linux-kernel - Re: Splicing to/from a tty

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Date:   Mon, 18 Jan 2021 11:49:53 -0800
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Al Viro <viro@...iv.linux.org.uk>
Cc:     Johannes Berg <johannes@...solutions.net>,
        Christoph Hellwig <hch@....de>,
        Oliver Giles <ohw.giles@...il.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: Splicing to/from a tty

On Mon, Jan 18, 2021 at 11:45 AM Al Viro <viro@...iv-ca> wrote:
>
> do_splice_direct() does something that do_splice() won't - it
> handles non-pipe to non-pipe case.  Which is how sendfile(2) is
> normally used, of course.

Yeah, I agree, it's better if we do the pipe case specially, but if
it's too painful for a stable backport I'll certainly take the
one-liner..

Btw, your email setup is broken. Your emails now have a "From:" line like this:

    From: Al Viro <viro@...iv-ca>

and that is not a valid email address.

              Linus