linux-kernel - Re: request_queue_t depends on CONFIG

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Message-Id: <200703231929.19406.bzolnier@gmail.com>
Date:	Fri, 23 Mar 2007 19:29:19 +0100
From:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
To:	Olaf Hering <olaf@...fle.de>
Cc:	Christoph Hellwig <hch@...radead.org>,
	linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org
Subject: Re: request_queue_t depends on CONFIG_BLOCK


Hi,

On Friday 23 March 2007, Olaf Hering wrote:
> On Thu, Mar 22, Christoph Hellwig wrote:
> 
> > On Thu, Mar 22, 2007 at 10:52:34PM +0100, Olaf Hering wrote:
> > > How can this compile error be fixed properly?
> > > request_queue_t is inside CONFIG_BLOCK,
> > > ide_drive_s (and likely others) use it unconditionally.
> > > 
> > > 
> > >   CC      arch/powerpc/kernel/setup_64.o
> > > In file included from linux-2.6.21-rc4/arch/powerpc/kernel/setup_64.c:23:
> > 
> > start looking for the problem here.  Why does you arch code include ide.h?
> 
> Because it is needed in a few places.

Is there really any PPC64 specific code which needs <linux/ide.h>
(ppc_ide_md is used only by PPC32)?

> Better hide everything in ide.h inside #ifdef CONFIG_IDE

<linux/ide.h> is _stricly_ for IDE subsystem, please fix PPC64 code instead

Thanks,
Bart
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