PRIV
#define PRIV(ump) ((struct strat_private *) ump->strategy_private)
#define PRIV(ump) ((struct strat_private *) ump->strategy_private)
#define PRIV(ump) ((struct strat_private *) (ump)->strategy_private)
#define PRIV(ump) ((struct strat_private *) ump->strategy_private)
#define PRIV 02 /* privileged, root execute only */