* They name is a stringified version of key; increment its value by
* delta. Zero values will be zap_remove()-ed.
*/
-int zap_increment_int(objset_t *os, uint64_t obj, uint64_t key, int64_t delta,
- dmu_tx_t *tx);
int zap_increment(objset_t *os, uint64_t obj, const char *name, int64_t delta,
dmu_tx_t *tx);