atomics: emit an smp_read_barrier_depends() barrier only for Alpha and Thread Sanitizer
[qemu.git] / tests / qemu-iotests / 042
blob351b2830a2974e09ea25c3b7e34cd91ae5afe044
1 #!/bin/bash
3 # Test qemu-img operation on zero size images
5 # Copyright (C) 2012 Red Hat, Inc.
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.
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.
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/>.
21 # creator
22 owner=kwolf@redhat.com
24 seq=`basename $0`
25 echo "QA output created by $seq"
27 here=`pwd`
28 status=1 # failure is the default!
30 _cleanup()
32 _cleanup_test_img
34 trap "_cleanup; exit \$status" 0 1 2 3 15
36 # get standard environment, filters and checks
37 . ./common.rc
38 . ./common.filter
40 _supported_fmt qcow2 qcow qed
41 _supported_proto file
42 _supported_os Linux
44 echo
45 echo "== Creating zero size image =="
47 _make_test_img 0
48 _check_test_img
50 mv "$TEST_IMG" "$TEST_IMG.orig"
52 echo
53 echo "== Converting the image =="
55 $QEMU_IMG convert -O $IMGFMT "$TEST_IMG.orig" "$TEST_IMG"
56 _check_test_img
58 echo
59 echo "== Converting the image, compressed =="
61 if [ "$IMGFMT" == "qcow2" ]; then
62 $QEMU_IMG convert -c -O $IMGFMT "$TEST_IMG.orig" "$TEST_IMG"
64 _check_test_img
66 echo
67 echo "== Rebasing the image =="
69 $QEMU_IMG rebase -u -b "$TEST_IMG.orig" "$TEST_IMG"
70 $QEMU_IMG rebase -b "$TEST_IMG.orig" "$TEST_IMG"
71 _check_test_img
73 # success, all done
74 echo "*** done"
75 rm -f $seq.full
76 status=0