Return-Path: linux-nfs-owner@vger.kernel.org Received: from mail-we0-f173.google.com ([74.125.82.173]:50119 "EHLO mail-we0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754424Ab3JCOiX (ORCPT ); Thu, 3 Oct 2013 10:38:23 -0400 Received: by mail-we0-f173.google.com with SMTP id u57so1642573wes.4 for ; Thu, 03 Oct 2013 07:38:22 -0700 (PDT) Message-ID: <524D815A.1070906@primarydata.com> Date: Thu, 03 Oct 2013 17:38:18 +0300 From: Benny Halevy MIME-Version: 1.0 To: Ric Wheeler CC: Christoph Hellwig , "J. Bruce Fields" , linux-nfs@vger.kernel.org, Steven Whitehouse , Bob Peterson , Abhijith Das , Andrew Price , Paul Evans Subject: Re: [PATCH RFC v0 05/49] pnfsd: introduce pnfsd header files References: <20131001203047.GH16245@pad.fieldses.org> <524C0556.9070705@primarydata.com> <20131002160759.GB27988@infradead.org> <524D0873.40602@primarydata.com> <20131003095511.GA30147@infradead.org> <524D6312.7020709@primarydata.com> <524D6D38.1040506@redhat.com> <20131003131750.GA23408@infradead.org> <524D6EB9.3040309@redhat.com> <524D7CF3.6020306@primarydata.com> <20131003142127.GA16716@infradead.org> <524D7E13.1010905@redhat.com> In-Reply-To: <524D7E13.1010905@redhat.com> Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-nfs-owner@vger.kernel.org List-ID: On 2013-10-03 17:24, Ric Wheeler wrote: > On 10/03/2013 10:21 AM, Christoph Hellwig wrote: >> On Thu, Oct 03, 2013 at 05:19:31PM +0300, Benny Halevy wrote: >>> The question is what is the minimum value for submitting upstream... >>> >>> The thing pnfs over dlm/gfs2 is missing mostly is supporting read/write layout. >>> One could use them load balancing, e.g. by either redirecting to a node >>> holding an exclusive lock on the file, if there is one, or dlm_ino_hash in its absence. >> One could do a lot of things, especially given infinite time. But what >> does the current code buy us? We need data on that to justify merging >> such a large chunk of code. >> > > I think that we can help figure out how to get something reasonably useful ready > for upstream, just need to get some people spun up to help test out some of > these ideas... That would be very helpful. Much appreciated! Benny > > ric > > -- > To unsubscribe from this list: send the line "unsubscribe linux-nfs" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html >