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Date: Sun, 7 Mar 2010 12:54:57 +0200
From: Jaakko Heinonen <jh@FreeBSD.org>
To: Garrett Cooper <yanefbsd@gmail.com>
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Cc: freebsd-hackers@freebsd.org, Poul-Henning Kamp <phk@phk.freebsd.dk>,
	Bruce Evans <brde@optusnet.com.au>, Alexander Best <alexbestms@wwu.de>
Subject: Re: namei() returns EISDIR for "/" (Re: svn commit: r203990 -
 head/lib/libc/sys)
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On 2010-03-06, Garrett Cooper wrote:
> >
> >        http://people.freebsd.org/~jh/patches/lookup-root.2.diff
> 
> 1. EBUSY's new definition doesn't look correct for rename(2) given
> POSIX's definition (
> http://www.opengroup.org/onlinepubs/009695399/functions/rename.html ):
> 
> [EBUSY]
>     [CX] [Option Start] The directory named by old or new is currently
> in use by the system or another process, and the implementation
> considers this an error. [Option End]

Well, I don't think that it conflicts with POSIX. The root directory is
in use by the system and it's not allowed to be renamed.

> 2. I also did some quick snooping around and all filesystems that
> support symlinks that FreeBSD has, sans ZFS [*], seem to support
> EMLINK. Should we add this to the documentation?

Probably, but it's not related to the changes made by the patch.

-- 
Jaakko