linux-kernel - Re: [RFC PATCH v2] support ioctl for tunable user request

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Date:	Thu, 8 Sep 2011 11:54:48 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Kyungmin Park <kmpark@...radead.org>,
	Christoph Hellwig <hch@...radead.org>,
	Jens Axboe <jaxboe@...ionio.com>,
	Jaehoon Chung <jh80.chung@...sung.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Lin Ming <lxy@...pku.edu.cn>
Subject: Re: [RFC PATCH v2] support ioctl for tunable user request

On Thu, Sep 08, 2011 at 05:47:52PM +0200, Arnd Bergmann wrote:
> I would suggest that you specify exactly what you mean with REQ_GC at the
> point where it is defined, e.g.

Why would this be a request?  This seems like global action for the
device to me, and should have its own method.

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