From owner-svn-src-head@FreeBSD.ORG  Thu Feb 18 09:55:46 2010
Return-Path: <owner-svn-src-head@FreeBSD.ORG>
Delivered-To: svn-src-head@FreeBSD.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 9EEA2106566C;
	Thu, 18 Feb 2010 09:55:46 +0000 (UTC) (envelope-from jh@FreeBSD.org)
Received: from gw03.mail.saunalahti.fi (gw03.mail.saunalahti.fi
	[195.197.172.111])
	by mx1.freebsd.org (Postfix) with ESMTP id 5BC508FC15;
	Thu, 18 Feb 2010 09:55:46 +0000 (UTC)
Received: from a91-153-117-195.elisa-laajakaista.fi
	(a91-153-117-195.elisa-laajakaista.fi [91.153.117.195])
	by gw03.mail.saunalahti.fi (Postfix) with SMTP id 9EC2A2167C8;
	Thu, 18 Feb 2010 11:55:39 +0200 (EET)
Date: Thu, 18 Feb 2010 11:55:39 +0200
From: Jaakko Heinonen <jh@FreeBSD.org>
To: Bruce Evans <brde@optusnet.com.au>
Message-ID: <20100218095538.GA2318@a91-153-117-195.elisa-laajakaista.fi>
References: <6413.1266433105@critter.freebsd.dk>
	<20100218064545.J2074@besplex.bde.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20100218064545.J2074@besplex.bde.org>
User-Agent: Mutt/1.5.20 (2009-06-14)
Cc: svn-src-head@FreeBSD.org, Poul-Henning Kamp <phk@phk.freebsd.dk>,
	src-committers@FreeBSD.org, svn-src-all@FreeBSD.org
Subject: Re: svn commit: r203990 - head/lib/libc/sys
X-BeenThere: svn-src-head@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: SVN commit messages for the src tree for head/-current
	<svn-src-head.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-head>,
	<mailto:svn-src-head-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-head>
List-Post: <mailto:svn-src-head@freebsd.org>
List-Help: <mailto:svn-src-head-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-head>,
	<mailto:svn-src-head-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 18 Feb 2010 09:55:46 -0000

On 2010-02-18, Bruce Evans wrote:
> > critter phk> ./a.out
> > a.out: Told you so: Is a directory
> 
> Better fix the kernel bug than break the documentation then.

Seconded.

> namei() returns EISDIR for "/" (due to DELETE and and the special handling
> of the degenerate case which includes "/" and not much else, else the bug
> would affect more cases).

This causes a problem also for mkdir(2), rmdir(2) and rename(2). All of
them incorrectly return EISDIR for "/".

An open PR and some discussion:

http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/59739
http://lists.freebsd.org/pipermail/freebsd-hackers/2009-November/029958.html

-- 
Jaakko