From: Andrew Morton Subject: i_version_1_vfs_layer Date: Thu, 15 Feb 2007 00:26:56 -0800 Message-ID: <20070215002656.a163dee9.akpm@linux-foundation.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: "linux-ext4@vger.kernel.org" To: Jean Noel Cordenner , "Theodore Ts'o" Return-path: Received: from smtp.osdl.org ([65.172.181.24]:39177 "EHLO smtp.osdl.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965234AbXBOI1C (ORCPT ); Thu, 15 Feb 2007 03:27:02 -0500 Sender: linux-ext4-owner@vger.kernel.org List-Id: linux-ext4.vger.kernel.org This: ftp://ftp.kernel.org/pub/linux/kernel/people/tytso/ext4-patches/2.6.20-ext4-1/broken-out/i_version_1_vfs_layer significantly deoptimises file_update_time() for major filesystems (eg, ext3). The changelog offers no reason for this alteration. In fact the changelog basically says nothing at all and needs a lot of work. What is this patch doing and why does it need to make that change?