1#!/usr/bin/env bash 2# group: rw backing auto quick 3# 4# Merge backing file into test image when converting the image 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 $seq" 27 28status=1 # failure is the default! 29 30_cleanup() 31{ 32 _cleanup_test_img 33} 34trap "_cleanup; exit \$status" 0 1 2 3 15 35 36# get standard environment, filters and checks 37. ./common.rc 38. ./common.filter 39. ./common.pattern 40 41# Any format supporting backing files 42_supported_fmt qcow qcow2 vmdk qed 43_supported_proto file 44_supported_os Linux 45_unsupported_imgopts "subformat=monolithicFlat" "subformat=twoGbMaxExtentFlat" \ 46 "streamOptimized" 47 48TEST_OFFSETS="0 4294967296" 49 50TEST_IMG_SAVE=$TEST_IMG 51TEST_IMG=$TEST_IMG.base 52_make_test_img 6G 53 54echo "Filling base image" 55echo 56 57for offset in $TEST_OFFSETS; do 58 # Some clusters with alternating backing file/image file reads 59 io writev $(( offset )) 512 1024 64 60 61 # Complete backing clusters 62 io writev $(( offset + 64 * 1024)) 65536 65536 1 63done 64_check_test_img 65 66echo "Creating test image with backing file" 67echo 68 69TEST_IMG="$TEST_IMG_SAVE.orig" 70_make_test_img -b "$TEST_IMG_SAVE.base" -F $IMGFMT 6G 71 72echo "Filling test image" 73echo 74 75for offset in $TEST_OFFSETS; do 76 # Some clusters with alternating backing file/image file reads 77 io writev $(( offset + 512 )) 512 1024 64 78 79 # Complete test image clusters 80 io writev $(( offset + 64 * 1024 + 65536)) 65536 65536 1 81done 82_check_test_img 83 84TEST_IMG="$TEST_IMG_SAVE" 85$QEMU_IMG convert -f $IMGFMT -O $IMGFMT "$TEST_IMG.orig" "$TEST_IMG" 86 87echo "Reading" 88echo 89 90for offset in $TEST_OFFSETS; do 91 # Some clusters with alternating backing file/image file reads 92 io readv $(( offset )) 512 1024 64 93 io readv $(( offset + 512 )) 512 1024 64 94 95 # Complete test image clusters 96 io readv $(( offset + 64 * 1024)) 65536 65536 1 97 io readv $(( offset + 64 * 1024 + 65536)) 65536 65536 1 98 99 # Empty sectors 100 io_zero readv $(( offset + 64 * 1024 + 65536 * 4 )) 65536 65536 1 101done 102_check_test_img 103 104# success, all done 105echo "*** done" 106rm -f $seq.full 107status=0 108