linux-kernel - Re: ioctl definition - has it changed recently?

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Message-ID: <4C68EFE8.20202@example.com>
Date:	Mon, 16 Aug 2010 09:59:36 +0200
From:	Piotr Hosowicz <piotr@...owicz.com>
To:	Arnd Bergmann <arnd@...db.de>
CC:	Sam Ravnborg <sam@...nborg.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: ioctl definition - has it changed recently?

On 16.08.2010 09:17, Arnd Bergmann wrote:
> On Monday 16 August 2010 09:11:33 Piotr Hosowicz wrote:
>>> and then make it use the unlocked_ioctl operation.
>>
>> This I do not know. Can You help me?
>>
>
> Just take a look at all the other patches that went into the
> kernel to do this for other drivers. You only really
> need to change the line with .ioctl=... to .unlocked_ioctl=
> and change the prototype of the referenced function to
>
> static long foo_ioctl(struct file *file, unsigned int cmd, unsigned long arg)

int           nv_kern_ioctl(struct inode *, struct file *, unsigned int, 
unsigned long);

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/

Regards,

Piotr Hosowicz

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