linux-kernel - Re: [RESEND][BUG][PATCH]-rc: USB: yurex: add .llseek fop to file

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Message-Id: <201011261622.29100.arnd@arndb.de>
Date:	Fri, 26 Nov 2010 16:22:28 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	Greg KH <gregkh@...e.de>
Cc:	Tomoki Sekiyama <tomoki.sekiyama@...il.com>,
	linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org
Subject: Re: [RESEND][BUG][PATCH]-rc: USB: yurex: add .llseek fop to file_operations

On Thursday 25 November 2010 18:16:13 Greg KH wrote:
> On Fri, Nov 26, 2010 at 01:11:05AM +0900, Tomoki Sekiyama wrote:
> > Hi Greg-KH,
> > Sorry for resending this; To: was not enough.
> > 
> > https://bugzilla.kernel.org/show_bug.cgi?id=23512
> > 
> > Default llseek operation behavior was changed by the patch named
> > "vfs: make no_llseek the default" after the yurex driver was merged,
> > so the llseek to yurex is now ignored.
> > 
> > This patch add llseek fop with default_llseek to yurex driver
> > to catch up to the change.
> > 
> > Signed-off-by: Tomoki Sekiyama <tomoki.sekiyama@...il.com>
> 
> It's in my queue, sorry, been without power and water at home for a few
> days, will catch up on this stuff next week...

I was out most of the week, so I didn't get to look at it either.
Is there an actual bug here caused by having no .llseek function?

As far as I can tell, you don't really want to seek this file
anyway, so the default behaviour of disallowing llseek would actually
make more sense.

	Arnd
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