linux-kernel - Re: [PATCH] open(2): document O

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Message-ID: <CAKgNAkjFpA_sm1jxt8ZTWk=y1_ViB5nepha+KeEEtuGAx6LJhQ@mail.gmail.com>
Date:	Thu, 3 May 2012 18:48:45 +1200
From:	"Michael Kerrisk (man-pages)" <mtk.manpages@...il.com>
To:	"Ted Ts'o" <tytso@....edu>,
	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>,
	"Michael Kerrisk (man-pages)" <mtk.manpages@...il.com>,
	Mike Frysinger <vapier@...too.org>, linux-man@...r.kernel.org,
	viro@...iv.linux.org.uk, Richard Weinberger <richard@....at>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] open(2): document O_PATH

Ted,

On Mon, Apr 30, 2012 at 11:44 PM, Ted Ts'o <tytso@....edu> wrote:
> It might also be a good idea to document explicitly whether or not
> things like fstat() and the syscalls to manipulate extended attributes
> are expected to work.

Good point. From some testing, it appears that syscalls such as
fstat() and fgetxattr() fail with EBADF on O_PATH fds. I'll add that
to the text.

Thanks,

Michael


-- 
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Author of "The Linux Programming Interface"; http://man7.org/tlpi/
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