From patchwork Thu Feb 8 03:05:11 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Xu X-Patchwork-Id: 13549255 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id A36CAC4829B for ; Thu, 8 Feb 2024 03:09:13 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rXulF-0007zx-NL; Wed, 07 Feb 2024 22:07:37 -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 1rXukC-0006ZX-MW for qemu-devel@nongnu.org; Wed, 07 Feb 2024 22:06:33 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rXukA-0004Nd-Pt for qemu-devel@nongnu.org; Wed, 07 Feb 2024 22:06:32 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1707361589; h=from:from:reply-to:subject:subject: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=8s0tvpWkzV3GQMQJaITUyymUQr64z0Z2GBMc/tUa79g=; b=OPQG0+VeeAyRMaFMqb0QCTe6WtlRGGLmLSFX8Ii71r3VzJIevv9X08TErW5VKIKm943UZZ cfL9iNaStIREKg0GoffjeAh82pWLaRPv7DYRG6S9QSUW0TQJNpP9jFgV8MXgGkrTbhz0MQ yXFwFO+EOnMvhKThJ++d9xcorbjKE3w= Received: from mimecast-mx02.redhat.com (mx-ext.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-79-wSZn22o6M9CbEcCaG8y1mg-1; Wed, 07 Feb 2024 22:06:26 -0500 X-MC-Unique: wSZn22o6M9CbEcCaG8y1mg-1 Received: from smtp.corp.redhat.com (int-mx09.intmail.prod.int.rdu2.redhat.com [10.11.54.9]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id EB9873806710; Thu, 8 Feb 2024 03:06:25 +0000 (UTC) Received: from x1n.redhat.com (unknown [10.72.116.45]) by smtp.corp.redhat.com (Postfix) with ESMTP id 781C8492BC7; Thu, 8 Feb 2024 03:06:23 +0000 (UTC) From: peterx@redhat.com To: Peter Maydell , qemu-devel@nongnu.org Cc: peterx@redhat.com, Fabiano Rosas Subject: [PULL 17/34] migration/multifd: Change retval of multifd_queue_page() Date: Thu, 8 Feb 2024 11:05:11 +0800 Message-ID: <20240208030528.368214-18-peterx@redhat.com> In-Reply-To: <20240208030528.368214-1-peterx@redhat.com> References: <20240208030528.368214-1-peterx@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.9 Received-SPF: pass client-ip=170.10.129.124; envelope-from=peterx@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.106, 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, T_SCC_BODY_TEXT_LINE=-0.01 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Peter Xu Using int is an overkill when there're only two options. Change it to a boolean. Reviewed-by: Fabiano Rosas Link: https://lore.kernel.org/r/20240202102857.110210-17-peterx@redhat.com Signed-off-by: Peter Xu --- migration/multifd.h | 2 +- migration/multifd.c | 9 +++++---- migration/ram.c | 2 +- 3 files changed, 7 insertions(+), 6 deletions(-) diff --git a/migration/multifd.h b/migration/multifd.h index 34a2ecb9f4..a320c53a6f 100644 --- a/migration/multifd.h +++ b/migration/multifd.h @@ -22,7 +22,7 @@ bool multifd_recv_all_channels_created(void); void multifd_recv_new_channel(QIOChannel *ioc, Error **errp); void multifd_recv_sync_main(void); int multifd_send_sync_main(void); -int multifd_queue_page(RAMBlock *block, ram_addr_t offset); +bool multifd_queue_page(RAMBlock *block, ram_addr_t offset); /* Multifd Compression flags */ #define MULTIFD_FLAG_SYNC (1 << 0) diff --git a/migration/multifd.c b/migration/multifd.c index ba86f9dda5..12e587fda8 100644 --- a/migration/multifd.c +++ b/migration/multifd.c @@ -505,7 +505,8 @@ static int multifd_send_pages(void) return 1; } -int multifd_queue_page(RAMBlock *block, ram_addr_t offset) +/* Returns true if enqueue successful, false otherwise */ +bool multifd_queue_page(RAMBlock *block, ram_addr_t offset) { MultiFDPages_t *pages = multifd_send_state->pages; bool changed = false; @@ -519,21 +520,21 @@ int multifd_queue_page(RAMBlock *block, ram_addr_t offset) pages->num++; if (pages->num < pages->allocated) { - return 1; + return true; } } else { changed = true; } if (multifd_send_pages() < 0) { - return -1; + return false; } if (changed) { return multifd_queue_page(block, offset); } - return 1; + return true; } /* Multifd send side hit an error; remember it and prepare to quit */ diff --git a/migration/ram.c b/migration/ram.c index d5b7cd5ac2..4649a81204 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -1252,7 +1252,7 @@ static int ram_save_page(RAMState *rs, PageSearchStatus *pss) static int ram_save_multifd_page(RAMBlock *block, ram_addr_t offset) { - if (multifd_queue_page(block, offset) < 0) { + if (!multifd_queue_page(block, offset)) { return -1; } stat64_add(&mig_stats.normal_pages, 1);