Invert the polarity and better name the flag so that the use case is
properly documented.
Signed-off-by: NChristoph Hellwig <hch@lst.de>
Signed-off-by: NDaniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20200629130359.2690853-3-hch@lst.de