g'
65done
66
67echo
68echo "checking image for errors"
69_check_test_img
70
71# success, all done
72echo "*** done"
73rm -f $seq.full
74status=0
75