From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dmitry Torokhov Subject: Re: GFS, what's remaining Date: Mon, 5 Sep 2005 21:03:19 -0500 Message-ID: <200509052103.20519.dtor_core@ameritech.net> References: <20050901104620.GA22482@redhat.com> <200509051118.45792.dtor_core@ameritech.net> <200509052057.23807.phillips@istop.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Cc: linux-kernel@vger.kernel.org, Lars Marowsky-Bree , Andi Kleen , linux clustering , akpm@osdl.org, linux-fsdevel@vger.kernel.org Return-path: To: Daniel Phillips In-Reply-To: <200509052057.23807.phillips@istop.com> Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org 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 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