1#!/usr/bin/env bash 2# 3# Test corner cases with unusual block geometries 4# 5# Copyright (C) 2016-2018 Red Hat, Inc. 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=eblake@redhat.com 23 24seq=`basename $0` 25echo "QA output created by $seq" 26 27status=1 # failure is the default! 28 29_cleanup() 30{ 31 _cleanup_test_img 32} 33trap "_cleanup; exit \$status" 0 1 2 3 15 34 35# get standard environment, filters and checks 36. ./common.rc 37. ./common.filter 38 39_supported_fmt qcow2 40_supported_proto file 41# This test assumes that discard leaves zero clusters; see test 177 for 42# other tests that also work in older images 43_unsupported_imgopts 'compat=0.10' 44 45CLUSTER_SIZE=1M 46size=128M 47options=driver=blkdebug,image.driver=qcow2 48nested_opts=image.file.driver=file,image.file.filename=$TEST_IMG 49 50echo 51echo "== setting up files ==" 52 53TEST_IMG="$TEST_IMG.base" _make_test_img $size 54$QEMU_IO -c "write -P 11 0 $size" "$TEST_IMG.base" | _filter_qemu_io 55_make_test_img -b "$TEST_IMG.base" 56$QEMU_IO -c "write -P 22 0 110M" "$TEST_IMG" | _filter_qemu_io 57 58# Limited to 64k max-transfer 59echo 60echo "== constrained alignment and max-transfer ==" 61limits=align=4k,max-transfer=64k 62$QEMU_IO -c "open -o $options,$limits blkdebug::$TEST_IMG" \ 63 -c "write -P 33 1000 128k" -c "read -P 33 1000 128k" | _filter_qemu_io 64 65echo 66echo "== write zero with constrained max-transfer ==" 67limits=align=512,max-transfer=64k,opt-write-zero=$CLUSTER_SIZE 68$QEMU_IO -c "open -o $options,$limits blkdebug::$TEST_IMG" \ 69 -c "write -z 8003584 2093056" | _filter_qemu_io 70 71# non-power-of-2 write-zero/discard alignments 72echo 73echo "== non-power-of-2 write zeroes limits ==" 74 75limits=align=512,opt-write-zero=15M,max-write-zero=15M,opt-discard=15M,max-discard=15M 76$QEMU_IO -c "open -o $options,$limits blkdebug::$TEST_IMG" \ 77 -c "write -z 32M 32M" | _filter_qemu_io 78 79echo 80echo "== non-power-of-2 discard limits ==" 81 82limits=align=512,opt-write-zero=15M,max-write-zero=15M,opt-discard=15M,max-discard=15M 83$QEMU_IO -c "open -o $options,$limits blkdebug::$TEST_IMG" \ 84 -c "discard 80000001 30M" | _filter_qemu_io 85 86echo 87echo "== block status smaller than alignment ==" 88limits=align=4k 89$QEMU_IO -c "open -o $options,$limits blkdebug::$TEST_IMG" \ 90 -c "alloc 1 1" -c "alloc 0x6dffff0 1000" -c "alloc 127m 5P" \ 91 -c map | _filter_qemu_io 92 93echo 94echo "== verify image content ==" 95 96verify_io() 97{ 98 echo read -P 22 0 1000 99 echo read -P 33 1000 128k 100 echo read -P 22 132072 7871512 101 echo read -P 0 8003584 2093056 102 echo read -P 22 10096640 23457792 103 echo read -P 0 32M 32M 104 echo read -P 22 64M 13M 105 echo read -P 0 77M 29M 106 echo read -P 22 106M 4M 107 echo read -P 11 110M 18M 108} 109 110verify_io | $QEMU_IO -r "$TEST_IMG" | _filter_qemu_io 111$QEMU_IMG map --image-opts "$options,$nested_opts,align=4k" \ 112 | _filter_qemu_img_map 113 114_check_test_img 115 116# success, all done 117echo "*** done" 118status=0 119