dv_time           792 kern/subr_disk.c 	struct timeval dv_time, diff_time;
dv_time           797 kern/subr_disk.c 	microuptime(&dv_time);
dv_time           799 kern/subr_disk.c 	timersub(&dv_time, &diskp->dk_timestamp, &diff_time);
dv_time           802 kern/subr_disk.c 	diskp->dk_timestamp = dv_time;