From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161072AbWGICxl (ORCPT ); Sat, 8 Jul 2006 22:53:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1161070AbWGICxk (ORCPT ); Sat, 8 Jul 2006 22:53:40 -0400 Received: from cs.columbia.edu ([128.59.16.20]:16625 "EHLO cs.columbia.edu") by vger.kernel.org with ESMTP id S1161069AbWGICxk (ORCPT ); Sat, 8 Jul 2006 22:53:40 -0400 Subject: Re: [RFC] VFS: FS CoW using redirection From: Shaya Potter To: Al Boldi Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <200607082041.54489.a1426z@gawab.com> References: <200607082041.54489.a1426z@gawab.com> Content-Type: text/plain Date: Sat, 08 Jul 2006 22:53:30 -0400 Message-Id: <1152413610.19065.0.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.7.3 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 2006-07-08 at 20:41 +0300, Al Boldi wrote: > Copy on Write is a neat way to quickly achieve a semi-clustered system, by > mounting any shared FS read-only and redirecting writes to some perClient > FS. > > Would this redirection be easy to implement into the VFS? I've used unionfs that way.