From mboxrd@z Thu Jan  1 00:00:00 1970
From: Martin Jambor <jamborm@gmail.com>
Subject: Re: mmap question
Date: Tue, 22 Mar 2005 00:56:12 +0100
Message-ID: <8e70aacf050321155634cd83b4@mail.gmail.com>
References: <a4e6962a050321095930d4dbff@mail.gmail.com>
Reply-To: Martin Jambor <jamborm@gmail.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
Received: from wproxy.gmail.com ([64.233.184.196]:58702 "EHLO wproxy.gmail.com")
	by vger.kernel.org with ESMTP id S262227AbVCUX4Q (ORCPT
	<rfc822;linux-fsdevel@vger.kernel.org>);
	Mon, 21 Mar 2005 18:56:16 -0500
Received: by wproxy.gmail.com with SMTP id 71so1317368wra
        for <linux-fsdevel@vger.kernel.org>; Mon, 21 Mar 2005 15:56:13 -0800 (PST)
To: linux-fsdevel@vger.kernel.org
In-Reply-To: <a4e6962a050321095930d4dbff@mail.gmail.com>
Sender: linux-fsdevel-owner@vger.kernel.org
List-Id: linux-fsdevel.vger.kernel.org

On Mon, 21 Mar 2005 11:59:51 -0600, Eric Van Hensbergen
<ericvh@gmail.com> wrote:
> 
> I want all my file system's operations to be complete uncached and
> synchronous, but I also want to support mmap.  

I am only a kernel newbie but I belive that you need a pagefault every
time the  memory is accessed. Don't know how to do that or if you
would need to be platform specific, though.

HTH

Martin Jambor