linux-kernel - Re: [JANITOR PROPOSAL] Switch ioctl functions to ->unlocked

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Message-Id: <200801090219.46876.arnd@arndb.de>
Date:	Wed, 9 Jan 2008 02:19:46 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	Alexey Dobriyan <adobriyan@...il.com>,
	linux-kernel@...r.kernel.org, apw@...dowen.org
Subject: Re: [JANITOR PROPOSAL] Switch ioctl functions to ->unlocked_ioctl

On Wednesday 09 January 2008, Andi Kleen wrote:
> I imagined it would check for 
> 
> +struct file_operations ... = { 
> +      ...
> +       .ioctl = ...
> 
> That wouldn't catch the case of someone adding only .ioctl to an 
> already existing file_operations which is not visible in the patch context, 
> but that should be hopefully rare. The more common case is adding
> completely new operations

Right, this would work fine. We can probably even have a list of
data structures that work like file_operations in this regard.

	Arnd <><
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