Re: Splicing to/from a tty

[Linus Torvalds]

On Mon, Jan 25, 2021 at 10:07 PM Al Viro <viro@xxxxxxxxxxxxxxxxxx> wrote:
>
> On Sun, Jan 24, 2021 at 11:11:42AM -0800, Linus Torvalds wrote:
> >
> > I agree that it would be better fixed by just having sendfile()
> > basically turn into splice() for the pipe target case, but I haven't
> > seen any patches from you, so I assume it wasn't 100% trivial.
>
> Just to make clear - sendfile() regular-to-pipe is *not* the same
> issue as splice to/from tty.

That's not what I meant.

sendfile() to a pipe is basically the same thing as splice() to a pipe.

Except I think it might have different looping behavior. And as you
noted earlier, the error returns may be randomly different.

             Linus