From: Kenny Root <kroot@google.com>
To: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
Andrew Ayer <agwa@andrewayer.name>
Subject: Re: [PATCH 0/2 RESEND] POSIX-compliant version of fchmodat with flag argument
Date: Tue, 18 Sep 2012 13:39:38 -0700 [thread overview]
Message-ID: <20120918203853.GA25180@google.com> (raw)
In-Reply-To: <1326419626-22568-1-git-send-email-agwa@andrewayer.name>
On Thu, Jan 12, 2012 at 05:53:44PM -0800, Andrew Ayer wrote:
> Besides the POSIX-compliance, this patch will make it possible to
> ensure, in a race-free way, that you do not follow symlinks when
> chmodding. Previously, you could open a file with O_NOFOLLOW and fchmod
> it, but this only worked if you had read or write permissions on the
> file. Now you can open the file with O_PATH|O_NOFOLLOW and do fchmodat
> with AT_EMPTY_PATH.
Alexander, this patch solves a particular problem in a useful way. I
find it useful and I would be happy to see it included in mainline.
Thanks,
Kenny
prev parent reply other threads:[~2012-09-18 20:39 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-13 1:53 [PATCH 0/2 RESEND] POSIX-compliant version of fchmodat with flag argument Andrew Ayer
2012-01-13 1:53 ` [PATCH 1/2] vfs: Add fchmodat4 syscall: " Andrew Ayer
2014-01-21 7:30 ` Florian Weimer
2014-01-21 18:57 ` Andrew Ayer
2014-01-21 18:58 ` [PATCH] vfs: Add version of " Andrew Ayer
2012-01-13 1:53 ` [PATCH 2/2] x86: Hook up new fchmodat4 syscall Andrew Ayer
2012-09-18 20:39 ` Kenny Root [this message]
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