From patchwork Fri Apr 9 03:20:50 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Rao, Lei" X-Patchwork-Id: 12192921 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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 96870C433B4 for ; Fri, 9 Apr 2021 03:43:49 +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 2805461055 for ; Fri, 9 Apr 2021 03:43:49 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2805461055 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:38816 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lUi3g-0004a0-7b for qemu-devel@archiver.kernel.org; Thu, 08 Apr 2021 23:43:48 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:51910) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lUi2Z-00034L-Jv for qemu-devel@nongnu.org; Thu, 08 Apr 2021 23:42:39 -0400 Received: from mga05.intel.com ([192.55.52.43]:12409) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lUi2X-0007NR-SX for qemu-devel@nongnu.org; Thu, 08 Apr 2021 23:42:39 -0400 IronPort-SDR: 9KMicSLLzLfteZsclOXu5J89HhcUKc+eTE9divWgCczw0TzQ/jmi2g0KHjIFKb3Uf7g69uId/Y iv6YkBJGJQRA== X-IronPort-AV: E=McAfee;i="6000,8403,9948"; a="278957326" X-IronPort-AV: E=Sophos;i="5.82,208,1613462400"; d="scan'208";a="278957326" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Apr 2021 20:42:37 -0700 IronPort-SDR: zb8u+B0G5QYE0VKirgTusnXQpn5Ra+ZUEfoxGt+6gkxX5FgQcfcvYakYpSxPxivqbj4MM+LKIK xxixhNG+2KyA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,208,1613462400"; d="scan'208";a="416081062" Received: from unknown (HELO localhost.localdomain.bj.intel.com) ([10.240.192.103]) by fmsmga008.fm.intel.com with ESMTP; 08 Apr 2021 20:42:34 -0700 From: leirao To: chen.zhang@intel.com, lizhijian@cn.fujitsu.com, jasowang@redhat.com, quintela@redhat.com, dgilbert@redhat.com, pbonzini@redhat.com, lukasstraub2@web.de Subject: [PATCH v6 04/10] Remove migrate_set_block_enabled in checkpoint Date: Thu, 8 Apr 2021 23:20:50 -0400 Message-Id: <1617938456-315058-5-git-send-email-lei.rao@intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1617938456-315058-1-git-send-email-lei.rao@intel.com> References: <1617938456-315058-1-git-send-email-lei.rao@intel.com> Received-SPF: pass client-ip=192.55.52.43; envelope-from=lei.rao@intel.com; helo=mga05.intel.com X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, 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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Rao, Lei" , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: "Rao, Lei" We can detect disk migration in migrate_prepare, if disk migration is enabled in COLO mode, we can directly report an error.and there is no need to disable block migration at every checkpoint. Signed-off-by: Lei Rao Signed-off-by: Zhang Chen Reviewed-by: Li Zhijian Reviewed-by: Zhang Chen Reviewed-by: Lukas Straub Tested-by: Lukas Straub --- migration/colo.c | 6 ------ migration/migration.c | 4 ++++ 2 files changed, 4 insertions(+), 6 deletions(-) diff --git a/migration/colo.c b/migration/colo.c index de27662..1aaf316 100644 --- a/migration/colo.c +++ b/migration/colo.c @@ -435,12 +435,6 @@ static int colo_do_checkpoint_transaction(MigrationState *s, if (failover_get_state() != FAILOVER_STATUS_NONE) { goto out; } - - /* Disable block migration */ - migrate_set_block_enabled(false, &local_err); - if (local_err) { - goto out; - } qemu_mutex_lock_iothread(); #ifdef CONFIG_REPLICATION diff --git a/migration/migration.c b/migration/migration.c index 8ca0341..c85b926 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -2227,6 +2227,10 @@ static bool migrate_prepare(MigrationState *s, bool blk, bool blk_inc, } if (blk || blk_inc) { + if (migrate_colo_enabled()) { + error_setg(errp, "No disk migration is required in COLO mode"); + return false; + } if (migrate_use_block() || migrate_use_block_incremental()) { error_setg(errp, "Command options are incompatible with " "current migration capabilities");