linux-ext4 - Re: [PATCH] ext3: sreadahead hooks

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Message-ID: <20081014151329.GA17926@infradead.org>
Date:	Tue, 14 Oct 2008 11:13:29 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	Arjan van de Ven <arjan@...radead.org>
Cc:	linux-ext4@...r.kernel.org, tytso@....edu
Subject: Re: [PATCH] ext3: sreadahead hooks

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 <arjan@...ux.intel.com>
> 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.

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