Test new qcow2 open option: keep-dirty. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsement...@virtuozzo.com> --- tests/qemu-iotests/tests/qcow2-keep-dirty | 104 ++++++++++++++++++ tests/qemu-iotests/tests/qcow2-keep-dirty.out | 34 ++++++ 2 files changed, 138 insertions(+) create mode 100755 tests/qemu-iotests/tests/qcow2-keep-dirty create mode 100644 tests/qemu-iotests/tests/qcow2-keep-dirty.out
diff --git a/tests/qemu-iotests/tests/qcow2-keep-dirty b/tests/qemu-iotests/tests/qcow2-keep-dirty new file mode 100755 index 0000000000..101a82bd28 --- /dev/null +++ b/tests/qemu-iotests/tests/qcow2-keep-dirty @@ -0,0 +1,104 @@ +#!/usr/bin/env bash +# group: rw quick +# +# Test qcow2 keep-dirty option +# +# Copyright (c) 2022 Virtuozzo International GmbH. +# +# 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=vsement...@virtuozzo.com + +seq=`basename $0` +echo "QA output created by $seq" + +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 file +_supported_os Linux +# This test does not make much sense with external data files +_unsupported_imgopts data_file + +check_dirty_bit() { + $QEMU_IMG info --output=json "$TEST_IMG" | grep 'dirty-flag' +} + +set_dirty_bit() { + echo Set dirty bit + $PYTHON ../qcow2.py "$TEST_IMG" set-feature-bit incompatible 0 + check_dirty_bit +} + +QEMU_IO_OPTIONS=$QEMU_IO_OPTIONS_NO_FMT + +keep_dirty_opts="driver=qcow2,keep-dirty=true,file.filename=$TEST_IMG" + +size=10M + +_make_test_img $size + +echo Check that keep-dirty not allowed without lazy refcounts +$QEMU_IO -c 'quit' --image-opts "$keep_dirty_opts" + +_make_test_img -o "lazy_refcounts=on" $size + +echo +echo Check that keep-dirty not allowed without dirty bit +$QEMU_IO -c 'quit' --image-opts "$keep_dirty_opts" + +echo +echo Check that usual access clears dirty bit +set_dirty_bit +$QEMU_IO -c 'quit' "$TEST_IMG" +check_dirty_bit + +echo +echo Check keep-dirty +set_dirty_bit +$QEMU_IO -c 'quit' --image-opts "$keep_dirty_opts" +check_dirty_bit + +echo +echo Check that usual qemu-img check clears dirty bit +set_dirty_bit +$QEMU_IMG check -r all "$TEST_IMG" +check_dirty_bit + +echo +echo Test qemu-img check with keep-dirty +set_dirty_bit +# also set corrupt bit +$PYTHON ../qcow2.py "$TEST_IMG" set-feature-bit incompatible 1 +$PYTHON ../qcow2.py "$TEST_IMG" dump-header | grep incompatible +$QEMU_IMG check -r all --image-opts "$keep_dirty_opts" +$PYTHON ../qcow2.py "$TEST_IMG" dump-header | grep incompatible + +# success, all done +echo "*** done" +rm -f $seq.full +status=0 diff --git a/tests/qemu-iotests/tests/qcow2-keep-dirty.out b/tests/qemu-iotests/tests/qcow2-keep-dirty.out new file mode 100644 index 0000000000..4d2bf40521 --- /dev/null +++ b/tests/qemu-iotests/tests/qcow2-keep-dirty.out @@ -0,0 +1,34 @@ +QA output created by qcow2-keep-dirty +Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=10485760 +Check that keep-dirty not allowed without lazy refcounts +qemu-io: can't open: keep-dirty requires lazy refcounts +Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=10485760 + +Check that keep-dirty not allowed without dirty bit +qemu-io: can't open: keep-dirty behaviour is requested but image is not dirty + +Check that usual access clears dirty bit +Set dirty bit + "dirty-flag": true + "dirty-flag": false + +Check keep-dirty +Set dirty bit + "dirty-flag": true + "dirty-flag": true + +Check that usual qemu-img check clears dirty bit +Set dirty bit + "dirty-flag": true +No errors were found on the image. +Image end offset: 262144 + "dirty-flag": false + +Test qemu-img check with keep-dirty +Set dirty bit + "dirty-flag": true +incompatible_features [0, 1] +No errors were found on the image. +Image end offset: 262144 +incompatible_features [0] +*** done -- 2.31.1
