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

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Message-ID: <20210118195647.GA740243@zeniv-ca>
Date:   Mon, 18 Jan 2021 19:56:47 +0000
From:   Al Viro <viro@...iv.linux.org.uk>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
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 11:49:53AM -0800, Linus Torvalds wrote:
> 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.

Just noticed, should be fixed now...