incore
if (incore(vp, rablks[i]))
if (!incore(vp, rabn)) {
struct buf *incore(struct vnode *, daddr_t);
if ((daddr == 0 && !incore(vp, metalbn)) || metalbn == bn)
if ((daddr == 0 && !incore(vp, metalbn)) || metalbn == bn)