Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751440AbZIOEiV (ORCPT ); Tue, 15 Sep 2009 00:38:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751274AbZIOEiR (ORCPT ); Tue, 15 Sep 2009 00:38:17 -0400 Received: from rcsinet12.oracle.com ([148.87.113.124]:40803 "EHLO rgminet12.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751272AbZIOEiQ (ORCPT ); Tue, 15 Sep 2009 00:38:16 -0400 Date: Mon, 14 Sep 2009 21:35:23 -0700 From: Joel Becker To: Arjan van de Ven Cc: Linus Torvalds , Mark Fasheh , Andrew Morton , Linux Kernel Mailing List , ocfs2-devel@oss.oracle.com Subject: Re: [GIT PULL] ocfs2 changes for 2.6.32 Message-ID: <20090915043523.GF4507@mail.oracle.com> Mail-Followup-To: Arjan van de Ven , Linus Torvalds , Mark Fasheh , Andrew Morton , Linux Kernel Mailing List , ocfs2-devel@oss.oracle.com References: <20090911200458.GA15416@mail.oracle.com> <20090914221434.GA4507@mail.oracle.com> <20090915000417.GC4507@mail.oracle.com> <20090915005417.GD4507@mail.oracle.com> <20090915060559.5b0a2574@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20090915060559.5b0a2574@infradead.org> X-Burt-Line: Trees are cool. X-Red-Smith: Ninety feet between bases is perhaps as close as man has ever come to perfection. User-Agent: Mutt/1.5.20 (2009-06-14) X-Source-IP: acsmt355.oracle.com [141.146.40.155] X-Auth-Type: Internal IP X-CT-RefId: str=0001.0A090206.4AAF1A27.002F:SCFMA4539814,ss=1,fgs=0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 807 Lines: 26 On Tue, Sep 15, 2009 at 06:05:59AM +0200, Arjan van de Ven wrote: > COW filesystems like btrfs may also be able to do interesting things > with copyfile() btw by just sharing all data blocks COW. > > That would make copyfile() useful for me, much more so than the network > filesystem side... btrfs reflink is definitely in the cards. Joel -- "The first thing we do, let's kill all the lawyers." -Henry VI, IV:ii Joel Becker Principal Software Developer Oracle E-mail: joel.becker@oracle.com Phone: (650) 506-8127 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/