tape_std_read_backward 250 drivers/s390/char/tape_34xx.c tape_std_read_backward(device, request); tape_std_read_backward 743 drivers/s390/char/tape_std.c EXPORT_SYMBOL(tape_std_read_backward); tape_std_read_backward 101 drivers/s390/char/tape_std.h void tape_std_read_backward(struct tape_device *device,