From patchwork Wed Sep 21 11:21:54 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pavel Begunkov X-Patchwork-Id: 12983613 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 B6C54C32771 for ; Wed, 21 Sep 2022 11:24:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229494AbiIULYg (ORCPT ); Wed, 21 Sep 2022 07:24:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34400 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229588AbiIULYe (ORCPT ); Wed, 21 Sep 2022 07:24:34 -0400 Received: from mail-wr1-x435.google.com (mail-wr1-x435.google.com [IPv6:2a00:1450:4864:20::435]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 73177F75 for ; Wed, 21 Sep 2022 04:24:33 -0700 (PDT) Received: by mail-wr1-x435.google.com with SMTP id r7so9375861wrm.2 for ; Wed, 21 Sep 2022 04:24:33 -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; bh=nM507M7dSaz6A9vxYGLBVyDUf2upxuxKhruDLIFnOj0=; b=MrYq7eNEJQn1ubGRh5q9kBt1zOXb0HLMnfmjNLyZ1+NAhKuoqsuCq7FuhwT0Aqcasb H3+euo+X/vbkN5GxpcJBD43+QyqchQDDm/iafPt9BIpkDKfv4vQmlxDon3qE3gIAm6sF JNDFZaQFZyzBeFpMYctkbJB9jsxs6zRDtnTGA8ObQQhjxg2uh8PJg71Z5N8XiTJUA7y0 EQSvnhxKSd6dnlQVIJynjZdNd1zLkLauntKE7Yzqsc/ML0kQ5C3GTArdWEWGfXFNOMS1 3pYc+l3mqGPu4dnMvBfGHncRks86tP+wNbMD7iX8KnCl2TOzXKHACKp01w11/DFK4gdr e1OQ== 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; bh=nM507M7dSaz6A9vxYGLBVyDUf2upxuxKhruDLIFnOj0=; b=ho/QrUZRahlF/ETvmJPX6jE07rVliJTKN5zqFTqPNYiHXYiNoPtgUIf3KzZimGKiX4 3a0qTZqXn3DdN74sGX7FfZsf4/Q7IZgLf0jYt1P/pumKCf4PFqqlhRq+dGBe8dJBXqGC 3IE17Ya3t3F7m2Jyz58s1A7Bg+jJ0AfRYH6XGJzyzlvA/4wfgyGRA9676yhg5UYzQ3WS 8KFlFcok7YVTjicGvaP1b6Y2dcoKQd+KFAUfpx5x9okXyaL2ICmtC8b8v2JdteZ4QUYH Myh8JiK0JZbBRzQjGBx4NgdX/Oubko59TVMCZlepbUSZpfij/Yc3zN/jE3JWbiWecQjs G9DA== X-Gm-Message-State: ACrzQf0k2D56lREXzTJLa5mBaHTkpd6xvTpw1zpvaHRWmDUuLYgRq2/Y J1yjisMAVR3GJubmQMbuCN5TR9s8zuY= X-Google-Smtp-Source: AMsMyM7k71PMOWzRg8AS1rnkdpjZv8DvdaQKSBl+cxb4rSBARJBpEQ3Tn1l2QCbO7pfNa8nitKSN4w== X-Received: by 2002:adf:d1ef:0:b0:228:a9ee:8f13 with SMTP id g15-20020adfd1ef000000b00228a9ee8f13mr16157882wrd.686.1663759471368; Wed, 21 Sep 2022 04:24:31 -0700 (PDT) Received: from 127.0.0.1localhost (188.28.205.62.threembb.co.uk. [188.28.205.62]) by smtp.gmail.com with ESMTPSA id bw25-20020a0560001f9900b0022ac1be009esm2467539wrb.16.2022.09.21.04.24.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 21 Sep 2022 04:24:30 -0700 (PDT) From: Pavel Begunkov To: io-uring@vger.kernel.org Cc: Jens Axboe , asml.silence@gmail.com Subject: [PATCH liburing 0/4] zc changes Date: Wed, 21 Sep 2022 12:21:54 +0100 Message-Id: X-Mailer: git-send-email 2.37.2 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org We're decoupling notifications generation from whether the request failed or not. Adjust the tests, so nobody is confused reading it, and put a note in man. Also, 4/4 adds a test for just sent zc sendmsg. Pavel Begunkov (4): examples: fix sendzc notif handling test: fix zc tests man: note about notification generation tests: add sendmsg_zc tests examples/send-zerocopy.c | 17 +++--- man/io_uring_enter.2 | 5 +- src/include/liburing/io_uring.h | 1 + test/send-zerocopy.c | 101 ++++++++++++++++++++++++-------- 4 files changed, 88 insertions(+), 36 deletions(-)