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Date: Thu, 25 Feb 2010 21:51:38 +0200
From: Jaakko Heinonen <jh@FreeBSD.org>
To: Bruce Evans <brde@optusnet.com.au>
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Cc: svn-src-head@FreeBSD.org, Poul-Henning Kamp <phk@phk.freebsd.dk>,
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Subject: Re: svn commit: r203990 - head/lib/libc/sys
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On 2010-02-18, Jaakko Heinonen wrote:
> > 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 "/".

Here is a patch which attempts to fix mkdir(2), rmdir(2), rename(2) and
unlink(2) errno return value for "/".

	http://people.freebsd.org/~jh/patches/lookup-root.diff

-- 
Jaakko