linux-kernel - Re: [PATCH 1/2] vfs: Add fchmodat4 syscall: fchmodat with flag argument

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Date:	Tue, 21 Jan 2014 08:30:16 +0100
From:	Florian Weimer <fweimer@...hat.com>
To:	Andrew Ayer <agwa@...rewayer.name>,
	Alexander Viro <viro@...iv.linux.org.uk>
CC:	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] vfs: Add fchmodat4 syscall: fchmodat with flag argument

On 01/13/2012 02:53 AM, Andrew Ayer wrote:
> This adds a 4 argument version of fchmodat (fchmodat4) that
> supports a flag argument, as specified by POSIX.  It supports
> the same two flags as fchownat: AT_SYMLINK_NOFOLLOW and AT_EMPTY_PATH.

I don't think it's possible to emulate AT_EMPTY_PATH in user space, so I 
wonder if this could be applied, and if not, why.  Thanks.

-- 
Florian Weimer / Red Hat Product Security Team
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