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1 #!/usr/bin/env bash 2 # group: rw auto 3 # 4 # Test qcow2 reopen 5 # 6 # Copyright (C) 2015 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 23 owner=kwolf@redhat.com 24 25 seq="$(basename $0)" 26 echo "QA output created by $seq" 27 28 status=1 # failure is the default! 29 30 _cleanup() 31 { 32 _cleanup_test_img 33 } 34 trap "_cleanup; exit \$status" 0 1 2 3 15 35 36 # get standard environment, filters and checks 37 . ./common.rc 38 . ./common.filter 39 . ./common.qemu 40 41 _supported_fmt qcow2 42 _supported_proto file fuse 43 _supported_os Linux 44 # We are going to use lazy-refcounts 45 _unsupported_imgopts 'compat=0.10' 46 47 48 _make_test_img 64M 49 50 echo === Try setting valid values for all options === 51 echo 52 53 # Try all options and then check that all of the basic I/O operations still 54 # work on this image. 55 $QEMU_IO \ 56 -c "reopen -o lazy-refcounts=on,pass-discard-request=on" \ 57 -c "reopen -o lazy-refcounts=off,pass-discard-request=off" \ 58 -c "reopen -o pass-discard-snapshot=on,pass-discard-other=on" \ 59 -c "reopen -o pass-discard-snapshot=off,pass-discard-other=off" \ 60 -c "reopen -o overlap-check=all" \ 61 -c "reopen -o overlap-check=none" \ 62 -c "reopen -o overlap-check=cached" \ 63 -c "reopen -o overlap-check=constant" \ 64 -c "reopen -o overlap-check.template=all" \ 65 -c "reopen -o overlap-check.template=none" \ 66 -c "reopen -o overlap-check.template=cached" \ 67 -c "reopen -o overlap-check.template=constant" \ 68 -c "reopen -o overlap-check.main-header=on" \ 69 -c "reopen -o overlap-check.main-header=off" \ 70 -c "reopen -o overlap-check.active-l1=on" \ 71 -c "reopen -o overlap-check.active-l1=off" \ 72 -c "reopen -o overlap-check.active-l2=on" \ 73 -c "reopen -o overlap-check.active-l2=off" \ 74 -c "reopen -o overlap-check.refcount-table=on" \ 75 -c "reopen -o overlap-check.refcount-table=off" \ 76 -c "reopen -o overlap-check.refcount-block=on" \ 77 -c "reopen -o overlap-check.refcount-block=off" \ 78 -c "reopen -o overlap-check.snapshot-table=on" \ 79 -c "reopen -o overlap-check.snapshot-table=off" \ 80 -c "reopen -o overlap-check.inactive-l1=on" \ 81 -c "reopen -o overlap-check.inactive-l1=off" \ 82 -c "reopen -o overlap-check.inactive-l2=on" \ 83 -c "reopen -o overlap-check.inactive-l2=off" \ 84 -c "reopen -o cache-size=1M" \ 85 -c "reopen -o l2-cache-size=512k" \ 86 -c "reopen -o l2-cache-entry-size=512" \ 87 -c "reopen -o l2-cache-entry-size=4k" \ 88 -c "reopen -o l2-cache-entry-size=64k" \ 89 -c "reopen -o refcount-cache-size=128k" \ 90 -c "reopen -o cache-clean-interval=5" \ 91 -c "reopen -o cache-clean-interval=0" \ 92 -c "reopen -o cache-clean-interval=10" \ 93 \ 94 -c "write -P 55 0 32M" \ 95 -c "read -P 55 0 32M" \ 96 -c "discard 0 32M" \ 97 -c "write -z 0 32M" \ 98 -c "read -P 0 0 32M" \ 99 \ 100 "$TEST_IMG" | _filter_qemu_io 101 102 103 echo 104 echo === Try setting some invalid values === 105 echo 106 107 $QEMU_IO \ 108 -c "reopen -o lazy-refcounts=42" \ 109 -c "reopen -o cache-size=1M,l2-cache-size=64k,refcount-cache-size=64k" \ 110 -c "reopen -o cache-size=1M,l2-cache-size=2M" \ 111 -c "reopen -o cache-size=1M,refcount-cache-size=2M" \ 112 -c "reopen -o l2-cache-entry-size=33k" \ 113 -c "reopen -o l2-cache-entry-size=128k" \ 114 -c "reopen -o refcount-cache-size=256T" \ 115 -c "reopen -o overlap-check=constant,overlap-check.template=all" \ 116 -c "reopen -o overlap-check=blubb" \ 117 -c "reopen -o overlap-check.template=blubb" \ 118 -c "reopen -o cache-clean-interval=-1" \ 119 "$TEST_IMG" | _filter_qemu_io 120 121 _make_test_img -o "cluster_size=256k" 32P 122 $QEMU_IO \ 123 -c "reopen -o l2-cache-entry-size=512,l2-cache-size=1T" \ 124 "$TEST_IMG" | _filter_qemu_io 125 126 _make_test_img 64M 127 128 echo 129 echo === Test transaction semantics === 130 echo 131 132 # Whether lazy-refcounts was actually enabled can easily be tested: Check if 133 # the dirty bit is set after a crash 134 _NO_VALGRIND \ 135 $QEMU_IO \ 136 -c "reopen -o lazy-refcounts=on,overlap-check=blubb" \ 137 -c "write -P 0x5a 0 512" \ 138 -c "sigraise $(kill -l KILL)" \ 139 "$TEST_IMG" 2>&1 | _filter_qemu_io 140 141 # The dirty bit must not be set 142 # (Filter the external data file bit) 143 if _qcow2_dump_header | grep incompatible_features \ 144 | grep -q '\<0\>' 145 then 146 echo 'ERROR: Dirty bit set' 147 else 148 echo 'OK: Dirty bit not set' 149 fi 150 151 # Similarly we can test whether corruption detection has been enabled: 152 # Create L1, overwrite refcounts, force allocation of L2 by writing 153 # data. 154 # Disabling the checks should fail, so the corruption must be detected. 155 _make_test_img 64M 156 poke_file "$TEST_IMG" "$((0x20000))" "\x00\x00\x00\x00\x00\x00\x00\x00" 157 $QEMU_IO \ 158 -c "reopen -o overlap-check=none,lazy-refcounts=42" \ 159 -c "write 64k 64k" \ 160 "$TEST_IMG" 2>&1 | _filter_qemu_io 161 162 # success, all done 163 echo '*** done' 164 rm -f $seq.full 165 status=0