sendfile_okay    2795 opal/mca/event/libevent2022/libevent/buffer.c 	int sendfile_okay = 1;
sendfile_okay    2807 opal/mca/event/libevent2022/libevent/buffer.c 		sendfile_okay = outbuf->flags & EVBUFFER_FLAG_DRAINS_TO_FD;
sendfile_okay    2811 opal/mca/event/libevent2022/libevent/buffer.c 	if (use_sendfile && sendfile_okay) {