From nobody Thu Apr 25 20:58:57 2024 Delivered-To: importer2@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; arc=pass (i=1 dmarc=pass fromdomain=virtuozzo.com); dmarc=pass(p=quarantine dis=none) header.from=virtuozzo.com ARC-Seal: i=2; a=rsa-sha256; t=1673536250; cv=pass; d=zohomail.com; s=zohoarc; b=NDqgjmg4NTKg6g7aP0n+qVIg4i+WpdIMbbxZKl0EF0GsLfGKRZuxfB8OtyaDrcd9DCeKKPQ9+FTgAaFL0XNw/rAwhvP3XSc+DXduiP7PCzUmJcFsFjkhBub+9zKsBvgkbH3oLSAx/+60f3Oz+QkxFv8hXghEsTdvr3kJEAzmyZk= ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1673536250; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=KQqIMllBP0VYY9BpCMO4Gag2VOImYYXZALM80YlwIso=; b=PUyJsb/AyjentI0W1Sq8aQpMxByH5aNz7Rum5iZVi4Q8r8ctJU4OAMx3HfGmSI6arVd5B/kuGFGgHN78F1w/NBBtg51mBGY0RfSe9Lwaigx41BXAnKSU5ZG09Pc22LLqSGkXICQQBHlHzb5QTZKOJLZcplTv8kVJLh+VAK7VVcE= ARC-Authentication-Results: i=2; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; arc=pass (i=1 dmarc=pass fromdomain=virtuozzo.com); dmarc=pass header.from= (p=quarantine dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 16735362507882.5874590593651874; Thu, 12 Jan 2023 07:10:50 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pFz5j-0003rL-98; Thu, 12 Jan 2023 10:02:07 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pFz5h-0003pi-Uf; Thu, 12 Jan 2023 10:02:05 -0500 Received: from mail-dbaeur03on2097.outbound.protection.outlook.com ([40.107.104.97] helo=EUR03-DBA-obe.outbound.protection.outlook.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pFz5g-0007HH-BJ; Thu, 12 Jan 2023 10:02:05 -0500 Received: from AS8PR08MB7095.eurprd08.prod.outlook.com (2603:10a6:20b:402::11) by DU0PR08MB9250.eurprd08.prod.outlook.com (2603:10a6:10:419::17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5986.18; Thu, 12 Jan 2023 15:01:57 +0000 Received: from AS8PR08MB7095.eurprd08.prod.outlook.com ([fe80::73cd:4f7a:16fa:e648]) by AS8PR08MB7095.eurprd08.prod.outlook.com ([fe80::73cd:4f7a:16fa:e648%6]) with mapi id 15.20.5986.018; Thu, 12 Jan 2023 15:01:57 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=BgRdyI/2YyMNCpd5C2yKp3cThu4wusmJzp78TPcWHXU8trt9KYbQY41n3oXH/H8ouFxHlolISriAasLn1RnHyq1gYocAksdl7FHs7DRbzLiqKx/IH0iH8Y8OGhVVEl1cePDAHIfzIR8ca+Kf/hgdSVDxwNtDQ3AWGdyWL0BnPDFnR4XiaOmoQW9TSCCaPMmfhGBRg6+CJcn/ASR+/3JD0yBISDoDW10QyeRtitE07xzAy2qarVtk5ptksr5Z9nKB+V1/QPSiM/+Gmx8gmphzdTOfbB/UK0wdMvPjmYN/5oAxmemDINAHmRpkWoIMtiaWHr0X8pLRHcJAgCh3FbK3YA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=KQqIMllBP0VYY9BpCMO4Gag2VOImYYXZALM80YlwIso=; b=BY9bck963gkGRd23RDtpygR2Haje2lYnestIRtSnREyCNbkJpiEdKIzjOp3ISVuMJuDAIG/KMgGYY5j3lPSeL2EpjXWlsScgs22W75ONzvyRIen7vYOk56aSZuwJLvXL92XwzqzARjK/EltEH0eddrsPEhHxf6oWlzXGzwdraR56CAx1s0+V/ZCSPGqyasLpVBu8rXL5Leyk7AocpvKUqBXGMgtHoXm2IM+7wpU+VPW1wN20UgiypKGWcOFINRd8wpAahY9Zyp/exw9LAP71JD0znxmk26bGcoi12d4i43jce+a8KBD3LBspQhXRXHysfrgrczq9zmfay1wNScv6+g== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=virtuozzo.com; dmarc=pass action=none header.from=virtuozzo.com; dkim=pass header.d=virtuozzo.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=virtuozzo.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=KQqIMllBP0VYY9BpCMO4Gag2VOImYYXZALM80YlwIso=; b=xQUEYzf5okpkqmiUHe8TxJ7VfE29sg01s9pTJo8lahDvVKDlV690Phe1gpek6rX9XWkmbnhgOquu5lxuQCy6XifHsEdMG+fICQKAxo4qdR1Mgj/Kq4UkZx+WJmZ3xDEP207GOilGY1MovUHxR+/3MLy7+/49OckT3fhYTxR9iBx4vSKGk+NUtz0SSUuV9tvLy6bDx9/BtM7UuueFltyDll+pfBRmOzrEXVf1KgKNBzPvuiK48pobT+uWMQlzyV6U2ugIdMHYh4V4uykRUIUQ/3/8SMqaIQHfEFOV1R6Ghca1gyemp4s6vH8f0AQCm28bFFAKjLVPfn88LO7WJ8xMuQ== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=virtuozzo.com; From: Alexander Ivanov To: qemu-devel@nongnu.org Cc: qemu-block@nongnu.org, den@virtuozzo.com, stefanha@redhat.com, vsementsov@yandex-team.ru, kwolf@redhat.com, hreitz@redhat.com Subject: [PATCH v2 2/5] parallels: Split image leak handling to separate check and fix helpers Date: Thu, 12 Jan 2023 16:01:46 +0100 Message-Id: <20230112150149.1452033-3-alexander.ivanov@virtuozzo.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230112150149.1452033-1-alexander.ivanov@virtuozzo.com> References: <20230112150149.1452033-1-alexander.ivanov@virtuozzo.com> Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: VI1PR0701CA0035.eurprd07.prod.outlook.com (2603:10a6:800:90::21) To AS8PR08MB7095.eurprd08.prod.outlook.com (2603:10a6:20b:402::11) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AS8PR08MB7095:EE_|DU0PR08MB9250:EE_ X-MS-Office365-Filtering-Correlation-Id: 490bc33e-e63a-44e4-f515-08daf4adf375 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: ZNSLoBpOj5gOVZY1GyELOjIn1500Zlu/cYT3wVq9KbRqDq0bKuPXhGnWl0GVFmG6v9T89BTxUhY98tkiY/p9SYaJ/QJMvnLAj34aZ9YYs0+iiy9/JdgjYVrSa3h0SdBb99eu11Lo/gd0Itl1PTS8GeANIxd0zqLY2L0o9Z/O+4v30fpD6ds8bgFSOZzRw7zpr8A7hwoGkwvROJQei01RxOkg6KdSTOYWfDygaReR+0sU5d+nA98NDV5HE8WtWG250TqGenVGdID9mR/5yjs56BCXcDuV1SDNjNml4uDDMqC5aoNoO1Ady09V9DKefA5MQHFQyRNj+WOAr5aWBCBMVpkh2E3hKyL16N2hctCUhMeynY7ELhVlGLkOLQZEl9nR71DNpkgLsSivOuUaNuFmHMQ3GJZBFaZGKdyQl9/miQifo6zSjGaa5MkWV5xFcVpfTU+L2YrVB2ijX2/Wcn0p0BYwNetEgiHioi7GW5I6da7u0tYwoXqE2t+9KObdRwRia4FvLWPHDzbqI//EPdav3DNpRpQDQzuCO5Yg79wpHkVZcNs5dihd76XK7dSySIkB3wqQ9T9uL6cM15MaYTXlfOkCF0ePhtTHRd7zrM5oPNR6RukRz79K6uH5XmUZ3I9y+BBI4bkpfx8F23xECbP1EGuaHwC1pQhvJ5/PqWdlMknapnYYOUBi75sTxpejNWyliesgwBNH+xZDzYyJjwAwFQ== X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:AS8PR08MB7095.eurprd08.prod.outlook.com; PTR:; CAT:NONE; SFS:(13230022)(4636009)(39850400004)(366004)(346002)(136003)(376002)(396003)(451199015)(36756003)(5660300002)(86362001)(6486002)(316002)(6506007)(52116002)(6916009)(44832011)(2906002)(6666004)(478600001)(66946007)(66476007)(66556008)(8676002)(41300700001)(4326008)(8936002)(38100700002)(6512007)(38350700002)(2616005)(1076003)(26005)(186003)(83380400001); DIR:OUT; SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?rGgsXf2yq5EATJGbkgsMZYlKtU96CVRAn+73l3TDLIdcydqx9IqwnMs0iXKh?= =?us-ascii?Q?V3yEGhQNKBvoY9c27MbUa24gsMVVz/VYY0U5/QC5b503VdDsd+NfaR7pfKhY?= =?us-ascii?Q?BbdxN3j3KJEERGWYvZLymx36BvtECB8AzsuFn6jsBA5QHr4CK/kn6G0wKoLb?= =?us-ascii?Q?f7BAZtCnLRK4SnByxhCwVXS/ufFhiGXOJlShO8aXNNEovK8nldegiVYro25t?= =?us-ascii?Q?jFlRSGxGpr9AY8jdwBRErJF50H0xhjNACUjXu44UIukx9J9tLkvU52YD3So5?= =?us-ascii?Q?1kYpkZrqJw9n92fyA9O6H5OCdeEBv81dpdxKjlog8oP07EgqBY6hLcw97hMs?= =?us-ascii?Q?hXW8Wyy6rKvmxJmFGI/0aSVa/kk0Kz6zRD4PZ/3P03gXsMKij75bH+Jzkslp?= =?us-ascii?Q?WzYYsFzBxU75wdDT9pj72yezEWBrQ/6vF6GgLgRO5KYfDTPdX6xNxm5l9Fsc?= =?us-ascii?Q?oIBHdEVTLO7nJ6XRpR4gcalSW8k1XUYisxFeSNLkA9zd3TShyuJ7PRQo1cen?= =?us-ascii?Q?x2lMgGKQ/pUfm/PKUf2R+KNVIj7IZlJuKNKkiOB+q4HR0nvrEwXPaULk9/JG?= =?us-ascii?Q?zxQOQqXv8ksc4T/VTGT/SJoCv5vWwz1wH04nCqqsLtr2Bi9cuioIlGfgN8oO?= =?us-ascii?Q?OVjNEWhQMqXEFSEYWesFxudyJIwDBVt4NRfvPEiG6eLTwlP2MoqgSAKriLIL?= =?us-ascii?Q?4XdvB7luFKnSSOTwLKTiDks560Uv2UGDn2ycZ5Mv02iA4KG2MokkqDRT2y4z?= =?us-ascii?Q?JQxZgZKOamv2kf+kKaSP3bA3qGfeuAhhtTzIoH7W+aceo+KJ7VClSAn9024h?= =?us-ascii?Q?+9MzfbfKQXc7zBWMQsIxqKP23U2i46TqM7tdTIKXjywN4Dci9pF0cu9Ei2jj?= =?us-ascii?Q?O8CnKIJ1uVjMSLMFdDC8Ku7T8HN5HmI94DabiSCmnkpIVB3e5LqzXexurWrm?= =?us-ascii?Q?CL9PlVbAOdvo2gyt9M5hHT89G/J8D+FZort/paHQbtXWt2I/6acwmirDCsdM?= =?us-ascii?Q?M9odviIKRFR6/90gzzo/3AfyOJrF0eI7mlzk/b+B3MBDxqXawns67sGJHNjT?= =?us-ascii?Q?m5bs7dg9BQAC+iOomLZr8rKDF2yE5OFhl4hYe8Ipnwm4htwyS/KTS+0d2YIu?= =?us-ascii?Q?wTF38SDMwupJX2Y/W69ZzK+YqOLf4OkLtXc2dN2Fa7qdkmoTxqrndqGiCz1q?= =?us-ascii?Q?1lrWJoyt8Lr7ulNGOEcxjAyMeXo9UoXlHVtGYnAzbTtoxekqapln/rUIvM1V?= =?us-ascii?Q?oRFfKxHsz8LBD0vMrmxoN5qLGE2G5+4EQnSNJG71BSzpXhlgX1pL35Ej0qZe?= =?us-ascii?Q?ZjwDT/eNBwtdfY/gou4tutny/nl0OjrIwKR/WXMR50sTb8yY8+rQ1HOD2ULc?= =?us-ascii?Q?UD1qVFP1XYCFNkAl+Ghv5q3uP5BwPjdCUP1tUjB16DPjHbQ1u5YsAd7rmQv4?= =?us-ascii?Q?EfknEdI00MjZRygJAyjdNzxMgtdqKd2YLwMb+igv+iHrmknvQk38ph25vUev?= =?us-ascii?Q?CM5dDdzsgWA6qESPRtUahyv5qnOipoZplNV1Sx+B9qCUBfe6oMtxoQbbcso1?= =?us-ascii?Q?H00GyR0EqTlEKz+yn6xu71sSxA7pMf9nWO5VM2hJC0R/O7cmCHigI1PmoVEc?= =?us-ascii?Q?b9zJHou6+BP17pmK48BdbAA=3D?= X-OriginatorOrg: virtuozzo.com X-MS-Exchange-CrossTenant-Network-Message-Id: 490bc33e-e63a-44e4-f515-08daf4adf375 X-MS-Exchange-CrossTenant-AuthSource: AS8PR08MB7095.eurprd08.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Jan 2023 15:01:57.8709 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 0bc7f26d-0264-416e-a6fc-8352af79c58f X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: lOHybdLlG/suf2HgqrIh79zxGuQrj/owoT6kBjnJ2ePxZuzsLGOnOIzuDCAIDxpIXW/jki6zFbzzI1dLPt6l1RL11RrKKntwvMoO84XnLXQ= X-MS-Exchange-Transport-CrossTenantHeadersStamped: DU0PR08MB9250 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=40.107.104.97; envelope-from=alexander.ivanov@virtuozzo.com; helo=EUR03-DBA-obe.outbound.protection.outlook.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @virtuozzo.com) X-ZM-MESSAGEID: 1673536251360100001 Content-Type: text/plain; charset="utf-8" We need to fix leak after deduplication in the next patch. Move leak fixing to a separate helper parallels_fix_leak() and add parallels_get_leak_size() helper wich used in parallels_fix_leak() and parallels_check_leak(). Signed-off-by: Alexander Ivanov --- block/parallels.c | 88 ++++++++++++++++++++++++++++++++--------------- 1 file changed, 61 insertions(+), 27 deletions(-) diff --git a/block/parallels.c b/block/parallels.c index ed2cf27abc..da1e75096c 100644 --- a/block/parallels.c +++ b/block/parallels.c @@ -475,21 +475,53 @@ static int parallels_check_outside_image(BlockDriverS= tate *bs, return 0; } =20 +static int64_t parallels_get_leak_size(BlockDriverState *bs, + BdrvCheckResult *res) +{ + int64_t size; + size =3D bdrv_getlength(bs->file->bs); + /* + * Before any usage of this function out-of-image corruption has been + * fixed. If the function returns a negative value, it means an error. + */ + return (size < 0) ? size : (size - res->image_end_offset); +} + +static int parallels_fix_leak(BlockDriverState *bs, + BdrvCheckResult *res) +{ + Error *local_err =3D NULL; + int64_t size; + int ret; + + size =3D parallels_get_leak_size(bs, res); + if (size <=3D 0) { + return size; + } + + /* + * In order to really repair the image, we must shrink it. + * That means we have to pass exact=3Dtrue. + */ + ret =3D bdrv_co_truncate(bs->file, res->image_end_offset, true, + PREALLOC_MODE_OFF, 0, &local_err); + if (ret < 0) { + error_report_err(local_err); + return ret; + } + + return 0; +} + static int parallels_check_leak(BlockDriverState *bs, BdrvCheckResult *res, BdrvCheckMode fix) { BDRVParallelsState *s =3D bs->opaque; - int64_t size, off, high_off, count; + int64_t off, high_off, count, leak_size; uint32_t i; int ret; =20 - size =3D bdrv_getlength(bs->file->bs); - if (size < 0) { - res->check_errors++; - return size; - } - high_off =3D 0; for (i =3D 0; i < s->bat_size; i++) { off =3D bat2sect(s, i) << BDRV_SECTOR_BITS; @@ -499,30 +531,32 @@ static int parallels_check_leak(BlockDriverState *bs, } =20 res->image_end_offset =3D high_off + s->cluster_size; - if (size > res->image_end_offset) { - count =3D DIV_ROUND_UP(size - res->image_end_offset, s->cluster_si= ze); - fprintf(stderr, "%s space leaked at the end of the image %" PRId64= "\n", - fix & BDRV_FIX_LEAKS ? "Repairing" : "ERROR", - size - res->image_end_offset); - res->leaks +=3D count; - if (fix & BDRV_FIX_LEAKS) { - Error *local_err =3D NULL; =20 - /* - * In order to really repair the image, we must shrink it. - * That means we have to pass exact=3Dtrue. - */ - ret =3D bdrv_co_truncate(bs->file, res->image_end_offset, true, - PREALLOC_MODE_OFF, 0, &local_err); - if (ret < 0) { - error_report_err(local_err); - res->check_errors++; - return ret; - } - res->leaks_fixed +=3D count; + leak_size =3D parallels_get_leak_size(bs, res); + if (leak_size < 0) { + res->check_errors++; + return leak_size; + } + if (leak_size =3D=3D 0) { + return 0; + } + + if (fix & BDRV_FIX_LEAKS) { + ret =3D parallels_fix_leak(bs, res); + if (ret < 0) { + return ret; } } =20 + count =3D DIV_ROUND_UP(leak_size, s->cluster_size); + fprintf(stderr, "%s space leaked at the end of the image %" PRId64 "\n= ", + fix & BDRV_FIX_LEAKS ? "Repairing" : "ERROR", leak_size); + + res->leaks +=3D count; + if (fix & BDRV_FIX_LEAKS) { + res->leaks_fixed +=3D count; + } + return 0; } =20 --=20 2.34.1