linux-kernel - Re: [patch 5/6] ps3: BD/DVD/CD-ROM Storage Driver

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Date:	Mon, 16 Jul 2007 14:16:50 +0200
From:	Jens Axboe <jens.axboe@...cle.com>
To:	Geert Uytterhoeven <Geert.Uytterhoeven@...ycom.com>
Cc:	James Bottomley <James.Bottomley@...elEye.com>,
	Arnd Bergmann <arnd@...db.de>, linux-scsi@...r.kernel.org,
	Linux Kernel Development <linux-kernel@...r.kernel.org>,
	Alessandro Rubini <rubini@...ion.unipv.it>,
	Linux/PPC Development <linuxppc-dev@...abs.org>,
	Paul Mackerras <paulus@...ba.org>
Subject: Re: [patch 5/6] ps3: BD/DVD/CD-ROM Storage Driver

On Mon, Jul 16 2007, Geert Uytterhoeven wrote:
> On Fri, 13 Jul 2007, Geert Uytterhoeven wrote:
> > Ah, that explains it. flush_dcache_page() is used in some drivers.
> > I'll update my patches. Thanks for the comments!
> 
> Does this look OK?
>   - Replaced KM_USER0 by KM_IRQ0 (all routines are either called from an
>     interrupt handler, from .request_fn (ps3disk), or from .queuecommand
>     (ps3rom))

That looks good.

>   - Add a call to flush_kernel_dcache_page() in routines that write to buffers

Hmm, I would have thought a flush_dcache_page() would be more
appropriate, the backing could be page cache pages.

-- 
Jens Axboe

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