Re: 4.9.0 regression in pipe-backed iov_iter with systemd-nspawn

[Al Viro]

On Thu, Jan 12, 2017 at 08:26:52PM +0000, Alan J. Wylie wrote:
> 
> Some time after 4.9.0 was released, I noticed that a cron job running
> systemd-nspawn was hanging trying to send mail.

Check if 8e54cadab447 (fix default_file_splice_read()) fixes it.