#!/bin/bash # # Test bdrv_pwrite_zeroes with backing files (see also 154) # # Copyright (C) 2012 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 $seq" here=`pwd` status=1 # failure is the default! _cleanup() { _cleanup_test_img } trap "_cleanup; exit \$status" 0 1 2 3 15 # get standard environment, filters and checks . ./common.rc . ./common.filter _supported_fmt qcow qcow2 vmdk qed _supported_proto file _supported_os Linux _unsupported_imgopts "subformat=monolithicFlat" \ "subformat=twoGbMaxExtentFlat" \ "subformat=twoGbMaxExtentSparse" CLUSTER_SIZE=4k size=128M echo echo "== creating backing file for COW tests ==" TEST_IMG_SAVE="$TEST_IMG" TEST_IMG="$TEST_IMG.base" _make_test_img $size $QEMU_IO -c "write -P 0x55 0 1M" "$TEST_IMG" | _filter_qemu_io TEST_IMG="$TEST_IMG_SAVE" _make_test_img -b "$TEST_IMG.base" 6G echo echo "== zero write with backing file ==" $QEMU_IO -c "write -z 64k 192k" "$TEST_IMG" | _filter_qemu_io $QEMU_IO -c "write -z 513k 13k" "$TEST_IMG" | _filter_qemu_io _check_test_img echo echo "== verifying patterns (3) ==" $QEMU_IO -c "read -P 0x55 0 64k" "$TEST_IMG" | _filter_qemu_io $QEMU_IO -c "read -P 0x0 64k 192k" "$TEST_IMG" | _filter_qemu_io $QEMU_IO -c "read -P 0x55 256k 257k" "$TEST_IMG" | _filter_qemu_io $QEMU_IO -c "read -P 0x0 513k 13k" "$TEST_IMG" | _filter_qemu_io $QEMU_IO -c "read -P 0x55 526k 498k" "$TEST_IMG" | _filter_qemu_io echo echo "== overwriting zero cluster ==" $QEMU_IO -c "write -P 0xa 60k 8k" "$TEST_IMG" | _filter_qemu_io $QEMU_IO -c "write -P 0xb 64k 8k" "$TEST_IMG" | _filter_qemu_io $QEMU_IO -c "write -P 0xc 76k 4k" "$TEST_IMG" | _filter_qemu_io $QEMU_IO -c "write -P 0xd 252k 8k" "$TEST_IMG" | _filter_qemu_io $QEMU_IO -c "write -P 0xe 248k 8k" "$TEST_IMG" | _filter_qemu_io _check_test_img echo echo "== verifying patterns (4) ==" $QEMU_IO -c "read -P 0x55 0 60k" "$TEST_IMG" | _filter_qemu_io $QEMU_IO -c "read -P 0xa 60k 4k" "$TEST_IMG" | _filter_qemu_io $QEMU_IO -c "read -P 0xb 64k 8k" "$TEST_IMG" | _filter_qemu_io $QEMU_IO -c "read -P 0x0 72k 4k" "$TEST_IMG" | _filter_qemu_io $QEMU_IO -c "read -P 0xc 76k 4k" "$TEST_IMG" | _filter_qemu_io $QEMU_IO -c "read -P 0x0 80k 168k" "$TEST_IMG" | _filter_qemu_io $QEMU_IO -c "read -P 0xe 248k 8k" "$TEST_IMG" | _filter_qemu_io $QEMU_IO -c "read -P 0xd 256k 4k" "$TEST_IMG" | _filter_qemu_io $QEMU_IO -c "read -P 0x55 260k 64k" "$TEST_IMG" | _filter_qemu_io echo echo "== re-zeroing overwritten area ==" $QEMU_IO -c "write -z 64k 192k" "$TEST_IMG" | _filter_qemu_io _check_test_img echo echo "== verifying patterns (5) ==" $QEMU_IO -c "read -P 0x55 0 60k" "$TEST_IMG" | _filter_qemu_io $QEMU_IO -c "read -P 0xa 60k 4k" "$TEST_IMG" | _filter_qemu_io $QEMU_IO -c "read -P 0x0 64k 192k" "$TEST_IMG" | _filter_qemu_io $QEMU_IO -c "read -P 0xd 256k 4k" "$TEST_IMG" | _filter_qemu_io $QEMU_IO -c "read -P 0x55 260k 253k" "$TEST_IMG" | _filter_qemu_io $QEMU_IO -c "read -P 0x0 513k 13k" "$TEST_IMG" | _filter_qemu_io $QEMU_IO -c "read -P 0x55 526k 498k" "$TEST_IMG" | _filter_qemu_io # success, all done echo "*** done" rm -f $seq.full status=0