get_hint
get_hint, policy);
return p->get_hint ? p->get_hint(p, cblock) : 0;
mq->policy.get_hint = smq_get_hint;
uint32_t (*get_hint)(struct dm_cache_policy *p, dm_cblock_t cblock);
hint = get_hint(codec, key);
struct hda_hint *hint = get_hint(codec, key);