static int smq_walk_mappings(struct dm_cache_policy *p, policy_walk_fn fn, void *context) { struct smq_policy *mq = to_smq_policy(p); int r = 0; /* * We don't need to lock here since this method is only called once * the IO has stopped. */ r = smq_save_hints(mq, &mq->clean, fn, context); if (!r) r = smq_save_hints(mq, &mq->dirty, fn, context); return r; }
static int smq_walk_mappings(struct dm_cache_policy *p, policy_walk_fn fn, void *context) { struct smq_policy *mq = to_smq_policy(p); int r = 0; mutex_lock(&mq->lock); r = smq_save_hints(mq, &mq->clean, fn, context); if (!r) r = smq_save_hints(mq, &mq->dirty, fn, context); mutex_unlock(&mq->lock); return r; }