linux-kernel - Re: [PATCH] ACL supports to mqueue

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Message-ID: <CAH-7YMmAM8e051PopL92WhqSvqz23_eWKjfZbuaLZ4_UhGR5jw@mail.gmail.com>
Date:	Tue, 25 Oct 2011 18:40:11 +0800
From:	Zhou Peng <ailvpeng25@...il.com>
To:	James Morris <jmorris@...ei.org>
Cc:	Casey Schaufler <casey@...aufler-ca.com>,
	Christoph Hellwig <hch@...radead.org>,
	linux-security-module@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>,
	security@...nel.org
Subject: Re: [PATCH] ACL supports to mqueue

Hi, how about this patch pls?

On Fri, Oct 21, 2011 at 6:46 PM, Zhou Peng <ailvpeng25@...il.com> wrote:
> * In general, it can give a more fine grained and flexible DAC to msg queue obj.
> * NFSARK(A distro) wants all posix ipc objects to support ACL, including mqueue.
> * Posix semphore and shmem both support ACL, but mqueue as one of the
> three basic ipc doesn't.
> * At least, it may save one note sentence for MQ_OVERVIEW(7)   ^_^
>    "Linux does not currently (2.6.26) support the use of access
> control lists (ACLs) for POSIX message queues."
>    http://www.kernel.org/doc/man-pages/online/pages/man7/mq_overview.7.html
>
> On Thu, Oct 20, 2011 at 11:33 PM, James Morris <jmorris@...ei.org> wrote:
> > On Thu, 20 Oct 2011, Zhou Peng wrote:
> >
> >> This patch adds ACL supports to mqueue filesystem.
> >> Based on Linux 3.0.4.
> >
> > Why is this necessary, and who is planning to use it?
> >
> > Are any distros likely to enable this?
> >
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