From 5fe07e00b182e79e2e8095916d18cc0f37348efe Mon Sep 17 00:00:00 2001 From: Max Reitz Date: Fri, 2 May 2014 16:06:21 +0200 Subject: [PATCH 03/31] qemu-iotests: Discard preallocated zero clusters RH-Author: Max Reitz Message-id: <1399046781-16359-3-git-send-email-mreitz@redhat.com> Patchwork-id: 58645 O-Subject: [RHEL-7.0 qemu-kvm PATCH 2/2] qemu-iotests: Discard preallocated zero clusters Bugzilla: 1052093 RH-Acked-by: Kevin Wolf RH-Acked-by: Stefan Hajnoczi RH-Acked-by: Jeffrey Cody BZ: 1052093 Add a new test case for discarding preallocated zero clusters; doing this should not result in any leaks. Signed-off-by: Max Reitz Signed-off-by: Kevin Wolf (cherry picked from commit 975a93c082452db9aa1397a797ca8f13ba367393) Conflicts: tests/qemu-iotests/group Signed-off-by: Max Reitz --- tests/qemu-iotests/066 | 63 ++++++++++++++++++++++++++++++++++++++++++++++ tests/qemu-iotests/066.out | 13 ++++++++++ tests/qemu-iotests/group | 1 + 3 files changed, 77 insertions(+) create mode 100755 tests/qemu-iotests/066 create mode 100644 tests/qemu-iotests/066.out Signed-off-by: Miroslav Rezanina --- tests/qemu-iotests/066 | 63 ++++++++++++++++++++++++++++++++++++++++++++ tests/qemu-iotests/066.out | 13 +++++++++ tests/qemu-iotests/group | 1 + 3 files changed, 77 insertions(+), 0 deletions(-) create mode 100755 tests/qemu-iotests/066 create mode 100644 tests/qemu-iotests/066.out diff --git a/tests/qemu-iotests/066 b/tests/qemu-iotests/066 new file mode 100755 index 0000000..1c2452b --- /dev/null +++ b/tests/qemu-iotests/066 @@ -0,0 +1,63 @@ +#!/bin/bash +# +# Test case for discarding preallocated zero clusters in qcow2 +# +# Copyright (C) 2013 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 . +# + +# creator +owner=mreitz@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 +} +trap "_cleanup; exit \$status" 0 1 2 3 15 + +# get standard environment, filters and checks +. ./common.rc +. ./common.filter + +# This tests qocw2-specific low-level functionality +_supported_fmt qcow2 +_supported_proto generic +_supported_os Linux + +IMGOPTS="compat=1.1" +IMG_SIZE=64M + +echo +echo "=== Testing snapshotting an image with zero clusters ===" +echo +_make_test_img $IMG_SIZE +# Write some normal clusters, zero them (creating preallocated zero clusters) +# and discard those +$QEMU_IO -c "write 0 256k" -c "write -z 0 256k" -c "discard 0 256k" "$TEST_IMG" \ + | _filter_qemu_io +# Check the image (there shouldn't be any leaks) +_check_test_img + +# success, all done +echo "*** done" +rm -f $seq.full +status=0 diff --git a/tests/qemu-iotests/066.out b/tests/qemu-iotests/066.out new file mode 100644 index 0000000..9139780 --- /dev/null +++ b/tests/qemu-iotests/066.out @@ -0,0 +1,13 @@ +QA output created by 066 + +=== Testing snapshotting an image with zero clusters === + +Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 +wrote 262144/262144 bytes at offset 0 +256 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +wrote 262144/262144 bytes at offset 0 +256 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +discard 262144/262144 bytes at offset 0 +256 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +No errors were found on the image. +*** done diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group index ad96fcf..1c91036 100644 --- a/tests/qemu-iotests/group +++ b/tests/qemu-iotests/group @@ -68,6 +68,7 @@ 063 rw auto 064 rw auto 065 rw auto +066 rw auto 067 rw auto 068 rw auto 070 rw auto -- 1.7.1