Re: [RFD w/info-PATCH] device arguments from lookup, partion code

[Alan Cox]

> > I don't need to read it. Don't be insulting. Sure, you *can* use a
> > write(2)/read(2) cycle. But that's two syscalls compared to one with
> > ioctl(2) or transaction(2). That can matter to some applications.
> 
> I just don't think so. Where did you see performance-critical use of
> ioctl()?

AGP, video4linux,...

Alan

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