taglinefilesource code
first_read_date731drivers/block/floppy.cdelta = jiffies - UDRS->first_read_date + HZ -
first_read_date1554drivers/block/floppy.cDRS->first_read_date = 0;
first_read_date1941drivers/block/floppy.cif ( ! DRS->first_read_date )
first_read_date1942drivers/block/floppy.cDRS->first_read_date = jiffies;
first_read_date167include/linux/fd.hunsigned long first_read_date;