From: "Manish Katiyar" Subject: Re: Copying Data Blocks Date: Tue, 6 Jan 2009 18:54:49 +0530 Message-ID: References: <2d08ef090901060236p46d4d396x797e4bceb24a2a34@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: ext4 , Kernelnewbies To: "Rohit Sharma" Return-path: Received: from ti-out-0910.google.com ([209.85.142.190]:52454 "EHLO ti-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751723AbZAFN0T (ORCPT ); Tue, 6 Jan 2009 08:26:19 -0500 Received: by ti-out-0910.google.com with SMTP id b6so9821126tic.23 for ; Tue, 06 Jan 2009 05:24:49 -0800 (PST) In-Reply-To: <2d08ef090901060236p46d4d396x797e4bceb24a2a34@mail.gmail.com> Content-Disposition: inline Sender: linux-ext4-owner@vger.kernel.org List-ID: On Tue, Jan 6, 2009 at 4:06 PM, 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. Copying 4K chunk of data itself is a costly operation. and depending on the size of your donor inode this can be huge . Why do you want to do that ? Do you know the inode of the donor inode ? thanks - Manish > > Is that possible in kernel space.? > -- > To unsubscribe from this list: send the line "unsubscribe linux-ext4" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html >