From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,MSGID_FROM_MTA_HEADER,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C78F1C433DF for ; Fri, 16 Oct 2020 17:25:01 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1B6D820789 for ; Fri, 16 Oct 2020 17:25:01 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=virtuozzo.com header.i=@virtuozzo.com header.b="vnf+mcya" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1B6D820789 Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=virtuozzo.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:41056 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kTTTQ-0007K6-4d for qemu-devel@archiver.kernel.org; Fri, 16 Oct 2020 13:25:00 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:35838) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kTTGV-0003Qy-AB; Fri, 16 Oct 2020 13:11:39 -0400 Received: from mail-am6eur05on2128.outbound.protection.outlook.com ([40.107.22.128]:42592 helo=EUR05-AM6-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 1kTTGR-0007NG-1T; Fri, 16 Oct 2020 13:11:38 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=IrNKcAV7W1mw5oZdaBSpINlcyVRCh2X9mb1GuTGvNRZ3Kr/3cziuyZ+OmUu7B4I2HiXoqmT3iGcY6bzDmDjL6HzBqCCMNRaSUcG10qH0btv9RVxUjhCzBCNTLrZY9JdGb/hX/hvTNfZ/EUE0mAh+nJ4hGS0ilKrjHfqPE01p+bqz+UJAd7CHGNKEAALXyBiUXhBP0OPO9Ug07pu5Y5x1eZ2pOox96P9XT5PL2hUpPr/Il4eetEoDfYHLKXSNKawjvmxRhYEb9kzrwZahI1eWXg8H8glt/1f/TU2RIWoSXgSZDRF86D9D35jnutJXINoL/ZMnHy/zs0RNim8tJOQLiQ== 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-SenderADCheck; bh=WMy/mfhnyu0Cl+u89MxhZGZL0x6erq5dKOO20vhls1Q=; b=EKQG+H9I92XRNY0QMWZuyg7bY05CRD0YX7v+Ao6uZdE0nEUlA/CvkTXTnqGccl4StjRiNuyYwNQvqf0Tv0+s0Cb3oq2+IncmPhG7u+/44U5tTkeQ/li3y+SZNZbPeuO66mLzLdEiwaPIUOTRV7+dQblCK3yGz4aI2odx4J/4LeQtqQ1tGpn8N05U4BqqTpxHVDrEq8CJrhJzojT7UAPVtpT8hmtlPJHhsD3riFMU2x5BLmD4CTBoPF/6t53dcG2K2y1LG5tacuyqhajD3alvqUUowRHOLzcw4DgqV9FpYaATiZZR8v553G1Ji2oB+rrIFXT4535KmEXurRxsUgfMYQ== 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=WMy/mfhnyu0Cl+u89MxhZGZL0x6erq5dKOO20vhls1Q=; b=vnf+mcyaL2A+ixIMgQ0fYFt7JoChHM2CWjDDAoa8xGaTLNio3qiTfF97iHFDLzZ/9taEF7Qakq0Hvu6bZZpxMAvipJlWiVNqWgCqcmwj+jgIWkeF9KEMFDxu6YkeL67daOtPuBR9Qz4aFXZSRpT9vITFxvYDTZPMS19PNRTjTGc= Authentication-Results: nongnu.org; dkim=none (message not signed) header.d=none;nongnu.org; dmarc=none action=none header.from=virtuozzo.com; Received: from AM7PR08MB5494.eurprd08.prod.outlook.com (2603:10a6:20b:dc::15) by AM7PR08MB5495.eurprd08.prod.outlook.com (2603:10a6:20b:104::19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3455.24; Fri, 16 Oct 2020 17:11:22 +0000 Received: from AM7PR08MB5494.eurprd08.prod.outlook.com ([fe80::fd02:1330:f620:1243]) by AM7PR08MB5494.eurprd08.prod.outlook.com ([fe80::fd02:1330:f620:1243%9]) with mapi id 15.20.3455.031; Fri, 16 Oct 2020 17:11:22 +0000 From: Vladimir Sementsov-Ogievskiy To: qemu-block@nongnu.org Cc: qemu-devel@nongnu.org, armbru@redhat.com, berto@igalia.com, vsementsov@virtuozzo.com, eblake@redhat.com, jsnow@redhat.com, stefanha@redhat.com, pbonzini@redhat.com, pavel.dovgaluk@ispras.ru, ari@tuxera.com, mreitz@redhat.com, kwolf@redhat.com, den@openvz.org, Greg Kurz Subject: [PATCH v3 10/13] block/qcow2-bitmap: return status from qcow2_store_persistent_dirty_bitmaps Date: Fri, 16 Oct 2020 20:10:54 +0300 Message-Id: <20201016171057.6182-11-vsementsov@virtuozzo.com> X-Mailer: git-send-email 2.21.3 In-Reply-To: <20201016171057.6182-1-vsementsov@virtuozzo.com> References: <20201016171057.6182-1-vsementsov@virtuozzo.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [185.215.60.69] X-ClientProxiedBy: FR2P281CA0003.DEUP281.PROD.OUTLOOK.COM (2603:10a6:d10:a::13) 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 (185.215.60.69) by FR2P281CA0003.DEUP281.PROD.OUTLOOK.COM (2603:10a6:d10:a::13) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3499.9 via Frontend Transport; Fri, 16 Oct 2020 17:11:21 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 33686f66-75c1-4c08-f4f5-08d871f68188 X-MS-TrafficTypeDiagnostic: AM7PR08MB5495: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:246; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: oGofrrqBr4g6f+Si1Noe4mC+kGb5xyut5WgXf05aHsk4MwnuEx97TlHrOYyXBpAYSFSa6Meq0OrVPLDQR5NOH5i13UrZ+0EfLE+iZ/r00W+Cb9qnBfSTYC2Fz2qdfgVGkYzkRdJUECo+wXry8ZFLK/OjKmge2oITC0dadT+jkqBIDlU1pboDsvCj/ydVd8NB/aRkrMC11hs23+RnOog/CrkZ1GnUj4mgh/Bfj0BUrYmO7oMgFLpDfCA3nCmfZBJHagr9cplc0HI1oO6JtNGBc1tOybbTJ2yI4FuQ3M9JuZ/Iq4/stPmXC0+LsmK5iJr3mrkVPrdzpqlvc6xkk2baBAIXsKGSuWb3pV1xBITod+goLJM03xwObogWpwajRw3S1FBv8AkJAUoU1o/fp/u6cw== X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:AM7PR08MB5494.eurprd08.prod.outlook.com; PTR:; CAT:NONE; SFS:(4636009)(366004)(396003)(39840400004)(376002)(346002)(136003)(66556008)(316002)(8936002)(36756003)(26005)(5660300002)(2616005)(6506007)(19627235002)(66946007)(86362001)(16526019)(7416002)(6916009)(66476007)(478600001)(34490700002)(6666004)(186003)(6486002)(2906002)(52116002)(956004)(83380400001)(1076003)(4326008)(8676002)(6512007)(14143004); DIR:OUT; SFP:1102; X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: virtuozzo.com X-MS-Exchange-CrossTenant-Network-Message-Id: 33686f66-75c1-4c08-f4f5-08d871f68188 X-MS-Exchange-CrossTenant-AuthSource: AM7PR08MB5494.eurprd08.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Oct 2020 17:11:22.3508 (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: mxmP2Nhd8RkBFk9C5ow+WBvW8azfSH9Sh++ya3xZzkM7/oc+TwZ2WkY0cjI86PFrmsYqLZJoEzO/DEZu5AxbuzlFrYFPdAbzLfER4Iib2lQ= X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM7PR08MB5495 Received-SPF: pass client-ip=40.107.22.128; envelope-from=vsementsov@virtuozzo.com; helo=EUR05-AM6-obe.outbound.protection.outlook.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/16 13:11:16 X-ACL-Warn: Detected OS = Windows NT kernel [generic] [fuzzy] 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, MSGID_FROM_MTA_HEADER=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" It's better to return status together with setting errp. It makes possible to avoid error propagation. While being here, put ERRP_GUARD() to fix error_prepend(errp, ...) usage inside qcow2_store_persistent_dirty_bitmaps() (see the comment above ERRP_GUARD() definition in include/qapi/error.h) Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Greg Kurz Reviewed-by: Alberto Garcia --- block/qcow2.h | 2 +- block/qcow2-bitmap.c | 13 ++++++------- 2 files changed, 7 insertions(+), 8 deletions(-) diff --git a/block/qcow2.h b/block/qcow2.h index 4c994739ed..467cfd4779 100644 --- a/block/qcow2.h +++ b/block/qcow2.h @@ -981,7 +981,7 @@ bool qcow2_get_bitmap_info_list(BlockDriverState *bs, Qcow2BitmapInfoList **info_list, Error **errp); int qcow2_reopen_bitmaps_rw(BlockDriverState *bs, Error **errp); int qcow2_truncate_bitmaps_check(BlockDriverState *bs, Error **errp); -void qcow2_store_persistent_dirty_bitmaps(BlockDriverState *bs, +bool qcow2_store_persistent_dirty_bitmaps(BlockDriverState *bs, bool release_stored, Error **errp); int qcow2_reopen_bitmaps_ro(BlockDriverState *bs, Error **errp); bool qcow2_co_can_store_new_dirty_bitmap(BlockDriverState *bs, diff --git a/block/qcow2-bitmap.c b/block/qcow2-bitmap.c index ca01f08bac..9eccaab7f8 100644 --- a/block/qcow2-bitmap.c +++ b/block/qcow2-bitmap.c @@ -1536,9 +1536,10 @@ out: * readonly to begin with, and whether we opened directly or reopened to that * state shouldn't matter for the state we get afterward. */ -void qcow2_store_persistent_dirty_bitmaps(BlockDriverState *bs, +bool qcow2_store_persistent_dirty_bitmaps(BlockDriverState *bs, bool release_stored, Error **errp) { + ERRP_GUARD(); BdrvDirtyBitmap *bitmap; BDRVQcow2State *s = bs->opaque; uint32_t new_nb_bitmaps = s->nb_bitmaps; @@ -1558,7 +1559,7 @@ void qcow2_store_persistent_dirty_bitmaps(BlockDriverState *bs, bm_list = bitmap_list_load(bs, s->bitmap_directory_offset, s->bitmap_directory_size, errp); if (bm_list == NULL) { - return; + return false; } } @@ -1673,7 +1674,7 @@ success: } bitmap_list_free(bm_list); - return; + return true; fail: QSIMPLEQ_FOREACH(bm, bm_list, entry) { @@ -1691,16 +1692,14 @@ fail: } bitmap_list_free(bm_list); + return false; } int qcow2_reopen_bitmaps_ro(BlockDriverState *bs, Error **errp) { BdrvDirtyBitmap *bitmap; - Error *local_err = NULL; - qcow2_store_persistent_dirty_bitmaps(bs, false, &local_err); - if (local_err != NULL) { - error_propagate(errp, local_err); + if (!qcow2_store_persistent_dirty_bitmaps(bs, false, errp)) { return -EINVAL; } -- 2.21.3