zap_f
((uint64_t *)(zap)->zap_f.zap_phys) \
#define FZAP_BLOCK_SHIFT(zap) ((zap)->zap_f.zap_block_shift)
mutex_init(&zap->zap_f.zap_num_entries_mtx, 0, 0, 0);
zap->zap_f.zap_block_shift = highbit64(zap->zap_dbuf->db_size) - 1;
mutex_enter(&zap->zap_f.zap_num_entries_mtx);
mutex_exit(&zap->zap_f.zap_num_entries_mtx);
mutex_enter(&zap->zap_f.zap_num_entries_mtx); /* unnecessary */
mutex_exit(&zap->zap_f.zap_num_entries_mtx);
mutex_init(&zap->zap_f.zap_num_entries_mtx, 0, 0, 0);
zap->zap_f.zap_block_shift = highbit64(db->db_size) - 1;
mutex_destroy(&zap->zap_f.zap_num_entries_mtx);
mutex_destroy(&zap->zap_f.zap_num_entries_mtx);