Mikael Pettersson wrote:

A common trick is to embed a generic struct inside a specific one
containing add-on data fields, and then to map from the generic
one to the specific one using container_of() in your ops (function
pointers). This is both faster and less wasteful of memory than
adding void *private all over the place.

Any reason that won't work here?

Yes, that will work. Sorry, I should have thought of that myself, since I've used that trick a number of times before.

--
Timur Tabi
Linux Kernel Developer @ Freescale
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