priv_read_loc 380 drivers/hv/ring_buffer.c u32 priv_read_loc = rbi->priv_read_index; priv_read_loc 383 drivers/hv/ring_buffer.c if (write_loc >= priv_read_loc) priv_read_loc 384 drivers/hv/ring_buffer.c return write_loc - priv_read_loc; priv_read_loc 386 drivers/hv/ring_buffer.c return (rbi->ring_datasize - priv_read_loc) + write_loc;