From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Thompson Subject: Re: Wrapper File System Date: Mon, 6 Feb 2006 16:14:29 -0600 Message-ID: References: <20060205180434.19249.qmail@web32502.mail.mud.yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Cc: linux-fsdevel@vger.kernel.org Return-path: Received: from xproxy.gmail.com ([66.249.82.199]:39343 "EHLO xproxy.gmail.com") by vger.kernel.org with ESMTP id S932229AbWBFWOa convert rfc822-to-8bit (ORCPT ); Mon, 6 Feb 2006 17:14:30 -0500 Received: by xproxy.gmail.com with SMTP id s14so848409wxc for ; Mon, 06 Feb 2006 14:14:29 -0800 (PST) To: UZAIR LAKHANI In-Reply-To: <20060205180434.19249.qmail@web32502.mail.mud.yahoo.com> Content-Disposition: inline Sender: linux-fsdevel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org On 2/5/06, UZAIR LAKHANI wrote: > Hello All, > > I have to inquire how one can write a Wrapper file > system (fs) i.e. a fs that has under it a complete fs > and this wrapper fs only calls the functions of that > actual underlying fs. Also known as a stacked filesystem (as one is stacked on another). eCryptfs is one such filesytem, and it is modeled off of work done by Erez Zadok, if I can find my links to his work, I'll post them, but you can always google him for more information. -- Michael C. Thompson Software-Engineer, IBM LTC Security