1#!/bin/bash 2# 3# Test reopening a backing image after block-stream and block-commit 4# 5# Copyright (C) 2018 Igalia, S.L. 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=berto@igalia.com 23 24seq=`basename $0` 25echo "QA output created by $seq" 26 27here=`pwd` 28status=1 # failure is the default! 29 30_cleanup() 31{ 32 _cleanup_test_img 33 rm -f "$TEST_IMG.base" 34 rm -f "$TEST_IMG.int" 35} 36trap "_cleanup; exit \$status" 0 1 2 3 15 37 38# get standard environment, filters and checks 39. ./common.rc 40. ./common.filter 41. ./common.qemu 42 43# Any format implementing BlockDriver.bdrv_change_backing_file 44_supported_fmt qcow2 qed 45_supported_proto file 46_supported_os Linux 47 48IMG_SIZE=1M 49 50# Create the images 51TEST_IMG="$TEST_IMG.base" _make_test_img $IMG_SIZE | _filter_imgfmt 52TEST_IMG="$TEST_IMG.int" _make_test_img -b "$TEST_IMG.base" | _filter_imgfmt 53_make_test_img -b "$TEST_IMG.int" | _filter_imgfmt 54 55# First test: reopen $TEST.IMG changing the detect-zeroes option on 56# its backing file ($TEST_IMG.int). 57echo 58echo "*** Change an option on the backing file" 59echo 60_launch_qemu -drive if=none,file="${TEST_IMG}" 61_send_qemu_cmd $QEMU_HANDLE \ 62 "{ 'execute': 'qmp_capabilities' }" \ 63 'return' 64 65_send_qemu_cmd $QEMU_HANDLE \ 66 "{ 'execute': 'human-monitor-command', 67 'arguments': { 'command-line': 68 'qemu-io none0 \"reopen -o backing.detect-zeroes=on\"' } }" \ 69 "return" 70 71_cleanup_qemu 72 73# Second test: stream $TEST_IMG.base into $TEST_IMG.int and then 74# reopen $TEST.IMG changing the detect-zeroes option on its new 75# backing file ($TEST_IMG.base). 76echo 77echo "*** Stream and then change an option on the backing file" 78echo 79_launch_qemu -drive if=none,file="${TEST_IMG}" 80_send_qemu_cmd $QEMU_HANDLE \ 81 "{ 'execute': 'qmp_capabilities' }" \ 82 'return' 83 84_send_qemu_cmd $QEMU_HANDLE \ 85 "{ 'execute': 'block-stream', \ 86 'arguments': { 'device': 'none0', 87 'base': '${TEST_IMG}.base' } }" \ 88 'return' 89 90# Wait for block-stream to finish 91sleep 0.5 92 93_send_qemu_cmd $QEMU_HANDLE \ 94 "{ 'execute': 'human-monitor-command', 95 'arguments': { 'command-line': 96 'qemu-io none0 \"reopen -o backing.detect-zeroes=on\"' } }" \ 97 "return" 98 99_cleanup_qemu 100 101# Third test: commit $TEST_IMG.int into $TEST_IMG.base and then reopen 102# $TEST.IMG changing the detect-zeroes option on its new backing file 103# ($TEST_IMG.base). 104echo 105echo "*** Commit and then change an option on the backing file" 106echo 107# Create the images again 108TEST_IMG="$TEST_IMG.base" _make_test_img $IMG_SIZE | _filter_imgfmt 109TEST_IMG="$TEST_IMG.int" _make_test_img -b "$TEST_IMG.base" | _filter_imgfmt 110_make_test_img -b "$TEST_IMG.int" | _filter_imgfmt 111 112_launch_qemu -drive if=none,file="${TEST_IMG}" 113_send_qemu_cmd $QEMU_HANDLE \ 114 "{ 'execute': 'qmp_capabilities' }" \ 115 'return' 116 117_send_qemu_cmd $QEMU_HANDLE \ 118 "{ 'execute': 'block-commit', \ 119 'arguments': { 'device': 'none0', 120 'top': '${TEST_IMG}.int' } }" \ 121 'return' 122 123# Wait for block-commit to finish 124sleep 0.5 125 126_send_qemu_cmd $QEMU_HANDLE \ 127 "{ 'execute': 'human-monitor-command', 128 'arguments': { 'command-line': 129 'qemu-io none0 \"reopen -o backing.detect-zeroes=on\"' } }" \ 130 "return" 131 132_cleanup_qemu 133 134# success, all done 135echo "*** done" 136rm -f $seq.full 137status=0 138