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From: Trond Myklebust <trond.myklebust@fys.uio.no>
To: "J. Bruce Fields" <bfields@fieldses.org>
Cc: Benny Halevy <bhalevy@panasas.com>,
	Olga Kornievskaia <aglo@citi.umich.edu>,
	linux-nfs@vger.kernel.org, pnfs mailing list <pnfs@linux-nfs.org>,
	Trond Myklebust <trond@netapp.com>
Subject: Re: [pnfs] [PATCH] nfsd: use nfs client rpc callback program
Date: Wed, 24 Sep 2008 14:42:25 -0400	[thread overview]
Message-ID: <1222281745.7390.34.camel@localhost> (raw)
In-Reply-To: <20080924174230.GJ5772@fieldses.org>

On Wed, 2008-09-24 at 13:42 -0400, J. Bruce Fields wrote:

> If by "broken" you mean, "introduces a new kernel bug", I don't see it.

I mean it introduces utterly unnecessary complications that may return
to bite us in the arse at a future time.
Remember how we once said that it would never make sense for child
clones to call the portmapper, and so we added the BUG_ON() in
rpcb_getport_async; well guess what, we currently have a bug to fix...

One pretty obvious fix is to simply move the release method so that it
doesn't occur when you release a child. The disadvantage is that a child
may then not change its program to one that requires a release method
(do we need that?).

Another fix would be to add a refcount to the rpc_program structure...

Trond


  reply	other threads:[~2008-09-24 18:42 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-09-17 19:43 [PATCH] nfsd: use nfs client rpc callback program Benny Halevy
2008-09-17 23:10 ` J. Bruce Fields
2008-09-17 23:34   ` Benny Halevy
2008-09-18  0:10     ` [pnfs] " Benny Halevy
2008-09-18 19:24       ` Benny Halevy
2008-09-18 19:43         ` Peter Staubach
2008-09-18 20:05           ` Benny Halevy
2008-09-18 21:36             ` Benny Halevy
2008-09-24 16:35         ` J. Bruce Fields
2008-09-24 16:59           ` Trond Myklebust
2008-09-24 17:21             ` J. Bruce Fields
2008-09-24 17:26               ` Trond Myklebust
2008-09-24 17:42                 ` J. Bruce Fields
2008-09-24 18:42                   ` Trond Myklebust [this message]
2008-09-24 18:49                     ` J. Bruce Fields
2008-09-25 19:30                       ` Benny Halevy
2008-09-25 20:00                         ` J. Bruce Fields
2008-09-25 20:27                           ` Trond Myklebust
2008-09-25 20:41                             ` J. Bruce Fields
2008-09-26 11:52                               ` Benny Halevy
2008-09-27  3:34                                 ` J. Bruce Fields
2008-09-28  6:21                                   ` [PATCH v4] " Benny Halevy
2008-09-29 19:21                                     ` J. Bruce Fields
2008-09-25 20:08                         ` [pnfs] [PATCH] " Trond Myklebust
2008-09-25 20:38                           ` J. Bruce Fields
2008-09-19 19:51     ` Olga Kornievskaia
2008-09-19 21:15       ` Benny Halevy

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