SPLICE_F_MORE
more = sd->flags & SPLICE_F_MORE;
sd->flags |= SPLICE_F_MORE;
sd->flags &= ~SPLICE_F_MORE;
if (flags & SPLICE_F_MORE)
#define SPLICE_F_ALL (SPLICE_F_MOVE|SPLICE_F_NONBLOCK|SPLICE_F_MORE|SPLICE_F_GIFT)
SPLICE_F_MOVE | SPLICE_F_MORE);
SPLICE_F_MOVE | SPLICE_F_MORE);
unsigned int f = SPLICE_F_NONBLOCK | SPLICE_F_MORE | SPLICE_F_GIFT;
ts->pipe_size, SPLICE_F_MOVE | SPLICE_F_MORE);
SPLICE_F_MOVE | SPLICE_F_MORE);