| 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 |