B_HEAVY
if (bp->b_flags & B_HEAVY) {
if ((bp->b_flags & B_HEAVY) == 0) {
bp->b_flags |= B_HEAVY;
if (bp->b_flags & B_HEAVY) {
if (bp->b_flags & B_HEAVY) {
switch(bp->b_flags & (B_DELWRI|B_HEAVY)) {
case B_DELWRI | B_HEAVY:
bp->b_qindex = (bp->b_flags & B_HEAVY) ?
bp->b_flags |= B_HEAVY;
if (bp->b_flags & B_HEAVY) {