From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ric Wheeler Subject: Re: [Lsf10-pc] [LSF/Filesystems][ATTEND] Date: Tue, 25 May 2010 15:00:36 -0400 Message-ID: <4BFC1E54.2020706@gmail.com> References: <20100517222432.GC22775@mail.oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit To: "Madan, Anshul" , lsf10-pc@lists.linuxfoundation.org, linux-fsdevel@vger.kernel.org, "Lentini, James" , "Myklebust, Trond" Received: from mail-vw0-f46.google.com ([209.85.212.46]:41367 "EHLO mail-vw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758971Ab0EYTCK (ORCPT ); Tue, 25 May 2010 15:02:10 -0400 Received: by vws9 with SMTP id 9so3621894vws.19 for ; Tue, 25 May 2010 12:02:09 -0700 (PDT) In-Reply-To: <20100517222432.GC22775@mail.oracle.com> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: On 05/17/2010 06:24 PM, Joel Becker wrote: > On Mon, May 17, 2010 at 05:23:22PM -0400, Madan, Anshul wrote: > >> Requesting Attendance: >> >> Trond Myklebust, James Lentini and Anshul Madan >> > I (Joel Becker ) would like to request attendance to join in > this conversation. I'm the original proposer of reflink(2). > > >> This topic has been discussed both on Linux development mailing lists >> [1] and at previous LSF summits. Joel Becker originally proposed a >> syscall called reflink() that was specific to copying an inode to a >> copy-on-write snapshot. Since then, the need for a generic copy >> interface that encompassed the reflink semantics as well as less >> restrictive ones has been recognized based on discussion between Linus >> Torvalds and Joel. >> > My last proposal for the copyfile(2) interface is reference [2]. > I think it is a good starting point, but I'm very interested in what the > network filesystem community has to say. NFS's server copy capability > is something I definitely had in mind. > > >> [1] Relevant posts: >> >> http://www.mail-archive.com/ocfs2-devel@oss.oracle.com/msg04347.html >> http://www.mail-archive.com/ocfs2-devel@oss.oracle.com/msg04395.html >> > Joel > I think that this would be an interesting subject as well, especially given the mix of storage & FS people at the event. Ric