From nobody Mon Feb 9 02:13:47 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1563901705; cv=none; d=zoho.com; s=zohoarc; b=BthBxL6caPyxgzdm1enIjTm+L7IGDdeO0APIz25Ai1Iag0XHXinqqe0BwFuvmSJxHVRf2J7INGUF9ugRcONtzcOjfRh57f5ufEampdlxl33GW5pL0KU7qIX+OEMDPUMMhCd3RbPETB8a+fGPiyJX4xTIQ79UshZ4fMeMj7qpD0g= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1563901705; h=Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=+bLX/HXYop+jFcLVt3Hb/JXVDp0cEiTFoCWJE+WfR3c=; b=F6eGBxyjNuhcef6m+1wQvM4764WKskKy3/lov0Z/raY7PUtWLiI9Llu1wc5/lH1IGruN36ovi4/zSwxxhoHKMeWRXQebU769wABRf+YVw2sBBGGiH1I+uRHmMYFnEiw1gZJPBeMdty7SF54dCpujS8aQZhbd41HXqw8zoOKRD9s= ARC-Authentication-Results: i=1; mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1563901705888975.9463396613835; Tue, 23 Jul 2019 10:08:25 -0700 (PDT) Received: from localhost ([::1]:45988 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hpyH2-0003Wk-H0 for importer@patchew.org; Tue, 23 Jul 2019 13:08:24 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:43216) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hpyBE-0007TU-A7 for qemu-devel@nongnu.org; Tue, 23 Jul 2019 13:02:25 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hpyBC-000636-8e for qemu-devel@nongnu.org; Tue, 23 Jul 2019 13:02:24 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:1934 helo=mx0a-001b2d01.pphosted.com) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hpyBA-0005m9-68 for qemu-devel@nongnu.org; Tue, 23 Jul 2019 13:02:22 -0400 Received: from pps.filterd (m0098421.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x6NH27fU109375 for ; Tue, 23 Jul 2019 13:02:07 -0400 Received: from e32.co.us.ibm.com (e32.co.us.ibm.com [32.97.110.150]) by mx0a-001b2d01.pphosted.com with ESMTP id 2tx60s8n8v-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Tue, 23 Jul 2019 13:02:06 -0400 Received: from localhost by e32.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Tue, 23 Jul 2019 18:01:27 +0100 Received: from b03ledav005.gho.boulder.ibm.com (b03ledav005.gho.boulder.ibm.com [9.17.130.236]) by b03cxnp08028.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x6NH1QFT64684438 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 23 Jul 2019 17:01:26 GMT Received: from b03ledav005.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 6F7E1BE05B; Tue, 23 Jul 2019 17:01:26 +0000 (GMT) Received: from b03ledav005.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 58D7DBE056; Tue, 23 Jul 2019 17:01:26 +0000 (GMT) Received: from localhost (unknown [9.53.179.212]) by b03ledav005.gho.boulder.ibm.com (Postfix) with ESMTP; Tue, 23 Jul 2019 17:01:26 +0000 (GMT) From: Michael Roth To: qemu-devel@nongnu.org Date: Tue, 23 Jul 2019 12:01:03 -0500 X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190723170104.4327-1-mdroth@linux.vnet.ibm.com> References: <20190723170104.4327-1-mdroth@linux.vnet.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 19072317-0004-0000-0000-0000152DB9B2 X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00011482; HX=3.00000242; KW=3.00000007; PH=3.00000004; SC=3.00000287; SDB=6.01236375; UDB=6.00651638; IPR=6.01017731; MB=3.00027856; MTD=3.00000008; XFM=3.00000015; UTC=2019-07-23 17:01:29 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19072317-0005-0000-0000-00008C9463CB Message-Id: <20190723170104.4327-36-mdroth@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-07-23_07:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1906280000 definitions=main-1907230170 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] X-Received-From: 148.163.158.5 Subject: [Qemu-devel] [PATCH 35/36] iotests: Test unaligned raw images with O_DIRECT X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , qemu-stable@nongnu.org, Max Reitz Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Max Reitz We already have 221 for accesses through the page cache, but it is better to create a new file for O_DIRECT instead of integrating those test cases into 221. This way, we can make use of _supported_cache_modes (and _default_cache_mode) so the test is automatically skipped on filesystems that do not support O_DIRECT. As part of the split, add _supported_cache_modes to 221. With that, it no longer fails when run with -c none or -c directsync. Signed-off-by: Max Reitz Reviewed-by: Eric Blake Signed-off-by: Kevin Wolf (cherry picked from commit 2fab30c80b33cdc6157c7efe6207e54b6835cf92) *remove context dependencies on iotests not in 3.1 Signed-off-by: Michael Roth --- tests/qemu-iotests/221 | 4 ++ tests/qemu-iotests/253 | 84 ++++++++++++++++++++++++++++++++++++++ tests/qemu-iotests/253.out | 14 +++++++ tests/qemu-iotests/group | 1 + 4 files changed, 103 insertions(+) create mode 100755 tests/qemu-iotests/253 create mode 100644 tests/qemu-iotests/253.out diff --git a/tests/qemu-iotests/221 b/tests/qemu-iotests/221 index 06f48f1f23..66d7546e35 100755 --- a/tests/qemu-iotests/221 +++ b/tests/qemu-iotests/221 @@ -1,6 +1,7 @@ #!/bin/bash # # Test qemu-img vs. unaligned images +# (See also 253, which is the O_DIRECT version) # # Copyright (C) 2018 Red Hat, Inc. # @@ -37,6 +38,9 @@ _supported_fmt raw _supported_proto file _supported_os Linux =20 +_default_cache_mode writeback +_supported_cache_modes writeback writethrough unsafe + echo echo "=3D=3D=3D Check mapping of unaligned raw image =3D=3D=3D" echo diff --git a/tests/qemu-iotests/253 b/tests/qemu-iotests/253 new file mode 100755 index 0000000000..d88d5afa45 --- /dev/null +++ b/tests/qemu-iotests/253 @@ -0,0 +1,84 @@ +#!/usr/bin/env bash +# +# Test qemu-img vs. unaligned images; O_DIRECT version +# (Originates from 221) +# +# Copyright (C) 2019 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 . +# + +seq=3D"$(basename $0)" +echo "QA output created by $seq" + +status=3D1 # failure is the default! + +_cleanup() +{ + _cleanup_test_img +} +trap "_cleanup; exit \$status" 0 1 2 3 15 + +# get standard environment, filters and checks +. ./common.rc +. ./common.filter + +_supported_fmt raw +_supported_proto file +_supported_os Linux + +_default_cache_mode none +_supported_cache_modes none directsync + +echo +echo "=3D=3D=3D Check mapping of unaligned raw image =3D=3D=3D" +echo + +# We do not know how large a physical sector is, but it is certainly +# going to be a factor of 1 MB +size=3D$((1 * 1024 * 1024 - 1)) + +# qemu-img create rounds size up to BDRV_SECTOR_SIZE +_make_test_img $size +$QEMU_IMG map --output=3Djson --image-opts \ + "driver=3D$IMGFMT,file.driver=3Dfile,file.filename=3D$TEST_IMG,cache.d= irect=3Don" \ + | _filter_qemu_img_map + +# so we resize it and check again +truncate --size=3D$size "$TEST_IMG" +$QEMU_IMG map --output=3Djson --image-opts \ + "driver=3D$IMGFMT,file.driver=3Dfile,file.filename=3D$TEST_IMG,cache.d= irect=3Don" \ + | _filter_qemu_img_map + +# qemu-io with O_DIRECT always writes whole physical sectors. Again, +# we do not know how large a physical sector is, so we just start +# writing from a 64 kB boundary, which should always be aligned. +offset=3D$((1 * 1024 * 1024 - 64 * 1024)) +$QEMU_IO -c "w $offset $((size - offset))" "$TEST_IMG" | _filter_qemu_io +$QEMU_IMG map --output=3Djson --image-opts \ + "driver=3D$IMGFMT,file.driver=3Dfile,file.filename=3D$TEST_IMG,cache.d= irect=3Don" \ + | _filter_qemu_img_map + +# Resize it and check again -- contrary to 221, we may not get partial +# sectors here, so there should be only two areas (one zero, one +# data). +truncate --size=3D$size "$TEST_IMG" +$QEMU_IMG map --output=3Djson --image-opts \ + "driver=3D$IMGFMT,file.driver=3Dfile,file.filename=3D$TEST_IMG,cache.d= irect=3Don" \ + | _filter_qemu_img_map + +# success, all done +echo '*** done' +rm -f $seq.full +status=3D0 diff --git a/tests/qemu-iotests/253.out b/tests/qemu-iotests/253.out new file mode 100644 index 0000000000..607c0baa0b --- /dev/null +++ b/tests/qemu-iotests/253.out @@ -0,0 +1,14 @@ +QA output created by 253 + +=3D=3D=3D Check mapping of unaligned raw image =3D=3D=3D + +Formatting 'TEST_DIR/t.IMGFMT', fmt=3DIMGFMT size=3D1048575 +[{ "start": 0, "length": 1048576, "depth": 0, "zero": true, "data": false,= "offset": OFFSET}] +[{ "start": 0, "length": 1048576, "depth": 0, "zero": true, "data": false,= "offset": OFFSET}] +wrote 65535/65535 bytes at offset 983040 +63.999 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +[{ "start": 0, "length": 983040, "depth": 0, "zero": true, "data": false, = "offset": OFFSET}, +{ "start": 983040, "length": 65536, "depth": 0, "zero": false, "data": tru= e, "offset": OFFSET}] +[{ "start": 0, "length": 983040, "depth": 0, "zero": true, "data": false, = "offset": OFFSET}, +{ "start": 983040, "length": 65536, "depth": 0, "zero": false, "data": tru= e, "offset": OFFSET}] +*** done diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group index 61a6d98ebd..c90889fac2 100644 --- a/tests/qemu-iotests/group +++ b/tests/qemu-iotests/group @@ -233,3 +233,4 @@ 233 auto quick 234 auto quick migration 235 auto quick +253 rw auto quick --=20 2.17.1