t
#define VINUMMINOR(v,p,s,t) ( (v << VINUM_VOL_SHIFT) \
| (t << VINUM_TYPE_SHIFT) )
#define VINUMDEV(v,p,s,t) \
VINUMMINOR (v, p, s, t)
#define VINUMRMINOR(d,t) \
| (t << VINUM_TYPE_SHIFT) )