From patchwork Thu Oct 20 01:42:34 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pavel Begunkov X-Patchwork-Id: 13012531 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A5FBBC433FE for ; Thu, 20 Oct 2022 01:43:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230280AbiJTBnl (ORCPT ); Wed, 19 Oct 2022 21:43:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58102 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229917AbiJTBnk (ORCPT ); Wed, 19 Oct 2022 21:43:40 -0400 Received: from mail-ed1-x532.google.com (mail-ed1-x532.google.com [IPv6:2a00:1450:4864:20::532]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 680AE1D1AA5 for ; Wed, 19 Oct 2022 18:43:39 -0700 (PDT) Received: by mail-ed1-x532.google.com with SMTP id u21so27776751edi.9 for ; Wed, 19 Oct 2022 18:43:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=qIlxmz8bqI/AjdWv0EBhfb5P48nECpAjHhgSFLJazRs=; b=a/N4KtaJJBzZHoGN5Bt+dMmyZS6B2eetyFOlrsWowJmhdUlgWoLsoqUjD/ORE+vLy1 XaVA4pFMpgW1pBSmGt5itkraIDtX05yBnbcjVSI7+ByGQnbCmbItJl6EWli9+vIzjBzH klxK8WLLiKdB+BkxMvbWaLOV+MBVWJ8Cg6hbl044gWSjH6CMzEpVCRA2ZeSL4hOVfDVF QVPYHmgZDtcqd1fxRzfec6C7kTk0A2aS+ZKcI/UXHzUPJiKplX8k6vd4+jOOTQMEKvIQ zWZHUZuYrUu7RnN3XwmptlAmlX5ADu/c+4pTxLOxbRtrwiiYD6fdT48N47o6uv5/qNGq nc0Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=qIlxmz8bqI/AjdWv0EBhfb5P48nECpAjHhgSFLJazRs=; b=JoZ9v+79Z59BiN/fnnnpJXCckm4xDK9XQg1VIAi61MMlkySPZxdW93RV0wltpHxSfz iVNwXhkTckNYcydFwLL/vsnstmZbNaHoNNhkuIImCLQ9yx/4wl+7q2ubusfV23T4fHaN 1XvvvPN/IZdt1sIYIj3MGHhfvBeXt+VDD9sSzF3SFdp84MmTR8veSNn5G96GiSHW90lW 0mKd8Dc5vlPBD74O4RlEGuGJlE1SwB+2JR9AwEJvhgv4t29ILGbt6xLZklZ/5kQ0Bfix 52wQeP6PvlQfEJ+cbeieE4reut/BaG9eVwp3hPB7ApGF5E8jzdK5oMojMilY4EyZu5pf In1g== X-Gm-Message-State: ACrzQf0DZ+K4bq2Va2doYdsYMq4iwMnAC3l2BapLWUQF7pyAX/J3ng8r gYDmGPo1YEAh/DXiqgHjpsXYeZZnjWw= X-Google-Smtp-Source: AMsMyM4bYKpcdjekNSWu7b/HwNlKQH8S1i7KPZ89RBmPaUOJeeNFtxOhMELb36GJr3DfUuE+reUzjg== X-Received: by 2002:a05:6402:42c3:b0:45c:ec49:aacf with SMTP id i3-20020a05640242c300b0045cec49aacfmr9975762edc.40.1666230217554; Wed, 19 Oct 2022 18:43:37 -0700 (PDT) Received: from 127.0.0.1localhost (94.197.72.2.threembb.co.uk. [94.197.72.2]) by smtp.gmail.com with ESMTPSA id g16-20020a170906539000b0073d5948855asm9695530ejo.1.2022.10.19.18.43.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 19 Oct 2022 18:43:37 -0700 (PDT) From: Pavel Begunkov To: io-uring@vger.kernel.org Cc: Jens Axboe , asml.silence@gmail.com, Stefan Metzmacher Subject: [PATCH for-6.1 0/2] don't fallback if sock doesn't undestand zc Date: Thu, 20 Oct 2022 02:42:34 +0100 Message-Id: X-Mailer: git-send-email 2.38.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org Prefer failinig requests over copying when we're dealing with protocols that don't support io_uring zerocopy send. The patches are split to make backporting easier. Pavel Begunkov (2): io_uring/net: fail zc send for unsupported protocols io_uring/net: fail zc sendmsg for unsupported protocols io_uring/net.c | 11 +++++++++++ 1 file changed, 11 insertions(+)