CD_SECS 1195 include/linux/cdrom.h *m = lba / (CD_SECS * CD_FRAMES); CD_SECS 1196 include/linux/cdrom.h lba %= (CD_SECS * CD_FRAMES); CD_SECS 1203 include/linux/cdrom.h return (((m * CD_SECS) + s) * CD_FRAMES + f) - CD_MSF_OFFSET;