From mboxrd@z Thu Jan 1 00:00:00 1970 From: Francis Moreau Subject: PG_updatodate vs BH_updatodate Date: Fri, 21 Nov 2008 23:03:27 +0100 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii To: linux-fsdevel@vger.kernel.org Return-path: Received: from ey-out-2122.google.com ([74.125.78.27]:12336 "EHLO ey-out-2122.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752815AbYKUWDn (ORCPT ); Fri, 21 Nov 2008 17:03:43 -0500 Received: by ey-out-2122.google.com with SMTP id 6so481407eyi.37 for ; Fri, 21 Nov 2008 14:03:41 -0800 (PST) Sender: linux-fsdevel-owner@vger.kernel.org List-ID: Hello, I'm wondering if there's any difference between these 2 flags except that one is a page flag and the other one is a buffer head flag. But in my understanding these 2 flags means that the page contains uptodate data. So the buffer head flag seems useless since it could be calculated from bh->b_page->flags. Thanks for any hints Francis