From patchwork Wed Aug 16 14:25:07 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabiano Rosas X-Patchwork-Id: 1821868 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=suse.de header.i=@suse.de header.a=rsa-sha256 header.s=susede2_rsa header.b=pAe4ALRc; dkim=pass header.d=suse.de header.i=@suse.de header.a=ed25519-sha256 header.s=susede2_ed25519 header.b=fwRtzVNL; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4RQr7F3NGGz1yNm for ; Thu, 17 Aug 2023 00:27:05 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qWHSi-00043j-S9; Wed, 16 Aug 2023 10:25:28 -0400 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 1qWHSh-00041x-Jd for qemu-devel@nongnu.org; Wed, 16 Aug 2023 10:25:27 -0400 Received: from smtp-out1.suse.de ([195.135.220.28]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1qWHSf-0003my-Di for qemu-devel@nongnu.org; Wed, 16 Aug 2023 10:25:27 -0400 Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 2398F211AE; Wed, 16 Aug 2023 14:25:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1692195924; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=M4F3Z9FAUn93sfwbK8FJ9e5DMMvpXA/8ArfN50R/0eg=; b=pAe4ALRcWIN4PRjj2E20l6zTCaJ1MMmzxHEzLrPUxbf9IrZx86e96zTdkxQuHaZh0Ovrdp O2H0KkgXw2DI4Cn6nwEOChVkc0ek+VKFcD6RsMooTomWscDdnTT3rFO/DO/gaIhVBxz0/p sn4pIPvxa5fw585T27UJkCDLoOG6iWY= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1692195924; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=M4F3Z9FAUn93sfwbK8FJ9e5DMMvpXA/8ArfN50R/0eg=; b=fwRtzVNLUyUQXCFAUbEwyY2sZMqKcmA9HJue/ihyRhsU9cqkF5/mArl9YQ47nQnzS2/25v yDct7R0K3nGXW1Dg== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 9D9D6133F2; Wed, 16 Aug 2023 14:25:22 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id kDzTGVLc3GShdwAAMHmgww (envelope-from ); Wed, 16 Aug 2023 14:25:22 +0000 From: Fabiano Rosas To: qemu-devel@nongnu.org Cc: Juan Quintela , Peter Xu , Wei Wang , Leonardo Bras Subject: [PATCH v4 5/8] migration: Consolidate return path closing code Date: Wed, 16 Aug 2023 11:25:07 -0300 Message-Id: <20230816142510.5637-6-farosas@suse.de> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20230816142510.5637-1-farosas@suse.de> References: <20230816142510.5637-1-farosas@suse.de> MIME-Version: 1.0 Received-SPF: pass client-ip=195.135.220.28; envelope-from=farosas@suse.de; helo=smtp-out1.suse.de X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 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_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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org We'll start calling the await_return_path_close_on_source() function from other parts of the code, so move all of the related checks and tracepoints into it. Reviewed-by: Peter Xu Signed-off-by: Fabiano Rosas --- migration/migration.c | 29 ++++++++++++++--------------- 1 file changed, 14 insertions(+), 15 deletions(-) diff --git a/migration/migration.c b/migration/migration.c index 195726eb4a..4edbee3a5d 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -2049,6 +2049,14 @@ static int open_return_path_on_source(MigrationState *ms, /* Returns 0 if the RP was ok, otherwise there was an error on the RP */ static int await_return_path_close_on_source(MigrationState *ms) { + int ret; + + if (!ms->rp_state.rp_thread_created) { + return 0; + } + + trace_migration_return_path_end_before(); + /* * If this is a normal exit then the destination will send a SHUT * and the rp_thread will exit, however if there's an error we @@ -2066,7 +2074,10 @@ static int await_return_path_close_on_source(MigrationState *ms) qemu_thread_join(&ms->rp_state.rp_thread); ms->rp_state.rp_thread_created = false; trace_await_return_path_close_on_source_close(); - return ms->rp_state.error; + + ret = ms->rp_state.error; + trace_migration_return_path_end_after(ret); + return ret; } static inline void @@ -2362,20 +2373,8 @@ static void migration_completion(MigrationState *s) goto fail; } - /* - * If rp was opened we must clean up the thread before - * cleaning everything else up (since if there are no failures - * it will wait for the destination to send it's status in - * a SHUT command). - */ - if (s->rp_state.rp_thread_created) { - int rp_error; - trace_migration_return_path_end_before(); - rp_error = await_return_path_close_on_source(s); - trace_migration_return_path_end_after(rp_error); - if (rp_error) { - goto fail; - } + if (await_return_path_close_on_source(s)) { + goto fail; } if (qemu_file_get_error(s->to_dst_file)) {