From: Greg Freemyer Subject: Re: Simple inode question (ext2/3) Date: Wed, 25 Feb 2009 09:10:02 -0500 Message-ID: <87f94c370902250610u3f5929b1i9e56000e7bcdb44a@mail.gmail.com> References: <20090224210515.GA7064@mit.edu> <20090225040654.GT3199@webber.adilger.int> <417E5333-32B8-42AA-A498-011DF1DDB074@doc.ic.ac.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: Andreas Dilger , linux-ext4@vger.kernel.org To: Felipe Franciosi Return-path: Received: from qw-out-2122.google.com ([74.125.92.25]:21774 "EHLO qw-out-2122.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753152AbZBYOKF (ORCPT ); Wed, 25 Feb 2009 09:10:05 -0500 Received: by qw-out-2122.google.com with SMTP id 5so60357qwi.37 for ; Wed, 25 Feb 2009 06:10:02 -0800 (PST) In-Reply-To: <417E5333-32B8-42AA-A498-011DF1DDB074@doc.ic.ac.uk> Sender: linux-ext4-owner@vger.kernel.org List-ID: On Wed, Feb 25, 2009 at 5:59 AM, Felipe Franciosi wrote: > > As a matter of fact, I didn't see any critics to the question below. I can > only assume that messing with inodes can look academic or not depending on > the phase of the moon or something. > > ------------------8<------------------ > On 6 Jan 2009, at 10:36, Rohit Sharma wrote: >> >> I want to read data blocks from one inode >> and copy it to other inode. >> >> I mean to copy data from data blocks associated with one inode >> to the data blocks associated with other inode. >> >> Is that possible in kernel space.? >> -- By chance that question was also asked on the kernelnewbies list. The first responses there were also of the form "Why do you want to do that?" FYI: It started a very long thread discussing what they were actually doing. (This was part of the OHSM project that has been mentioned here a couple times.) It was eventually determined the proposed online_defrag patchset was very similar to their need. Greg -- Greg Freemyer Litigation Triage Solutions Specialist http://www.linkedin.com/in/gregfreemyer First 99 Days Litigation White Paper - http://www.norcrossgroup.com/forms/whitepapers/99%20Days%20whitepaper.pdf The Norcross Group The Intersection of Evidence & Technology http://www.norcrossgroup.com