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From: Jon Smirl <jonsmirl@gmail.com>
To: Daniel Phillips <phillips@istop.com>
Cc: Joel Becker <Joel.Becker@oracle.com>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Permissions don't stick on ConfigFS attributes
Date: Fri, 19 Aug 2005 21:22:30 -0400	[thread overview]
Message-ID: <9e473391050819182249e67dea@mail.gmail.com> (raw)
In-Reply-To: <200508201050.51982.phillips@istop.com>

On 8/19/05, Daniel Phillips <phillips@istop.com> wrote:
> Hi Joel,
> 
> Permissions set on ConfigFS attributes (aka files) do not stick.  The reason
> is that configfs attribute inodes are not pinned and simply disappear after
> each file operation.  This is good because it saves memory, but it is not
> good to throw the permissions away - you then don't have any way to expose
> configuration tweaks to normal users.  The patch below fixes this by copying
> each file's mode back into the non-transient backing structure on dentry
> delete.

A patch for making sysfs attributes persistent has recently made it
into Linus' tree.

http://article.gmane.org/gmane.linux.hotplug.devel/7927/match=sysfs+permissions

-- 
Jon Smirl
jonsmirl@gmail.com

  reply	other threads:[~2005-08-20  1:22 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-08-20  0:50 [PATCH] Permissions don't stick on ConfigFS attributes Daniel Phillips
2005-08-20  1:22 ` Jon Smirl [this message]
2005-08-20  6:21   ` Daniel Phillips
2005-08-20  3:01 ` Greg KH
2005-08-20  3:23   ` Daniel Phillips
2005-08-20  3:33     ` Greg KH
2005-08-20  5:41       ` Daniel Phillips
2005-08-20  6:31   ` Joel Becker
2005-08-20  7:35     ` Daniel Phillips
2005-08-20 21:09   ` [PATCH] Permissions don't stick on ConfigFS attributes (revised) Daniel Phillips
2005-08-22  4:49   ` [PATCH] Permissions don't stick on ConfigFS attributes Eric W. Biederman
2005-08-22 19:44     ` Daniel Phillips

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