From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ben Myers <bpm@sgi.com>
Subject: Re: [RFC v2] Unicode/UTF-8 support for XFS
Date: Tue, 23 Sep 2014 15:45:13 -0500
Message-ID: <20140923204512.GI4482@sgi.com>
References: <20140918195650.GI19952@sgi.com>
 <87lhpbhfgg.fsf@tassilo.jf.intel.com>
 <20140922184145.GH4482@sgi.com>
 <20140922192958.GJ4120@two.firstfloor.org>
 <54219C17.3090104@sgi.com>
 <20140923201540.GB15923@two.firstfloor.org>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Cc: Olaf Weber <olaf@sgi.com>, linux-fsdevel@vger.kernel.org,
	tinguely@sgi.com, xfs@oss.sgi.com
To: Andi Kleen <andi@firstfloor.org>
Return-path: <linux-fsdevel-owner@vger.kernel.org>
Received: from relay3.sgi.com ([192.48.152.1]:42487 "EHLO relay.sgi.com"
	rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP
	id S1753090AbaIWUpO (ORCPT <rfc822;linux-fsdevel@vger.kernel.org>);
	Tue, 23 Sep 2014 16:45:14 -0400
Content-Disposition: inline
In-Reply-To: <20140923201540.GB15923@two.firstfloor.org>
Sender: linux-fsdevel-owner@vger.kernel.org
List-ID: <linux-fsdevel.vger.kernel.org>

Hi Andi,

On Tue, Sep 23, 2014 at 10:15:40PM +0200, Andi Kleen wrote:
> > You only pay the space cost if you use it, similar to the nls tables.
> 
> The way Linux module loading works these things are loaded by default,
> not when someone needs it.
> 
> So no, you (or rather every unfortunate Linux XFS user) would pay it always,
> unless you black list the module or rebuild the kernel.

The suggestion to use symbol_get was made in response to the initial
post of the series.  In my testing the normalization module did not load
until I attempted to mount a filesystem which required it.  Seems to
work ok.

See patch 10, "xfs: implement demand load of utf8norm.ko". 

Thanks,
	Ben