vdc_tx_dring_avail  184 drivers/block/sunvdc.c 	if (port->disk && vdc_tx_dring_avail(dr) * 100 / VDC_TX_RING_SIZE >= 50)
vdc_tx_dring_avail  555 drivers/block/sunvdc.c 	if (unlikely(vdc_tx_dring_avail(dr) < 1)) {