From patchwork Mon Jan 16 20:49:13 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Max Reitz X-Patchwork-Id: 9519461 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 3EA9A600C5 for ; Mon, 16 Jan 2017 21:05:53 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2F89C26E16 for ; Mon, 16 Jan 2017 21:05:53 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 22424281F9; Mon, 16 Jan 2017 21:05:53 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id AC3D426E16 for ; Mon, 16 Jan 2017 21:05:51 +0000 (UTC) Received: from localhost ([::1]:59564 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cTETO-0006WH-8H for patchwork-qemu-devel@patchwork.kernel.org; Mon, 16 Jan 2017 16:05:50 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45748) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cTEDu-00011N-9y for qemu-devel@nongnu.org; Mon, 16 Jan 2017 15:49:51 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cTEDt-0003rR-Cv for qemu-devel@nongnu.org; Mon, 16 Jan 2017 15:49:50 -0500 Received: from mx1.redhat.com ([209.132.183.28]:50592) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cTEDr-0003qQ-3t; Mon, 16 Jan 2017 15:49:47 -0500 Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 2894737EE1; Mon, 16 Jan 2017 20:49:47 +0000 (UTC) Received: from localhost (ovpn-204-161.brq.redhat.com [10.40.204.161]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id v0GKnjeW000433 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Mon, 16 Jan 2017 15:49:46 -0500 From: Max Reitz To: qemu-block@nongnu.org Date: Mon, 16 Jan 2017 21:49:13 +0100 Message-Id: <20170116204921.31578-10-mreitz@redhat.com> In-Reply-To: <20170111181432.18868-1-mreitz@redhat.com> References: <20170111181432.18868-1-mreitz@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Mon, 16 Jan 2017 20:49:47 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v4 17/25] iotests: Add quorum case to test 110 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Alberto Garcia , qemu-devel@nongnu.org, Max Reitz Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Test 110 tests relative backing filenames for complex BDS trees. Add quorum as an example that can never work automatically (without special-casing if all child nodes have the same base directory), and an example on how to make it work manually (using the base-directory option). Signed-off-by: Max Reitz --- tests/qemu-iotests/110 | 48 ++++++++++++++++++++++++++++++++++++++++++++++ tests/qemu-iotests/110.out | 12 ++++++++++++ 2 files changed, 60 insertions(+) diff --git a/tests/qemu-iotests/110 b/tests/qemu-iotests/110 index ba1b3c6c7d..d96b656b6b 100755 --- a/tests/qemu-iotests/110 +++ b/tests/qemu-iotests/110 @@ -30,6 +30,7 @@ status=1 # failure is the default! _cleanup() { _cleanup_test_img + rm -f "$TEST_IMG.copy" } trap "_cleanup; exit \$status" 0 1 2 3 15 @@ -87,6 +88,53 @@ echo # omit the image size; it should work anyway _make_test_img -b "$TEST_IMG_REL.base" +echo +echo '=== Nodes without a common directory ===' +echo + +cp "$TEST_IMG" "$TEST_IMG.copy" + +# Should inform us that the actual path of the backing file cannot be determined +TEST_IMG="json:{ + 'driver': '$IMGFMT', + 'file': { + 'driver': 'quorum', + 'vote-threshold': 1, + 'children': [ + { + 'driver': 'file', + 'filename': '$TEST_IMG' + }, + { + 'driver': 'file', + 'filename': '$TEST_IMG.copy' + } + ] + } +}" _img_info | _filter_img_info + +echo + +# Should work fine +TEST_IMG="json:{ + 'driver': '$IMGFMT', + 'file': { + 'driver': 'quorum', + 'base-directory': '$TEST_DIR/', + 'vote-threshold': 1, + 'children': [ + { + 'driver': 'file', + 'filename': '$TEST_IMG' + }, + { + 'driver': 'file', + 'filename': '$TEST_IMG.copy' + } + ] + } +}" _img_info | _filter_img_info + # success, all done echo '*** done' diff --git a/tests/qemu-iotests/110.out b/tests/qemu-iotests/110.out index 5370bc1d26..e1845d8026 100644 --- a/tests/qemu-iotests/110.out +++ b/tests/qemu-iotests/110.out @@ -19,4 +19,16 @@ backing file: t.IMGFMT.base (actual path: TEST_DIR/t.IMGFMT.base) === Backing name is always relative to the backed image === Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 backing_file=t.IMGFMT.base + +=== Nodes without a common directory === + +image: json:{"driver": "IMGFMT", "file": {"children": [{"driver": "file", "filename": "TEST_DIR/t.IMGFMT"}, {"driver": "file", "filename": "TEST_DIR/t.IMGFMT.copy"}], "driver": "quorum", "blkverify": false, "rewrite-corrupted": false, "vote-threshold": 1}} +file format: IMGFMT +virtual size: 64M (67108864 bytes) +backing file: t.IMGFMT.base (cannot determine actual path) + +image: json:{"driver": "IMGFMT", "file": {"children": [{"driver": "file", "filename": "TEST_DIR/t.IMGFMT"}, {"driver": "file", "filename": "TEST_DIR/t.IMGFMT.copy"}], "driver": "quorum", "blkverify": false, "rewrite-corrupted": false, "vote-threshold": 1}} +file format: IMGFMT +virtual size: 64M (67108864 bytes) +backing file: t.IMGFMT.base (actual path: TEST_DIR/t.IMGFMT.base) *** done