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

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Message-ID: <20070716130447.GO5195@kernel.dk>
Date:	Mon, 16 Jul 2007 15:04:47 +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 Mon, 16 Jul 2007, Jens Axboe wrote:
> > 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.
> 
> OK, I'll change it to flush_dcache_page().

Then you may add my acked-by as well, if you want.

-- 
Jens Axboe

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