On Fri, Oct 28, 2016 at 08:21:38AM -0700, Christoph Hellwig wrote:
> On Fri, Oct 28, 2016 at 06:16:06PM +0300, Leon Romanovsky wrote:
> > And it is indeed happen for new code. This magic is needed to allow legacy
> > write interface to be converted to new ioctl interface internally in
> > kernel.
>
> You just added these statements which are by defintion new code.
> Don't do that - create a clean kernel internal interface instead.
>
> The canonical one would be to only pass kernel pointers in the internal
> interface.
Just to summarize, to be sure that I understood you correctly.
--------- --------------------
| write | -> | conversion logic | ---
--------- -------------------- | ----------------------
-----> | internal interface |
--------- | ----------------------
| ioctl | ---------------------------
---------
Am I right?
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