Received: by 2002:a25:868d:0:0:0:0:0 with SMTP id z13csp1438375ybk; Thu, 21 May 2020 06:57:56 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzuU+lVCr8ZiAjvOt/JyGlgccCYwWlJdO3BLiXY+BDrgPWgVjkBugu7hCAWfKsi6vQScnC+ X-Received: by 2002:a17:906:9714:: with SMTP id k20mr3816711ejx.18.1590069476137; Thu, 21 May 2020 06:57:56 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1590069476; cv=none; d=google.com; s=arc-20160816; b=QoMCl9u0cSU8Kbzh3oejHzROR/X8+l8fD8cfWQk3WisL30plRHa9AubcJIHRUTOzRK u6430PyzpjoaNM9qjwRV/owm8KJRoFNxujC6XM4DzEhzAd/irFt4HkV6shbZzX/6oOXn 0hsqa8Q7owRF1cQOt+eYlIQ4+Ib6YpdCbPeBUlLFMta/kFzfz81mVgfnqfskCIdXReJS 3XBoN6XwPZcEFQHb6NQKJV8NxbxcxfoTNCPB/kZKf0JbOJP9tfG7nn6062D8Hn5aH6+Q /r2yxVtgw+UPt0xJ/gKUyEqnMFBN+NIEOxnlUh0iPSZCkPEQHRuY9VRh3oozDE0MDbBQ IoyQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=NNNkDXBHXgX05dZcLdhkkhNPMXBSm0k4U8C2pXDdU7A=; b=o5yms/9zUHuOx0pBdbZIePYTmBd5i5TfbSYaBvs8rGuxQ8o4oB5z0qWcKjqKYILPwp pbvwmo8Q/KpCjto/2DyRp39RyDK7vCjXsj0uR5VmyvCqRS4jLQWDXzEwrjEZPHSVdLI5 K8z26eC52EasJhZMLxgaHlEbgnystEYf1RUwTPfj7apydFtk1yQqNzX90btwTfrF09tt KEyxQvfiOvS6dPgfCfbspkCtvkYgsJXpcMO0iAzweLCCUKJwvaG9UQ4W2wRtEAxuGK4l c4vxJpQFknQDDVw448tvwk77LmD2qOy+wkaavKO832x3IC9CRgRTTuHjgGFKtEoM6z0B 2ySg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-nfs-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-nfs-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id y8si3390896ejf.120.2020.05.21.06.57.32; Thu, 21 May 2020 06:57:56 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-nfs-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-nfs-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-nfs-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729597AbgEUN52 (ORCPT + 99 others); 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: linux-nfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-nfs@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).