From owner-freebsd-arch@FreeBSD.ORG  Fri May 30 03:00:02 2003
Return-Path: <owner-freebsd-arch@FreeBSD.ORG>
Delivered-To: freebsd-arch@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 0DBC037B401
	for <arch@freebsd.org>; Fri, 30 May 2003 03:00:02 -0700 (PDT)
Received: from phoenix.infradead.org (carisma.slowglass.com [195.224.96.167])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 3392B43FB1
	for <arch@freebsd.org>; Fri, 30 May 2003 03:00:01 -0700 (PDT)
	(envelope-from hch@infradead.org)
Received: from hch by phoenix.infradead.org with local (Exim 4.10)
	id 19Lgfz-0001iQ-00; Fri, 30 May 2003 10:59:55 +0100
Date: Fri, 30 May 2003 10:59:55 +0100
From: Christoph Hellwig <hch@infradead.org>
To: Terry Lambert <tlambert2@mindspring.com>
Message-ID: <20030530105955.A6562@infradead.org>
References: <Pine.BSF.4.21.0305301302540.58337-100000@is>
	<3ED72A16.9CACD4C5@mindspring.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
User-Agent: Mutt/1.2.5.1i
In-Reply-To: <3ED72A16.9CACD4C5@mindspring.com>;
	from tlambert2@mindspring.com on Fri, May 30, 2003 at 02:53:26AM -0700
cc: arch@freebsd.org
Subject: Re: sendfile(2) SF_NOPUSH flag proposal
X-BeenThere: freebsd-arch@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: Discussion related to FreeBSD architecture
	<freebsd-arch.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-arch>,
	<mailto:freebsd-arch-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-arch>
List-Post: <mailto:freebsd-arch@freebsd.org>
List-Help: <mailto:freebsd-arch-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-arch>,
	<mailto:freebsd-arch-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Fri, 30 May 2003 10:00:02 -0000

On Fri, May 30, 2003 at 02:53:26AM -0700, Terry Lambert wrote:
> This illustrates my thesis that interfaces with the same names
> tend to converge over time.  Another example is select(), which
> Linux initially implemented as updating the timeout struct with
> the time which had elapsed; this was divergents, and broke a
> lot of code, until they relented and fixed it to defacto standard

It hasn't changed.  And trying to change it broke perfectly working
code.