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=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 7B5CAC433E0 for ; Thu, 21 May 2020 13:57:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 60053206F6 for ; Thu, 21 May 2020 13:57:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729631AbgEUN52 (ORCPT ); Thu, 21 May 2020 09:57:28 -0400 Received: from verein.lst.de ([213.95.11.211]:54753 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728060AbgEUN52 (ORCPT ); Thu, 21 May 2020 09:57:28 -0400 Received: by verein.lst.de (Postfix, from userid 2407) id 955B468BEB; Thu, 21 May 2020 15:57:23 +0200 (CEST) Date: Thu, 21 May 2020 15:57:23 +0200 From: Christoph Hellwig To: Marcelo Ricardo Leitner Cc: Christoph Hellwig , David Miller , kuba@kernel.org, edumazet@google.com, kuznet@ms2.inr.ac.ru, yoshfuji@linux-ipv6.org, vyasevich@gmail.com, nhorman@tuxdriver.com, jmaloy@redhat.com, ying.xue@windriver.com, drbd-dev@lists.linbit.com, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, linux-nvme@lists.infradead.org, target-devel@vger.kernel.org, linux-afs@lists.infradead.org, linux-cifs@vger.kernel.org, cluster-devel@redhat.com, ocfs2-devel@oss.oracle.com, netdev@vger.kernel.org, linux-sctp@vger.kernel.org, ceph-devel@vger.kernel.org, rds-devel@oss.oracle.com, linux-nfs@vger.kernel.org Subject: Re: [PATCH 31/33] sctp: add sctp_sock_set_nodelay Message-ID: <20200521135723.GA12368@lst.de> References: <20200520195509.2215098-1-hch@lst.de> <20200520195509.2215098-32-hch@lst.de> <20200520231001.GU2491@localhost.localdomain> <20200520.162355.2212209708127373208.davem@davemloft.net> <20200520233913.GV2491@localhost.localdomain> <20200521083442.GA7771@lst.de> <20200521133348.GX2491@localhost.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200521133348.GX2491@localhost.localdomain> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Thu, May 21, 2020 at 10:33:48AM -0300, Marcelo Ricardo Leitner wrote: > With the patch there are now two ways of enabling nodelay. There is exactly one way to do for user applications, and one way for kernel drivers. (actually they could just set the field directly, which no one does for sctp, but for ipv4 a few do just that).