Re: [WTF?] extremely old dead code

[Linus Torvalds]

On Mon, Sep 10, 2018 at 1:55 PM Al Viro <viro@xxxxxxxxxxxxxxxxxx> wrote:
>
> Hadn't that sucker been dead code since 0.98.2?  What am I missing here?
> Note that this thing had quite a few functionality changes over those
> years; had they even been tested?

Looks about right to me. The only point that actually acts on FIONBIO
is the fs/ioctl.c code.

Impressively, the dead tty code looks perfectly correct to me too,
despite not  ever being triggered.

              Linus