From: Dmitry Torokhov <dtor_core@ameritech.net>
To: Daniel Phillips <phillips@istop.com>
Subject: Re: GFS, what's remaining
Date: Mon, 5 Sep 2005 21:03:19 -0500
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Cc: linux-kernel@vger.kernel.org, Lars Marowsky-Bree <lmb@suse.de>,
       Andi Kleen <ak@suse.de>, linux clustering <linux-cluster@redhat.com>,
       akpm@osdl.org, linux-fsdevel@vger.kernel.org
References: <20050901104620.GA22482@redhat.com> <200509051118.45792.dtor_core@ameritech.net> <200509052057.23807.phillips@istop.com>
In-Reply-To: <200509052057.23807.phillips@istop.com>
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On Monday 05 September 2005 19:57, Daniel Phillips wrote:
> On Monday 05 September 2005 12:18, Dmitry Torokhov wrote:
> > On Monday 05 September 2005 10:49, Daniel Phillips wrote:
> > > On Monday 05 September 2005 10:14, Lars Marowsky-Bree wrote:
> > > > On 2005-09-03T01:57:31, Daniel Phillips <phillips@istop.com> wrote:
> > > > > The only current users of dlms are cluster filesystems.  There are
> > > > > zero users of the userspace dlm api.
> > > >
> > > > That is incorrect...
> > >
> > > Application users Lars, sorry if I did not make that clear.  The issue is
> > > whether we need to export an all-singing-all-dancing dlm api from kernel
> > > to userspace today, or whether we can afford to take the necessary time
> > > to get it right while application writers take their time to have a good
> > > think about whether they even need it.
> >
> > If Linux fully supported OpenVMS DLM semantics we could start thinking
> > asbout moving our application onto a Linux box because our alpha server is
> > aging.
> >
> > That's just my user application writer $0.02.
> 
> What stops you from trying it with the patch?  That kind of feedback would be 
> worth way more than $0.02.
>

We do not have such plans at the moment and I prefer spending my free
time on tinkering with kernel, not rewriting some in-house application.
Besides, DLM is not the only thing that does not have a drop-in
replacement in Linux.

You just said you did not know if there are any potential users for the
full DLM and I said there are some.

-- 
Dmitry
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