kernel/util/ring_buffer.cpp

280 ring_buffer_get_vecs(struct ring_buffer* buffer, struct iovec* vecs)  in ring_buffer_get_vecs()  argument
287 		vecs[0].iov_base = buffer->buffer + buffer->first;  in ring_buffer_get_vecs()
288 		vecs[0].iov_len = buffer->in;  in ring_buffer_get_vecs()
296 	vecs[0].iov_base = buffer->buffer + buffer->first;  in ring_buffer_get_vecs()
297 	vecs[0].iov_len = upper;  in ring_buffer_get_vecs()
298 	vecs[1].iov_base = buffer->buffer;  in ring_buffer_get_vecs()
299 	vecs[1].iov_len = lower;  in ring_buffer_get_vecs()
370 		iovec vecs[2];
371 		vecs[0].iov_base = buffer->buffer + buffer->first;
372 		vecs[0].iov_len = upper;
373 		vecs[1].iov_base = buffer->buffer;
374 		vecs[1].iov_len = lower;
376 		status = writev_port_etc(port, code, vecs, 2, length, flags, timeout);