From: Christoph Hellwig Subject: Re: [PATCH] ext3: sreadahead hooks Date: Tue, 14 Oct 2008 11:13:29 -0400 Message-ID: <20081014151329.GA17926@infradead.org> References: <20081014101735.04107779@infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-ext4@vger.kernel.org, tytso@mit.edu To: Arjan van de Ven Return-path: Received: from bombadil.infradead.org ([18.85.46.34]:56528 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753224AbYJNPNa (ORCPT ); Tue, 14 Oct 2008 11:13:30 -0400 Content-Disposition: inline In-Reply-To: <20081014101735.04107779@infradead.org> Sender: linux-ext4-owner@vger.kernel.org List-ID: On Tue, Oct 14, 2008 at 10:17:35AM -0400, Arjan van de Ven wrote: > > >From 3d7a0ca0ee8a755251251bd9ddca0866c25acdc2 Mon Sep 17 00:00:00 2001 > From: Arjan van de Ven > Date: Tue, 14 Oct 2008 10:12:08 -0400 > Subject: [PATCH] ext3: sreadahead hooks > > The sreadahead program, used to make the OS boot faster, needs to know in > the approximate order in files are used during the boot process. This patch > adds the ext3 hook for this functionality, basically it stores "jiffies" > into the inode at allocation time, and exposes it via an EXT3 ioctl (yes I > know but ioctl seems fitting for this). Even if it's an ioctl there's absolutely no point in making this fileystem specific. Also the name is rather dumb and non-descriptive.