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From: "J. Bruce Fields" <bfields@fieldses.org>
To: Jeff Layton <jlayton@redhat.com>
Cc: Kevin Coffman <kwc@umich.edu>,
	linux-nfs@vger.kernel.org, nfsv4@linux-nfs.org
Subject: Re: possible module refcount leak with auth_gss
Date: Wed, 10 Dec 2008 11:31:36 -0500	[thread overview]
Message-ID: <20081210163136.GB28263@fieldses.org> (raw)
In-Reply-To: <20081210112506.2b2d2c3a@tleilax.poochiereds.net>

On Wed, Dec 10, 2008 at 11:25:06AM -0500, Jeff Layton wrote:
> It works. With a nfs-utils that has your patches to properly set the
> cache timeouts it looks like this problem is generally fixed. The module
> refcounts go back to normal once the tickets expire.
> 
> That said, I think we should have a look at Bruce's suggestion for changing
> the way that the module refcounts are actually handled. It would seem to
> make more sense to hold the reference based on the exports using that auth
> scheme, and to purge the caches on module unload.
> 
> Not a huge deal, but probably something we should consider.

Yeah.  Since I don't care enough about module unloading, I'm not going
to work on this now.  But it's unfortunate.

I'm a little more worried about why the RPC_GSS_PROC_DESTROY requests
aren't working.

--b.

  reply	other threads:[~2008-12-10 16:31 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-12-08 15:28 possible module refcount leak with auth_gss Jeff Layton
     [not found] ` <20081208102855.30081708-RtJpwOs3+0O+kQycOl6kW4xkIHaj4LzF@public.gmane.org>
2008-12-08 17:37   ` J. Bruce Fields
2008-12-09 20:38     ` Jeff Layton
     [not found]       ` <20081209153849.6605559a-RtJpwOs3+0O+kQycOl6kW4xkIHaj4LzF@public.gmane.org>
2008-12-09 23:21         ` Kevin Coffman
     [not found]           ` <4d569c330812091521s6b9405faq910cb94f067f3b-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-12-10 16:25             ` Jeff Layton
2008-12-10 16:31               ` J. Bruce Fields [this message]
2008-12-16 21:45                 ` Jeff Layton
     [not found]                   ` <20081216164532.22cab9d6-RtJpwOs3+0O+kQycOl6kW4xkIHaj4LzF@public.gmane.org>
2008-12-17  2:40                     ` Jeff Layton
2008-12-17 19:20                       ` J. Bruce Fields
2008-12-17 19:34                         ` Jeff Layton
     [not found]                           ` <20081217143458.080aa9be-RtJpwOs3+0O+kQycOl6kW4xkIHaj4LzF@public.gmane.org>
2008-12-17 19:41                             ` J. Bruce Fields
2008-12-17 19:54                               ` Trond Myklebust
2008-12-17 20:07                                 ` J. Bruce Fields
2008-12-17 20:09                                   ` J. Bruce Fields
2008-12-17 20:10                                   ` Trond Myklebust
2008-12-17 19:38                         ` Trond Myklebust

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