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