nvmet_rw_data_len
return nvmet_rw_data_len(req) + metadata_len;
unsigned int total_len = nvmet_rw_data_len(req) + req->metadata_len;
if (!nvmet_check_transfer_len(req, nvmet_rw_data_len(req)))
u32 data_len = nvmet_rw_data_len(req);
if (!nvmet_check_transfer_len(req, nvmet_rw_data_len(req)))