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Fri, 21 Aug 2020 14:11:45 +0000 From: Vladimir Sementsov-Ogievskiy To: qemu-block@nongnu.org Subject: [PATCH v5 08/10] iotests.py: add verify_o_direct helper Date: Fri, 21 Aug 2020 17:11:21 +0300 Message-Id: <20200821141123.28538-9-vsementsov@virtuozzo.com> X-Mailer: git-send-email 2.21.3 In-Reply-To: <20200821141123.28538-1-vsementsov@virtuozzo.com> References: <20200821141123.28538-1-vsementsov@virtuozzo.com> X-ClientProxiedBy: AM3PR05CA0139.eurprd05.prod.outlook.com (2603:10a6:207:3::17) To AM7PR08MB5494.eurprd08.prod.outlook.com (2603:10a6:20b:dc::15) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from kvm.sw.ru (185.215.60.171) by AM3PR05CA0139.eurprd05.prod.outlook.com (2603:10a6:207:3::17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3305.25 via Frontend Transport; Fri, 21 Aug 2020 14:11:44 +0000 X-Mailer: git-send-email 2.21.3 X-Originating-IP: [185.215.60.171] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 3dab13f6-0088-43d6-1960-08d845dc22f5 X-MS-TrafficTypeDiagnostic: AM6PR08MB5253: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:1388; 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envelope-from=vsementsov@virtuozzo.com; helo=EUR05-VI1-obe.outbound.protection.outlook.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/08/21 10:11:51 X-ACL-Warn: Detected OS = Windows NT kernel [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, MSGID_FROM_MTA_HEADER=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action 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: fam@euphon.net, kwolf@redhat.com, vsementsov@virtuozzo.com, armbru@redhat.com, qemu-devel@nongnu.org, mreitz@redhat.com, nsoffer@redhat.com, stefanha@redhat.com, den@openvz.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Add python notrun-helper similar to _check_o_direct for bash tests. To be used in the following commit. Suggested-by: Nir Soffer Signed-off-by: Vladimir Sementsov-Ogievskiy --- tests/qemu-iotests/iotests.py | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py index 717b5b652c..7f1aa187a9 100644 --- a/tests/qemu-iotests/iotests.py +++ b/tests/qemu-iotests/iotests.py @@ -29,6 +29,7 @@ import struct import subprocess import sys import time +import errno from typing import (Any, Callable, Dict, Iterable, List, Optional, Sequence, Tuple, TypeVar) import unittest @@ -1083,6 +1084,17 @@ def _verify_aio_mode(supported_aio_modes: Sequence[str] = ()) -> None: if supported_aio_modes and (aiomode not in supported_aio_modes): notrun('not suitable for this aio mode: %s' % aiomode) +def verify_o_direct() -> None: + with FilePath('test_o_direct') as f: + try: + fd = os.open(f, os.O_DIRECT | os.O_CREAT | os.O_RDWR) + except OSError as e: + if e.errno != errno.EINVAL: + raise + notrun(f'file system at {test_dir} does not support O_DIRECT') + else: + os.close(fd) + def supports_quorum(): return 'quorum' in qemu_img_pipe('--help')