From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1O6LJo-0003b0-7R for qemu-devel@nongnu.org; Mon, 26 Apr 2010 06:13:36 -0400 Received: from [140.186.70.92] (port=49795 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1O6LJm-0003Zh-Fk for qemu-devel@nongnu.org; Mon, 26 Apr 2010 06:13:35 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1O6LJk-0000uf-GJ for qemu-devel@nongnu.org; Mon, 26 Apr 2010 06:13:34 -0400 Received: from mtagate7.uk.ibm.com ([194.196.100.167]:38074) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1O6LJk-0000uS-93 for qemu-devel@nongnu.org; Mon, 26 Apr 2010 06:13:32 -0400 Received: from d06nrmr1707.portsmouth.uk.ibm.com (d06nrmr1707.portsmouth.uk.ibm.com [9.149.39.225]) by mtagate7.uk.ibm.com (8.13.1/8.13.1) with ESMTP id o3QADTjE032532 for ; Mon, 26 Apr 2010 10:13:29 GMT Received: from d06av03.portsmouth.uk.ibm.com (d06av03.portsmouth.uk.ibm.com [9.149.37.213]) by d06nrmr1707.portsmouth.uk.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id o3QADL2O1450074 for ; Mon, 26 Apr 2010 11:13:29 +0100 Received: from d06av03.portsmouth.uk.ibm.com (loopback [127.0.0.1]) by d06av03.portsmouth.uk.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id o3QADKbm012075 for ; Mon, 26 Apr 2010 11:13:21 +0100 From: Stefan Hajnoczi Date: Mon, 26 Apr 2010 11:13:31 +0100 Message-Id: <1272276811-8951-1-git-send-email-stefanha@linux.vnet.ibm.com> Subject: [Qemu-devel] [PATCH v2][qemu-iotests] test bdrv_truncate() List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Christoph Hellwig Cc: Kevin Wolf , qemu-devel@nongnu.org, Stefan Hajnoczi This patch adds an image resize grow test to ensure that existing data is not lost during grow and new space is zeroed. Signed-off-by: Stefan Hajnoczi --- v2: * Check length before and after truncate operation on opened image 025 | 77 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 025.out | 27 ++++++++++++++++++++++ group | 1 + 3 files changed, 105 insertions(+), 0 deletions(-) create mode 100755 025 create mode 100644 025.out diff --git a/025 b/025 new file mode 100755 index 0000000..6af1e46 --- /dev/null +++ b/025 @@ -0,0 +1,77 @@ +#!/bin/bash +# +# Resizing images +# +# Copyright (C) 2010 IBM, Corp. +# +# 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=stefanha@linux.vnet.ibm.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 +. ./common.pattern + +_supported_fmt raw qcow2 +_supported_os Linux + +echo "=== Creating image" +echo +small_size=$((128 * 1024 * 1024)) +big_size=$((384 * 1024 * 1024)) +_make_test_img $small_size + +echo +echo "=== Writing whole image" +io_pattern write 0 $small_size 0 1 0xc5 +_check_test_img + +echo +echo "=== Resizing image" +$QEMU_IO $TEST_IMG < wrote 134217728/134217728 bytes at offset 0 +128 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +qemu-io> No errors were found on the image. + +=== Resizing image +qemu-io> 128 MiB +qemu-io> qemu-io> 384 MiB +qemu-io> No errors were found on the image. + +=== Verifying image size after reopen +384 MiB + +=== Verifying resized image +=== IO: pattern 0xc5 +qemu-io> read 134217728/134217728 bytes at offset 0 +128 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +qemu-io> === IO: pattern 0 +qemu-io> read 268435456/268435456 bytes at offset 134217728 +256 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +qemu-io> *** done diff --git a/group b/group index b4b3b40..3c0e630 100644 --- a/group +++ b/group @@ -31,3 +31,4 @@ 022 rw snapshot auto 023 rw auto 024 rw backing auto +025 rw auto -- 1.7.0