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Diffstat (limited to 'qemu/tests/qemu-iotests/137')
| -rwxr-xr-x | qemu/tests/qemu-iotests/137 | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/qemu/tests/qemu-iotests/137 b/qemu/tests/qemu-iotests/137 new file mode 100755 index 000000000..e5e30de2f --- /dev/null +++ b/qemu/tests/qemu-iotests/137 @@ -0,0 +1,144 @@ +#!/bin/bash +# +# Test qcow2 reopen +# +# Copyright (C) 2015 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 +. ./common.qemu + +_supported_fmt qcow2 +_supported_proto generic +_supported_os Linux + + +_make_test_img 64M + +echo === Try setting valid values for all options === +echo + +# Try all options and then check that all of the basic I/O operations still +# work on this image. +$QEMU_IO \ + -c "reopen -o lazy-refcounts=on,pass-discard-request=on" \ + -c "reopen -o lazy-refcounts=off,pass-discard-request=off" \ + -c "reopen -o pass-discard-snapshot=on,pass-discard-other=on" \ + -c "reopen -o pass-discard-snapshot=off,pass-discard-other=off" \ + -c "reopen -o overlap-check=all" \ + -c "reopen -o overlap-check=none" \ + -c "reopen -o overlap-check=cached" \ + -c "reopen -o overlap-check=constant" \ + -c "reopen -o overlap-check.template=all" \ + -c "reopen -o overlap-check.template=none" \ + -c "reopen -o overlap-check.template=cached" \ + -c "reopen -o overlap-check.template=constant" \ + -c "reopen -o overlap-check.main-header=on" \ + -c "reopen -o overlap-check.main-header=off" \ + -c "reopen -o overlap-check.active-l1=on" \ + -c "reopen -o overlap-check.active-l1=off" \ + -c "reopen -o overlap-check.active-l2=on" \ + -c "reopen -o overlap-check.active-l2=off" \ + -c "reopen -o overlap-check.refcount-table=on" \ + -c "reopen -o overlap-check.refcount-table=off" \ + -c "reopen -o overlap-check.refcount-block=on" \ + -c "reopen -o overlap-check.refcount-block=off" \ + -c "reopen -o overlap-check.snapshot-table=on" \ + -c "reopen -o overlap-check.snapshot-table=off" \ + -c "reopen -o overlap-check.inactive-l1=on" \ + -c "reopen -o overlap-check.inactive-l1=off" \ + -c "reopen -o overlap-check.inactive-l2=on" \ + -c "reopen -o overlap-check.inactive-l2=off" \ + -c "reopen -o cache-size=1M" \ + -c "reopen -o l2-cache-size=512k" \ + -c "reopen -o refcount-cache-size=128k" \ + -c "reopen -o cache-clean-interval=5" \ + -c "reopen -o cache-clean-interval=0" \ + -c "reopen -o cache-clean-interval=10" \ + \ + -c "write -P 55 0 32M" \ + -c "read -P 55 0 32M" \ + -c "discard 0 32M" \ + -c "write -z 0 32M" \ + -c "read -P 0 0 32M" \ + \ + "$TEST_IMG" | _filter_qemu_io + + +echo +echo === Try setting some invalid values === +echo + +$QEMU_IO \ + -c "reopen -o lazy-refcounts=42" \ + -c "reopen -o cache-size=1M,l2-cache-size=64k,refcount-cache-size=64k" \ + -c "reopen -o cache-size=1M,l2-cache-size=2M" \ + -c "reopen -o cache-size=1M,refcount-cache-size=2M" \ + -c "reopen -o l2-cache-size=256T" \ + -c "reopen -o refcount-cache-size=256T" \ + -c "reopen -o overlap-check=constant,overlap-check.template=all" \ + -c "reopen -o overlap-check=blubb" \ + -c "reopen -o overlap-check.template=blubb" \ + -c "reopen -o cache-clean-interval=-1" \ + "$TEST_IMG" | _filter_qemu_io + +echo +echo === Test transaction semantics === +echo + +# Whether lazy-refcounts was actually enabled can easily be tested: Check if +# the dirty bit is set after a crash +$QEMU_IO \ + -c "reopen -o lazy-refcounts=on,overlap-check=blubb" \ + -c "write -P 0x5a 0 512" \ + -c "sigraise $(kill -l KILL)" \ + "$TEST_IMG" 2>&1 | _filter_qemu_io + +# The dirty bit must not be set +$PYTHON qcow2.py "$TEST_IMG" dump-header | grep incompatible_features + +# Similarly we can test whether corruption detection has been enabled: +# Create L1/L2, overwrite first entry in refcount block, allocate something. +# Disabling the checks should fail, so the corruption must be detected. +_make_test_img 64M +$QEMU_IO -c "write 0 64k" "$TEST_IMG" | _filter_qemu_io +poke_file "$TEST_IMG" "$((0x20000))" "\x00\x00" +$QEMU_IO \ + -c "reopen -o overlap-check=none,lazy-refcounts=42" \ + -c "write 64k 64k" \ + "$TEST_IMG" 2>&1 | _filter_qemu_io + +# success, all done +echo '*** done' +rm -f $seq.full +status=0 |