JUMP_TYPE_LINKED
WARN_ON_ONCE(key->type & JUMP_TYPE_LINKED);
return key->type & JUMP_TYPE_LINKED;
key->type &= ~JUMP_TYPE_LINKED;
key->type |= JUMP_TYPE_LINKED;
return (key->type & JUMP_TYPE_LINKED) && !(key->type & ~JUMP_TYPE_MASK);
key->type = JUMP_TYPE_LINKED | type;