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From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Fri, 23 Sep 2016 13:36:12 -0700
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Subject: Re: [PATCH 04/11] splice: lift pipe_lock out of splice_to_pipe()
To: Al Viro <viro@zeniv.linux.org.uk>
Cc: Dave Chinner <david@fromorbit.com>, CAI Qian <caiqian@redhat.com>,
        linux-xfs <linux-xfs@vger.kernel.org>, xfs@oss.sgi.com,
        Jens Axboe <axboe@kernel.dk>, Nick Piggin <npiggin@gmail.com>,
        linux-fsdevel <linux-fsdevel@vger.kernel.org>
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On Fri, Sep 23, 2016 at 1:10 PM, Al Viro <viro@zeniv.linux.org.uk> wrote:
>
> OTOH, considering the quality of documentation, I'm somewhat tempted to go
> for "sleep only if it had been completely full when we entered; once there's
> some space feed as much as fits and be done with that".  OTTH, I'm not sure
> that no userland cr^Hode will manage to be hurt by that variant...

Let's just try it.

If that then doesn't work, we can introduce your odd code (with a
*big* comment). Ok?

               Linus