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SubjectRe: [RFD w/info-PATCH] device arguments from lookup, partion code
Alexander Viro writes:
> On Sat, 19 May 2001, Richard Gooch wrote:
> > The transaction(2) syscall can be just as easily abused as ioctl(2) in
> > this respect. People can pass pointers to ill-designed structures very
> Right. Moreover, it's not needed. The same functionality can be
> trivially implemented by write() and read(). As the matter of fact,
> had been done in userland context for decades. Go and buy
> Stevens. Read it. Then come back.

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.


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