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SubjectRe: Some very thought-provoking ideas about OS architecture.
Matthew Wilcox writes:
> The alternative would be to drop ioctl altogether and replace it
> with a different interface. plan9 uses ctl files -- you write
> strings to them to perform commands. But I'm not sure people are
> willing to make that kind of radical change (certainly not within
> the 2.3 timeframe).

But then there would be the added cost of parsing/comparing control
strings. A switch on an integer is much cheaper.

Regards,

Richard....

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