MIN_PHYS
if (bp->b_bcount > MIN_PHYS)
bp->b_bcount = MIN_PHYS;
dcount = count = uimin(pending_5380_count, MIN_PHYS);
dcount = count = uimin(pending_5380_count, MIN_PHYS);
if (bp->b_bcount > MIN_PHYS)
bp->b_bcount = MIN_PHYS;