curr_write_sz 468 drivers/hv/ring_buffer.c u32 curr_write_sz, pending_sz, bytes_read, start_read_index; curr_write_sz 512 drivers/hv/ring_buffer.c curr_write_sz = hv_get_bytes_to_write(rbi); curr_write_sz 535 drivers/hv/ring_buffer.c if (curr_write_sz - bytes_read > pending_sz) curr_write_sz 542 drivers/hv/ring_buffer.c if (curr_write_sz <= pending_sz)