| #!/bin/bash |
| # |
| # Merge backing file into test image when converting the image |
| # |
| # Copyright (C) 2009 Red Hat, Inc. |
| # |
| # This program is free software; you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation; either version 2 of the License, or |
| # (at your option) any later version. |
| # |
| # This program is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| # |
| |
| # creator |
| owner=kwolf@redhat.com |
| |
| seq=`basename $0` |
| echo "QA output created by $seq" |
| |
| here=`pwd` |
| tmp=/tmp/$$ |
| status=1 # failure is the default! |
| |
| _cleanup() |
| { |
| _cleanup_test_img |
| } |
| trap "_cleanup; exit \$status" 0 1 2 3 15 |
| |
| # get standard environment, filters and checks |
| . ./common.rc |
| . ./common.filter |
| . ./common.pattern |
| |
| # Any format supporting backing files |
| _supported_fmt qcow qcow2 vmdk qed |
| _supported_proto generic |
| _supported_os Linux |
| |
| TEST_OFFSETS="0 4294967296" |
| |
| TEST_IMG_SAVE=$TEST_IMG |
| TEST_IMG=$TEST_IMG.base |
| _make_test_img 6G |
| |
| echo "Filling base image" |
| echo |
| |
| for offset in $TEST_OFFSETS; do |
| # Some clusters with alternating backing file/image file reads |
| io writev $(( offset )) 512 1024 64 |
| |
| # Complete backing clusters |
| io writev $(( offset + 64 * 1024)) 65536 65536 1 |
| done |
| _check_test_img |
| |
| echo "Creating test image with backing file" |
| echo |
| |
| TEST_IMG=$TEST_IMG_SAVE |
| _make_test_img -b $TEST_IMG.base 6G |
| |
| echo "Filling test image" |
| echo |
| |
| for offset in $TEST_OFFSETS; do |
| # Some clusters with alternating backing file/image file reads |
| io writev $(( offset + 512 )) 512 1024 64 |
| |
| # Complete test image clusters |
| io writev $(( offset + 64 * 1024 + 65536)) 65536 65536 1 |
| done |
| _check_test_img |
| |
| mv $TEST_IMG $TEST_IMG.orig |
| $QEMU_IMG convert -O $IMGFMT $TEST_IMG.orig $TEST_IMG |
| |
| echo "Reading" |
| echo |
| |
| for offset in $TEST_OFFSETS; do |
| # Some clusters with alternating backing file/image file reads |
| io readv $(( offset )) 512 1024 64 |
| io readv $(( offset + 512 )) 512 1024 64 |
| |
| # Complete test image clusters |
| io readv $(( offset + 64 * 1024)) 65536 65536 1 |
| io readv $(( offset + 64 * 1024 + 65536)) 65536 65536 1 |
| |
| # Empty sectors |
| io_zero readv $(( offset + 64 * 1024 + 65536 * 4 )) 65536 65536 1 |
| done |
| _check_test_img |
| |
| # success, all done |
| echo "*** done" |
| rm -f $seq.full |
| status=0 |