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DateWed, 15 Dec 2004 17:12:18 +0100
FromAndi Kleen <>
SubjectRe: unregister_ioctl32_conversion and modules. ioctl32 revisited.
> I don't really understand how this should deal with drivers that have
> both generic and private ioctl conversion handlers. E.g.
> drivers/s390/block/dasd*.c want to go through the handlers in
> fs/compat_ioctl.c for stuff like BLKGETSIZE, while it also allows
> third party modules to dynamically register additional ioctls.
> See drivers/s390/block/dasd_cmb.c for an example, I think EMC are
> doing something similar to support their drives.
>
> If the dasd driver now implements an ioctl_compat() method, who will
> call the standard conversion handlers?

How about just calling back to a special function from these
special ioctl handlers?

-Andi

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