From: Daniel Phillips <phillips@istop.com>
To: Joel Becker <Joel.Becker@oracle.com>
Cc: linux-kernel@vger.kernel.org, Andrew Morton <akpm@osdl.org>,
Greg KH <greg@kroah.com>
Subject: Re: [RFC][PATCH 1 of 4] Configfs is really sysfs
Date: Wed, 31 Aug 2005 09:25:22 +1000 [thread overview]
Message-ID: <200508310925.22567.phillips@istop.com> (raw)
In-Reply-To: <20050830231307.GE22068@insight.us.oracle.com>
On Wednesday 31 August 2005 09:13, Joel Becker wrote:
> On Wed, Aug 31, 2005 at 08:54:39AM +1000, Daniel Phillips wrote:
> > But it would be stupid to forbid users from creating directories in sysfs
> > or to forbid kernel modules from directly tweaking a configfs namespace.
> > Why should the kernel not be able to add objects to a directory a user
> > created? It should be up to the module author to decide these things.
>
> This is precisely why configfs is separate from sysfs. If both
> user and kernel can create objects, the lifetime of the object and its
> filesystem representation is very complex. Sysfs already has problems
> with people getting this wrong. configfs does not.
Could you please give a specific case?
> The fact that sysfs and configfs have similar backing stores
> does not make them the same thing.
It is not just the backing store, it is most of the code, all the structures,
most of the functionality, a good deal of the bugs...
Regards,
Daniel
next prev parent reply other threads:[~2005-08-30 23:25 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-08-30 22:54 [RFC][PATCH 1 of 4] Configfs is really sysfs Daniel Phillips
2005-08-30 22:57 ` [RFC][PATCH 2 " Daniel Phillips
2005-08-30 22:59 ` [RFC][PATCH 3 " Daniel Phillips
2005-08-30 23:03 ` [RFC][PATCH 4 " Daniel Phillips
2005-08-30 23:30 ` Daniel Phillips
2005-08-30 23:06 ` [RFC][PATCH 3 " Stephen Hemminger
2005-08-30 23:18 ` Daniel Phillips
2005-08-30 23:10 ` Daniel Phillips
2005-08-30 23:22 ` [RFC][PATCH 2 " Daniel Phillips
2005-08-30 23:13 ` [RFC][PATCH 1 " Joel Becker
2005-08-30 23:25 ` Daniel Phillips [this message]
2005-08-30 23:35 ` Daniel Phillips
2005-08-30 23:28 ` Andrew Morton
2005-08-30 23:34 ` viro
2005-08-30 23:51 ` Daniel Phillips
2005-08-30 23:37 ` Daniel Phillips
2005-08-31 0:03 ` Joel Becker
2005-09-04 3:53 ` Joel Becker
2005-09-04 4:12 ` Joel Becker
2005-09-04 4:41 ` Joel Becker
2005-09-04 4:54 ` Joel Becker
2005-09-07 20:31 ` Greg KH
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