nvf_ops
nvfdp->nvf_ops = ops;
#define nvf_cache_path nvf_ops->nvfr_cache_path
#define nvf_unpack_nvlist nvf_ops->nvfr_unpack_nvlist
#define nvf_pack_list nvf_ops->nvfr_pack_list
#define nvf_list_free nvf_ops->nvfr_list_free
#define nvf_write_complete nvf_ops->nvfr_write_complete
nvf_ops_t *nvf_ops; /* client ops vectors */