134 		to_wait = min_t(size_t, n / datum_size, rb->watermark);  in iio_buffer_read_first_n_outer()
182 	if (iio_buffer_ready(indio_dev, rb, rb->watermark, 0))  in iio_buffer_poll()
208 	if (!buffer->watermark)  in iio_buffer_init()
209 		buffer->watermark = 1;  in iio_buffer_init()
534 	if (buffer->length && buffer->length < buffer->watermark)  in iio_buffer_write_length()
535 		buffer->watermark = buffer->length;  in iio_buffer_write_length()
677 	unsigned int watermark;  member
695 	config->watermark = ~0;  in iio_verify_update()
711 		config->watermark = min(config->watermark, buffer->watermark);  in iio_verify_update()
716 		config->watermark = min(config->watermark,  in iio_verify_update()
717 			insert_buffer->watermark);  in iio_verify_update()
948 			config->watermark);  in iio_enable_buffers()
1166 	return sprintf(buf, "%u\n", buffer->watermark);  in iio_buffer_show_watermark()
1197 	buffer->watermark = val;  in iio_buffer_store_watermark()
1222 static DEVICE_ATTR(watermark, S_IRUGO | S_IWUSR,
1224 static struct device_attribute dev_attr_watermark_ro = __ATTR(watermark,
1399 	 * We can't just test for watermark to decide if we wake the poll queue  in iio_push_to_buffer()
1400 	 * because read may request less samples than the watermark.  in iio_push_to_buffer()