Add a test for qcow2's fast bdrv_make_empty implementation on images without internal snapshots.
Signed-off-by: Max Reitz <mre...@redhat.com> Reviewed-by: Eric Blake <ebl...@redhat.com> --- tests/qemu-iotests/098 | 75 ++++++++++++++++++++++++++++++++++++++++++++++ tests/qemu-iotests/098.out | 26 ++++++++++++++++ tests/qemu-iotests/group | 1 + 3 files changed, 102 insertions(+) create mode 100755 tests/qemu-iotests/098 create mode 100644 tests/qemu-iotests/098.out diff --git a/tests/qemu-iotests/098 b/tests/qemu-iotests/098 new file mode 100755 index 0000000..116f935 --- /dev/null +++ b/tests/qemu-iotests/098 @@ -0,0 +1,75 @@ +#!/bin/bash +# +# Test qcow2's bdrv_make_empty for images without internal snapshots +# +# Copyright (C) 2014 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=mre...@redhat.com + +seq="$(basename $0)" +echo "QA output created by $seq" + +here="$PWD" +tmp=/tmp/$$ +status=1 # failure is the default! + +_cleanup() +{ + _cleanup_test_img + rm -f "$TEST_DIR/blkdebug.conf" +} +trap "_cleanup; exit \$status" 0 1 2 3 15 + +# get standard environment, filters and checks +. ./common.rc +. ./common.filter +. ./common.pattern + +_supported_fmt qcow2 +_supported_proto file +_supported_os Linux + + +for event in l1_update reftable_update; do + +echo +echo "=== $event ===" +echo + +TEST_IMG="$TEST_IMG.base" _make_test_img 64M +_make_test_img -b "$TEST_IMG.base" 64M + +cat > "$TEST_DIR/blkdebug.conf" <<EOF +[inject-error] +event = "$event" +EOF + +$QEMU_IMG commit "blkdebug:$TEST_DIR/blkdebug.conf:$TEST_IMG" 2>&1 \ + | _filter_testdir | _filter_imgfmt + +_check_test_img + +done + + +rm -f "$TEST_DIR/blkdebug.conf" + +# success, all done +echo "*** done" +rm -f $seq.full +status=0 diff --git a/tests/qemu-iotests/098.out b/tests/qemu-iotests/098.out new file mode 100644 index 0000000..5f5af1b --- /dev/null +++ b/tests/qemu-iotests/098.out @@ -0,0 +1,26 @@ +QA output created by 098 + +=== l1_update === + +Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=67108864 +Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 backing_file='TEST_DIR/t.IMGFMT.base' +qemu-img: Could not empty blkdebug:TEST_DIR/blkdebug.conf:TEST_DIR/t.IMGFMT: Input/output error +Leaked cluster 4 refcount=1 reference=0 +Leaked cluster 5 refcount=1 reference=0 +Leaked cluster 6 refcount=1 reference=0 + +3 leaked clusters were found on the image. +This means waste of disk space, but no harm to data. + +=== reftable_update === + +Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=67108864 +Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 backing_file='TEST_DIR/t.IMGFMT.base' +qemu-img: Could not empty blkdebug:TEST_DIR/blkdebug.conf:TEST_DIR/t.IMGFMT: Input/output error +Leaked cluster 3 refcount=1 reference=0 +Leaked cluster 4 refcount=1 reference=0 +Leaked cluster 5 refcount=1 reference=0 + +3 leaked clusters were found on the image. +This means waste of disk space, but no harm to data. +*** done diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group index bdf04cd..dfbd0ed 100644 --- a/tests/qemu-iotests/group +++ b/tests/qemu-iotests/group @@ -101,3 +101,4 @@ 092 rw auto quick 095 rw auto quick 097 rw auto backing +098 rw auto backing quick -- 2.0.1
