taglinefilesource code
TRK0_ERR156drivers/block/hd.cif (hd_error & TRK0_ERR)  printk("TrackZeroNotFound ");
TRK0_ERR456drivers/block/hd.celse if ((hd_error & TRK0_ERR) || CURRENT->errors % RECAL_FREQ == 0)
TRK0_ERR821drivers/block/ide.cif (err & TRK0_ERR)  printk("TrackZeroNotFound ");
TRK0_ERR895drivers/block/ide.celse if (err & TRK0_ERR)  /* help it find track zero */