linux-kernel - Re: [patch 2/4] Configure out file locking features

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Message-ID: <20080804194239.GN25940@fieldses.org>
Date:	Mon, 4 Aug 2008 15:42:39 -0400
From:	"J. Bruce Fields" <bfields@...ldses.org>
To:	Matt Mackall <mpm@...enic.com>
Cc:	Tim Bird <tim.bird@...sony.com>,
	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
	linux-kernel@...r.kernel.org, linux-embedded@...r.kernel.org,
	michael@...e-electrons.com, matthew@....cx,
	linux-fsdevel@...r.kernel.org, akpm@...ux-foundation.org
Subject: Re: [patch 2/4] Configure out file locking features

On Mon, Aug 04, 2008 at 01:54:01PM -0500, Matt Mackall wrote:
> 
> On Mon, 2008-08-04 at 14:25 -0400, J. Bruce Fields wrote:
> > On Mon, Aug 04, 2008 at 11:24:51AM -0700, Tim Bird wrote:
> > > J. Bruce Fields wrote:
> > > > On Mon, Aug 04, 2008 at 03:52:37PM +0200, Thomas Petazzoni wrote:
> > > >> Le Sat, 2 Aug 2008 12:38:48 -0400,
> > > >> "J. Bruce Fields" <bfields@...ldses.org> a écrit :
> > > >>
> > > >>> Out of curiosity, why does the nfs client need disabling, but not
> > > >>> nfsd, gfs2, fuse, etc.?
> > > >> Then also need disabling.
> > > > 
> > > > OK by me, but again, why exactly?  Since you're replacing the locking
> > > > calls they used by stubs that just return errors, in theory nfs, nfsd,
> > > > gfs2, and the rest should still compile and run, just without locking
> > > > support, right?
> > > 
> > > I think so, but haven't tested this myself.
> > > 
> > > However, I would still be inclined to NOT add the extra config
> > > dependencies.  Just my 2 cents.
> > 
> > OK.  My fear was that there was some good reason that the nfs dependency
> > was added in the first place, and that it's since been lost....
> 
> I vaguely remember there was some compile issue here, but that would
> have been back in the 2.6.10 era.

Sounds plausible.  I've got no objection to the patch either way, but if
we could at least just add a comment documenting the issue (if it
exists), that might be helpful.

--b.
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