From owner-freebsd-net@freebsd.org Wed Dec 28 18:09:34 2016 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 889FAC95BB5 for ; Wed, 28 Dec 2016 18:09:34 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from mail.baldwin.cx (bigwig.baldwin.cx [96.47.65.170]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 68AAE1B3E for ; Wed, 28 Dec 2016 18:09:34 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from ralph.baldwin.cx (c-73-231-226-104.hsd1.ca.comcast.net [73.231.226.104]) by mail.baldwin.cx (Postfix) with ESMTPSA id 96A0C10A76C for ; Wed, 28 Dec 2016 13:09:32 -0500 (EST) From: John Baldwin To: freebsd-net@freebsd.org Subject: aio_write and PRUS_MORETOCOME Date: Wed, 28 Dec 2016 10:09:27 -0800 Message-ID: <4088181.HpKjA8cOgr@ralph.baldwin.cx> User-Agent: KMail/4.14.10 (FreeBSD/11.0-STABLE; KDE/4.14.10; amd64; ; ) MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.4.3 (mail.baldwin.cx); Wed, 28 Dec 2016 13:09:32 -0500 (EST) X-Virus-Scanned: clamav-milter 0.99.2 at mail.baldwin.cx X-Virus-Status: Clean X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 28 Dec 2016 18:09:34 -0000 For folks who are interested, I have uploaded a patch to phabricator that will set PRUS_MORETOCOME when there are multiple writes queued up to a socket via aio_write(). This mostly matters for TCP. Silly arc wouldn't let me add 'network' to the review, but you can find the revision at https://reviews.freebsd.org/D8955 if you'd like to comment/review. -- John Baldwin