From patchwork Sat Apr 24 08:20:19 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Hajnoczi X-Patchwork-Id: 50884 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [199.232.76.165]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 529DBB7D4E for ; Sat, 24 Apr 2010 18:20:59 +1000 (EST) Received: from localhost ([127.0.0.1]:59192 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1O5abg-0001Ta-6F for incoming@patchwork.ozlabs.org; Sat, 24 Apr 2010 04:20:56 -0400 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1O5aal-0001Sp-AN for qemu-devel@nongnu.org; Sat, 24 Apr 2010 04:19:59 -0400 Received: from [140.186.70.92] (port=46464 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1O5aai-0001Rx-Nu for qemu-devel@nongnu.org; Sat, 24 Apr 2010 04:19:58 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1O5aag-0002pi-NU for qemu-devel@nongnu.org; Sat, 24 Apr 2010 04:19:56 -0400 Received: from mtagate4.uk.ibm.com ([194.196.100.164]:41028) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1O5aaf-0002pM-MP for qemu-devel@nongnu.org; Sat, 24 Apr 2010 04:19:54 -0400 Received: from d06nrmr1707.portsmouth.uk.ibm.com (d06nrmr1707.portsmouth.uk.ibm.com [9.149.39.225]) by mtagate4.uk.ibm.com (8.13.1/8.13.1) with ESMTP id o3O8JnJA015550 for ; Sat, 24 Apr 2010 08:19:49 GMT Received: from d06av01.portsmouth.uk.ibm.com (d06av01.portsmouth.uk.ibm.com [9.149.37.212]) by d06nrmr1707.portsmouth.uk.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id o3O8Jn391564718 for ; Sat, 24 Apr 2010 09:19:49 +0100 Received: from d06av01.portsmouth.uk.ibm.com (loopback [127.0.0.1]) by d06av01.portsmouth.uk.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id o3O8JmN2019965 for ; Sat, 24 Apr 2010 09:19:49 +0100 Received: from localhost.localdomain (sig-9-146-165-214.uk.ibm.com [9.146.165.214]) by d06av01.portsmouth.uk.ibm.com (8.12.11.20060308/8.12.11) with ESMTP id o3O8JmGQ019949; Sat, 24 Apr 2010 09:19:48 +0100 From: Stefan Hajnoczi To: qemu-devel@nongnu.org Date: Sat, 24 Apr 2010 09:20:19 +0100 Message-Id: <1272097219-6614-2-git-send-email-stefanha@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.0 In-Reply-To: <1272097219-6614-1-git-send-email-stefanha@linux.vnet.ibm.com> References: <1272097219-6614-1-git-send-email-stefanha@linux.vnet.ibm.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6, seldom 2.4 (older, 4) Cc: Kevin Wolf , Christoph Hellwig , Stefan Hajnoczi Subject: [Qemu-devel] [PATCH 2/2][qemu-iotests] test bdrv_truncate() X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org 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 --- 025 | 73 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 025.out | 25 +++++++++++++++++++++ group | 1 + 3 files changed, 99 insertions(+), 0 deletions(-) create mode 100755 025 create mode 100644 025.out diff --git a/025 b/025 new file mode 100755 index 0000000..09e5b4d --- /dev/null +++ b/025 @@ -0,0 +1,73 @@ +#!/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 -c "truncate $big_size" $TEST_IMG +_check_test_img + +echo +echo "=== Verifying image size" +$QEMU_IO -c "length" $TEST_IMG + +echo +echo "=== Verifying resized image" +io_pattern read 0 $small_size 0 1 0xc5 +io_pattern read $small_size $(($big_size - $small_size)) 0 1 0 + +# success, all done +echo "*** done" +rm -f $seq.full +status=0 diff --git a/025.out b/025.out new file mode 100644 index 0000000..26e3113 --- /dev/null +++ b/025.out @@ -0,0 +1,25 @@ +QA output created by 025 +=== Creating image + +Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728 + +=== Writing whole image +=== IO: pattern 0xc5 +qemu-io> 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 +No errors were found on the image. + +=== Verifying image size +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