From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner+willy=40w.ods.org@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S261757AbUBYW2g (ORCPT <rfc822;willy@w.ods.org>);
	Wed, 25 Feb 2004 17:28:36 -0500
Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261651AbUBYWZr
	(ORCPT <rfc822;linux-kernel-outgoing>);
	Wed, 25 Feb 2004 17:25:47 -0500
Received: from markov.ece.neu.edu ([129.10.60.83]:15548 "EHLO
	SMTP1.ECE.NEU.EDU") by vger.kernel.org with ESMTP id S261669AbUBYWVi
	(ORCPT <rfc822;linux-kernel@vger.kernel.org>);
	Wed, 25 Feb 2004 17:21:38 -0500
Date: Wed, 25 Feb 2004 17:11:48 -0500 (EST)
From: Yijian Wang <yiwang@ECE.NEU.EDU>
X-X-Sender: yiwang@benson
To: linux-kernel@vger.kernel.org
Subject: filesystem logical block number
Message-ID: <Pine.GSO.4.58.0402251709150.16469@benson>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Sender: linux-kernel-owner@vger.kernel.org
X-Mailing-List: linux-kernel@vger.kernel.org


Hello,

Does anybody know how to get the logical block numbers of file accesses?
i.e. if I want to read some data from a file, how can I know which block
numbers I am accessing? Is there any system call?

Thank you!

regards,
Yijian Wang