1#!/usr/bin/env bash 2# group: rw auto quick 3# 4# Test reopening a backing image after block-stream and block-commit 5# 6# Copyright (C) 2018 Igalia, S.L. 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=berto@igalia.com 24 25seq=`basename $0` 26echo "QA output created by $seq" 27 28here=`pwd` 29status=1 # failure is the default! 30 31_cleanup() 32{ 33 _cleanup_test_img 34 _rm_test_img "$TEST_IMG.base" 35 _rm_test_img "$TEST_IMG.int" 36} 37trap "_cleanup; exit \$status" 0 1 2 3 15 38 39# get standard environment, filters and checks 40. ./common.rc 41. ./common.filter 42. ./common.qemu 43 44# Any format implementing BlockDriver.bdrv_change_backing_file 45_supported_fmt qcow2 qed 46_supported_proto file fuse 47_supported_os Linux 48 49IMG_SIZE=1M 50 51# Create the images 52TEST_IMG="$TEST_IMG.base" _make_test_img $IMG_SIZE 53TEST_IMG="$TEST_IMG.int" _make_test_img -b "$TEST_IMG.base" -F $IMGFMT 54_make_test_img -b "$TEST_IMG.int" -F $IMGFMT -F $IMGFMT 55 56# First test: reopen $TEST.IMG changing the detect-zeroes option on 57# its backing file ($TEST_IMG.int). 58echo 59echo "*** Change an option on the backing file" 60echo 61_launch_qemu -drive if=none,file="${TEST_IMG}" 62_send_qemu_cmd $QEMU_HANDLE \ 63 "{ 'execute': 'qmp_capabilities' }" \ 64 'return' 65 66_send_qemu_cmd $QEMU_HANDLE \ 67 "{ 'execute': 'human-monitor-command', 68 'arguments': { 'command-line': 69 'qemu-io none0 \"reopen -o backing.detect-zeroes=on\"' } }" \ 70 "return" 71 72_cleanup_qemu 73 74# Second test: stream $TEST_IMG.base into $TEST_IMG.int and then 75# reopen $TEST.IMG changing the detect-zeroes option on its new 76# backing file ($TEST_IMG.base). 77echo 78echo "*** Stream and then change an option on the backing file" 79echo 80_launch_qemu -drive if=none,file="${TEST_IMG}" 81_send_qemu_cmd $QEMU_HANDLE \ 82 "{ 'execute': 'qmp_capabilities' }" \ 83 'return' 84 85_send_qemu_cmd $QEMU_HANDLE \ 86 "{ 'execute': 'block-stream', \ 87 'arguments': { 'device': 'none0', 88 'base': '${TEST_IMG}.base' } }" \ 89 'return' 90 91# Wait for block-stream to finish 92sleep 0.5 93 94_send_qemu_cmd $QEMU_HANDLE \ 95 "{ 'execute': 'human-monitor-command', 96 'arguments': { 'command-line': 97 'qemu-io none0 \"reopen -o backing.detect-zeroes=on\"' } }" \ 98 "return" 99 100_cleanup_qemu 101 102# Third test: commit $TEST_IMG.int into $TEST_IMG.base and then reopen 103# $TEST.IMG changing the detect-zeroes option on its new backing file 104# ($TEST_IMG.base). 105echo 106echo "*** Commit and then change an option on the backing file" 107echo 108# Create the images again 109TEST_IMG="$TEST_IMG.base" _make_test_img $IMG_SIZE 110TEST_IMG="$TEST_IMG.int" _make_test_img -b "$TEST_IMG.base" -F $IMGFMT 111_make_test_img -b "$TEST_IMG.int" -F $IMGFMT 112 113_launch_qemu -drive if=none,file="${TEST_IMG}" 114_send_qemu_cmd $QEMU_HANDLE \ 115 "{ 'execute': 'qmp_capabilities' }" \ 116 'return' 117 118_send_qemu_cmd $QEMU_HANDLE \ 119 "{ 'execute': 'block-commit', \ 120 'arguments': { 'device': 'none0', 121 'top': '${TEST_IMG}.int' } }" \ 122 'return' 123 124# Wait for block-commit to finish 125sleep 0.5 126 127_send_qemu_cmd $QEMU_HANDLE \ 128 "{ 'execute': 'human-monitor-command', 129 'arguments': { 'command-line': 130 'qemu-io none0 \"reopen -o backing.detect-zeroes=on\"' } }" \ 131 "return" 132 133_cleanup_qemu 134 135# success, all done 136echo "*** done" 137rm -f $seq.full 138status=0 139