Re: [PATCH 00/17] [RFC] AFS: Implement OpenAFS pioctls(version)s

From: Alan Cox
Date: Tue Jun 16 2009 - 19:11:23 EST

> Whilst I might wish to ultimately replace the OpenAFS userspace utilities with
> my own set, that's no small piece of work, and so a handy halfway stage is a
> mixed environment as outlined above.
> Furthermore, the ability to use the OpenAFS userspace utilities unmodified
> with my kernel module, and, indeed vice-versa, makes testing much easier.

But if we add an ABI we end up stuck with it and this one is really
really rather ugly.

Can you not put pioctl() into a C library linked with the openafs
utilities that generates more sensible interface calls ? I mean you have
to produce the pioctl() syscall wrapper anyway so why not make "pioctl" a
user space compat library ?

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