taglinefilesource code
cur_heads317drivers/block/hd.cif ((id->field_valid&1) && id->cur_cyls && id->cur_heads && (id->cur_heads <= 16) && id->cur_sectors) {
cur_heads326drivers/block/hd.chd_info[dev].head = id->cur_heads;
cur_heads107include/linux/hdreg.hunsigned short  cur_heads;  /* logical heads */