linux-kernel - Re: [NFS] What's slated for inclusion in 2.6.24-rc1 from the NFS client git tree...

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Date:	Thu, 04 Oct 2007 20:58:47 -0400
From:	Trond Myklebust <trond.myklebust@....uio.no>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	drzeus-list@...eus.cx, staubach@...hat.com, nfsv4@...ux-nfs.org,
	nfs@...ts.sourceforge.net, linux-kernel@...r.kernel.org
Subject: Re: [NFS] What's slated for inclusion in 2.6.24-rc1 from the NFS
	client git tree...

On Thu, 2007-10-04 at 12:59 -0700, Andrew Morton wrote:
> On Thu, 04 Oct 2007 15:16:03 -0400
> Trond Myklebust <trond.myklebust@....uio.no> wrote:
> 
> > > > 
> > > > That would be perfect. It can even be in non-legacy mode by default,
> > > > just as long as you can go back to the old behaviour when/if you run
> > > > into a non-LFS application.
> > > > 
> > > 
> > > Wouldn't a mount option be better?
> > 
> > I suppose that might be OK if you know that the 32-bit legacy
> > applications will only touch one or two servers, but that sounds like a
> > niche thing.
> > 
> > On the downside, forcing all those people who have portable 64-bit aware
> > applications to upgrade their version of mount just in order to have
> > stat64() work correctly seems unnecessarily complicated. I'd prefer not
> > to have to do that unless someone comes up with a good reason why we
> > must.
> 
> Confused.  You don't need to modify mount(8) when adding a new mount option?

Prior to 2.6.22, the 'mount' program used a binary blob for passing the
NFS mount options to the kernel.
It is only very recently that we have started doing in-kernel parsing of
text strings, and in order to make use of that, people will need to
upgrade to the latest version of nfs-utils.

Trond

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