From: Andreas Dilger Subject: Re: [Ocfs2-devel] Add FIEMAP_EXTENT_SHARED flag Date: Fri, 18 Dec 2009 14:24:09 -0700 Message-ID: <2D18A332-D252-455A-B0DC-BFC1E2E4C8A2@sun.com> References: <1259873212-20107-1-git-send-email-sunil.mushran@oracle.com> <20091218051040.GB20149@mail.oracle.com> Mime-Version: 1.0 Content-Type: text/plain; CHARSET=US-ASCII; delsp=yes; format=flowed Content-Transfer-Encoding: 7BIT Cc: Sunil Mushran , linux-fsdevel , ocfs2-devel@oss.oracle.com, ext4 development To: Joel Becker Return-path: Received: from sca-es-mail-2.Sun.COM ([192.18.43.133]:62048 "EHLO sca-es-mail-2.sun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932712AbZLRVYT (ORCPT ); Fri, 18 Dec 2009 16:24:19 -0500 In-reply-to: <20091218051040.GB20149@mail.oracle.com> Sender: linux-ext4-owner@vger.kernel.org List-ID: On 2009-12-17, at 22:10, Joel Becker wrote: > On Thu, Dec 03, 2009 at 12:46:50PM -0800, Sunil Mushran wrote: >> Please could you Ack this patch. This adds a new FIEMAP flag to >> denote >> shared extents which we are using to identify such exents in >> reflinked >> files. > > These patches are now in ocfs2.git. If anyone has any concerns, > let me know. Hi Joel, are there any plans to submit an e2fsprogs patch to print out the "shared" extent flag from "filefrag"? At first glance it would also seem to make sense to set this flag for ext2/3/4 xattrs that are sharing an external extent block. Cheers, Andreas -- Andreas Dilger Sr. Staff Engineer, Lustre Group Sun Microsystems of Canada, Inc.