From mboxrd@z Thu Jan 1 00:00:00 1970 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=-3.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=no 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 55D4FC5B57A for ; Sat, 29 Jun 2019 16:12:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2458F2086D for ; Sat, 29 Jun 2019 16:12:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=kernel-dk.20150623.gappssmtp.com header.i=@kernel-dk.20150623.gappssmtp.com header.b="toYLAA3u" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726858AbfF2QMJ (ORCPT ); Sat, 29 Jun 2019 12:12:09 -0400 Received: from mail-io1-f44.google.com ([209.85.166.44]:44811 "EHLO mail-io1-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726849AbfF2QMJ (ORCPT ); Sat, 29 Jun 2019 12:12:09 -0400 Received: by mail-io1-f44.google.com with SMTP id s7so19053545iob.11 for ; Sat, 29 Jun 2019 09:12:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id; bh=59azEh7BXrcbkZlQa9IzXL9jo7RflCXRCdxV5RsH6eo=; b=toYLAA3uRCCr4OHmBH3iwLBQUtsCxxRQ4ujWl53T26TF4OjO7eKMHxTaHSW+/HqLpC 4TyxVglVF913QWWttwJb00fCGk00TqL+Osz6dLHfgzBkMcj7FH8YnkW7/k214zbSwA2T 3yntvBC9fp+zZDJXD3KOinxx0Yf4C/BCWGDfWYH5QLkPYo2Jttnd4mGcuu3xy319d92W UM2luQ1qUTrcX3fuU2ueNGBk98kmB3lxNR30+qcXbVrlGsZOgTbMgqewWBcxN4UjN5kD rEhdAt39xJika8pSZAsxxQndTiue9ipN/MC6lfw6yZ8hrv4XIBi0hhH57vzR4Bk6MhNU ZGng== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=59azEh7BXrcbkZlQa9IzXL9jo7RflCXRCdxV5RsH6eo=; b=VvP5Qhbo03VhfYoRPijOlMpN8+4Pu3mitx+3OCwnqZ5e3JctGRQMjyiT3uYEqIJPn9 gahtSiB3E285yF1rc+FYRjE5j3rXp3l7tb2wL0stHEgbFaM0yKm6EG6xsHwn0TQLHmqa WE6LWkAmIX2rc/oh9wgIpOQcLRq/VOkEGamzO2QhfOS8hziIbzzFw2M+Klr0IeR1PD0c QkzwZYPonon87m2CaBBwb57vZnAhQSFyufy8Z73/fwdQE8orLmB8JooVkL6/K/di+P66 Ij5SRnfEoolwz2JMWsvSUurqtMVm1Uk/N3P+794a2CgdeJ4+RCWa9JzPcrkvm/BZDPsv kbgA== X-Gm-Message-State: APjAAAU1TfDsl0pXTUNt0XaWaZ9PZZ926SQ8os6qP1X2nRcqLayj0sh4 AZM6SKeWn2NMtlUGAyUpKBqHN0IybE1CQA== X-Google-Smtp-Source: APXvYqyTq9gsZw9yuZnztcHVO2rMiDbn1QfkVSrpjstVWs9PZRh2dzpCkHJGOA+hd3G1d/CI1DKSlg== X-Received: by 2002:a6b:5103:: with SMTP id f3mr17328919iob.142.1561824727855; Sat, 29 Jun 2019 09:12:07 -0700 (PDT) Received: from x1.thefacebook.com ([65.144.74.34]) by smtp.gmail.com with ESMTPSA id o5sm4743484iob.7.2019.06.29.09.12.06 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sat, 29 Jun 2019 09:12:06 -0700 (PDT) From: Jens Axboe To: linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org Cc: davem@davemloft.net Subject: [PATCHSET 0/2] io_uring: add sendmsg/recvmsg support Date: Sat, 29 Jun 2019 10:12:02 -0600 Message-Id: <20190629161204.27226-1-axboe@kernel.dk> X-Mailer: git-send-email 2.17.1 Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org This adds basic support for sendmsg(2) and recvmsg(2) through io_uring. Similarly to how we handle file IO, we first attempt a non-blocking call, and if that fails with -EAGAIN/-ENONBLOCK, we punt to an async worker. Pretty straightforward, and a test case can be found in the liburing repository. -- Jens Axboe