From: Arnd Bergmann <arnd@arndb.de>
To: piotr@hosowicz.com
Subject: Re: ioctl definition - has it changed recently?
Date: Tue, 17 Aug 2010 15:18:13 +0200
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On Tuesday 17 August 2010, Piotr Hosowicz wrote:
> >> Just take a look at all the other patches that went into the
> >> kernel to do this for other drivers.
> 
> I do not know how to find them. :-(

git log -p -S"unlocked_ioctl"

> > It seems different. How to change it? Now it works, I built it without
> > your remarks, exactly how I described on my blog:
> >
> > http://phosowicz.jogger.pl/2010/08/15/nvidia-graphics-in-fresh-kernels/
> 
> Ok, as I wrote the prototypes differ. What should I do with the inode 
> parameter?

It's normally not needed.

If you do need it, use file->f_path.dentry->d_inode.

	Arnd
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