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 77F01C433E7 for ; Fri, 16 Oct 2020 17:22:01 +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 C29C220704 for ; Fri, 16 Oct 2020 17:22:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=virtuozzo.com header.i=@virtuozzo.com header.b="dorP5KAa" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C29C220704 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]:33446 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kTTQV-0004Ci-PI for qemu-devel@archiver.kernel.org; Fri, 16 Oct 2020 13:21:59 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:35724) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kTTGN-00038P-I9; Fri, 16 Oct 2020 13:11:31 -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 1kTTGL-0007NG-C0; Fri, 16 Oct 2020 13:11:31 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=UXerHqzZFsFcsfzbT0bchZAGM3MxUROhzY3H3Yb6LI5nLlV9YqMbQ7d3m9cSGDVGkNrAX7JUhWYAvcBllNE8biZALgvS3SixSw5e3NkVWp8WC1Kq9afyE/8ahVlMOhHgkUyS4hI/6t40Z2rAxN//9Ol556NumXoiGoN1qn6h39WoqIfIFBn9EXw7zMa+4edKbnfMJ6Onx5tvgS2QNszVzahPZw45ohbI7ILjugPs9ofA4i8soWT++2me+57gJ8MNfx7Sr1QeYQ0nByLbkYf6xx6HbuhL4mN6jWVmpFrGfEmwRCzuynW+Bc2RKkzmmmUnmuB7dxQejKXM/mPoshq7Xg== 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=dEwDkjkRtmkl7nts3LLAr7JFwri8QCM8JsfV2d83GGE=; b=N1lvEaI/GHeoiT0t463opLvtRs67bW33lsOMlQFvPKkcAaBaQ5pvM7rxwH7+fvASet4FLHiBTOEndoucq59u3oY3ZnW/suH/LYKWoevezPl7a/pTft+nSG3Vjw+nEJqOeQ0LL7Hn8dm/nHQSXV4G4OYUuWx7JtksKkKzxBAnFobHd5la4vk8FhsSHqdXXucblPkeyU+0jDh6PTBp+zXTwPnz9D0i1+GUWU/k0dXuMugZrfMq5IxnAcTQlJEE74A1LqhyT+gTfib4r3rje1AlaSsMhqAEajasQkYtwEesmIim8BK/YLwgSNW739NOgnGxMLvQXqdqrhWecBVX+LOGWg== 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=dEwDkjkRtmkl7nts3LLAr7JFwri8QCM8JsfV2d83GGE=; b=dorP5KAa0ldqZlsHrXVz3xrCZ4/bbXvxMBhDEcJ8742VNXO4hPCyz4vnG94sj8A6/cRQU3HtlYH889aHdQN5pAwP88lHI7aRNEgcDA2VCJ1otwZJsSTDaFD/wFQ7j0iXNUVoH1iOVA7bXEERlGt9i0CGYgyC7ef8eo7ud0cruZk= 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 17:11:19 +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 17:11:19 +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 07/13] blockjob: return status from block_job_set_speed() Date: Fri, 16 Oct 2020 20:10:51 +0300 Message-Id: <20201016171057.6182-8-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 17:11:18 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: bff55794-0499-4e1d-ca35-08d871f67f91 X-MS-TrafficTypeDiagnostic: AM7PR08MB5495: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:4303; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 8ragaz7oeTnNqrWTmAHhi/DdZP+nZxQ7My4lnD/7CBVvgCyY7J16iS1367TsW+XHhXK1ROIFy7vX5+/lTd2KTumOEyu+qlFutJEFUZCmHdMjp4yE8tyf6rXBQW4E2nW0Duoyv73jo+NalQPr6bflVGgJIbjFR/EkCYRyVqdRs6QzQJVh1UbbctgfP+Qv9sWJcknozmLaOQ3lNzZwI1Wdy/4sjWixY7pBUlNTZWM/d1StcNVPY37NDla0/lCgfVKphzAo4EfeCUsjQ4s5bTNcUQqvVCe5aYDHGD0H1kd1FP9DbEYkh0nUhXE7YB75YPb1oNGT5Se+UGoqpuE5jMHVL/YzMSbe9Shj7W2ZBFwpfzcBIOYHLmNQfIvoK914StCT 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)(66946007)(86362001)(16526019)(7416002)(6916009)(66476007)(478600001)(34490700002)(6666004)(186003)(6486002)(2906002)(52116002)(956004)(83380400001)(1076003)(4326008)(8676002)(6512007); DIR:OUT; SFP:1102; X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: virtuozzo.com X-MS-Exchange-CrossTenant-Network-Message-Id: bff55794-0499-4e1d-ca35-08d871f67f91 X-MS-Exchange-CrossTenant-AuthSource: AM7PR08MB5494.eurprd08.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Oct 2020 17:11:19.0553 (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: jJ+q+t/KdrOogsCbuS+0xSeL1U+vyIBvbRhxXEXV/MQ1kezjJ95oyAN4lFLTbYnWVfEvKPdGLvxO51WFrfjGUot1g+/zGsdaNoFQv+w7fKk= 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" Better to return status together with setting errp. It allows to avoid error propagation in the caller. Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Greg Kurz Reviewed-by: Alberto Garcia --- include/block/blockjob.h | 2 +- blockjob.c | 18 ++++++++---------- 2 files changed, 9 insertions(+), 11 deletions(-) diff --git a/include/block/blockjob.h b/include/block/blockjob.h index 35faa3aa26..d200f33c10 100644 --- a/include/block/blockjob.h +++ b/include/block/blockjob.h @@ -139,7 +139,7 @@ bool block_job_has_bdrv(BlockJob *job, BlockDriverState *bs); * Set a rate-limiting parameter for the job; the actual meaning may * vary depending on the job type. */ -void block_job_set_speed(BlockJob *job, int64_t speed, Error **errp); +bool block_job_set_speed(BlockJob *job, int64_t speed, Error **errp); /** * block_job_query: diff --git a/blockjob.c b/blockjob.c index 98ac8af982..bba96a89ba 100644 --- a/blockjob.c +++ b/blockjob.c @@ -254,28 +254,30 @@ static bool job_timer_pending(Job *job) return timer_pending(&job->sleep_timer); } -void block_job_set_speed(BlockJob *job, int64_t speed, Error **errp) +bool block_job_set_speed(BlockJob *job, int64_t speed, Error **errp) { int64_t old_speed = job->speed; - if (job_apply_verb(&job->job, JOB_VERB_SET_SPEED, errp)) { - return; + if (job_apply_verb(&job->job, JOB_VERB_SET_SPEED, errp) < 0) { + return false; } if (speed < 0) { error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "speed", "a non-negative value"); - return; + return false; } ratelimit_set_speed(&job->limit, speed, BLOCK_JOB_SLICE_TIME); job->speed = speed; if (speed && speed <= old_speed) { - return; + return true; } /* kick only if a timer is pending */ job_enter_cond(&job->job, job_timer_pending); + + return true; } int64_t block_job_ratelimit_get_delay(BlockJob *job, uint64_t n) @@ -448,12 +450,8 @@ void *block_job_create(const char *job_id, const BlockJobDriver *driver, /* Only set speed when necessary to avoid NotSupported error */ if (speed != 0) { - Error *local_err = NULL; - - block_job_set_speed(job, speed, &local_err); - if (local_err) { + if (!block_job_set_speed(job, speed, errp)) { job_early_fail(&job->job); - error_propagate(errp, local_err); return NULL; } } -- 2.21.3