On Fri, May 27, 2016 at 12:46:48AM +0000, Hefty, Sean wrote:

quoted

This is where I see the attraction of the attribute id labeled buffer.

I like the idea of an attribute id labeled buffer myself.  But I think the processing of the ioctl data is better handled by the kernel client, rather than the framework.  The framework just needs to know enough to copy the data efficiently into/out from the kernel, and I don't know what's the optimal design here.

Sean,
What do you mean by "the kernel client"?

Maybe you are referring for something else, but I think about driver's
implementations of callbacks which will cause to code duplications.

- Sean 
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