linux-kernel - Re: [PATCH 2/3, RFC] watchdog dev BKL pushdown

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Message-ID: <20080522103445.3c6b69e9@core>
Date:	Thu, 22 May 2008 10:34:45 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Wim Van Sebroeck <wim@...ana.be>,
	Christoph Hellwig <hch@...radead.org>,
	Jonathan Corbet <corbet@....net>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Thomas Gleixner <tglx@...utronix.de>,
	Alexander Viro <viro@....linux.org.uk>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3, RFC] watchdog dev BKL pushdown

> Are you planning this as a transitional method for
> converting drivers, or are you aware of any driver that
> actually needs its own ioctl method?

I added it "in case" and to allow for special cases later. We may not
need it for any existing devices.

> All the ioctl numbers are compatible, so it would be good
> to register the watchdog ioctl function as compat_ioctl
> as well. Once all drivers are using the common abstraction,
> we can also kill their COMPATIBLE_IOCTL() entries in
> fs/compat_ioctl.c.

Good point. Wim will no doubt comment on all this once he has finished
his more pressing jobs.

Alan
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