HASH_INDEX
indx = HASH_INDEX(htbl->hash_size, hash_val);
indx = HASH_INDEX(htbl->hash_size, picl_val);
i = HASH_INDEX(htbl->hash_size, hash_val);
i = HASH_INDEX(htbl->hash_size, hash_val);
i = HASH_INDEX(htbl->hash_size, hash_val);
index = HASH_INDEX(request->l_vnode);
int index = HASH_INDEX(vp);
first_index = HASH_INDEX(vp);
gp = lock_graph[HASH_INDEX(vp)];