On Thu, Jan 12, 2017 at 10:46:06PM +0000, Alan J. Wylie wrote: > at 14:26 on Thu 12-Jan-2017 Linus Torvalds (torva...@linux-foundation.org) > wrote:
> 13761 copy_file_range(5, NULL, 1, NULL, 9223372036854775807, 0) = -1 EXDEV > (Invalid cross-device link) > 13761 sendfile(1, 5, NULL, 9223372036854775807) = -1 EINVAL (Invalid argument) > 13761 splice(5, NULL, 1, NULL, 9223372036854775807, 0) = -1 EAGAIN (Resource > temporarily unavailable) *bleep* splice from /dev/ptmx to stdout, whatever the latter had been. IOW, we are dealing with do_splice() -> do_splice_to() -> default_file_splice_read() for pseudo-tty as source...
