d_headswitch 52 arch/alpha/boot/tools/mkbb.c u32 d_headswitch, d_trkseek, d_flags; d_headswitch 38 block/partitions/osf.c __le32 d_headswitch, d_trkseek, d_flags; d_headswitch 530 include/linux/genhd.h __u32 d_headswitch; /* head switch time, usec */