H5VLdataset_specific

herr_t H5VLdataset_specific(void *  obj,  hid_t connector_id,  H5VL_dataset_specific_args_t *  args,
       hid_t dxpl_id,  void * *  req)

Performs a specific operation on a dataset through the VOL.

`obj`	Object containing dataset
`loc_params`	Location parameters
`connector_id`	VOL connector identifier
`args`	Specific operation arguments
`dxpl_id`	Data transfer property list
`req`	Async request object (can be null)

Non-negative on success, negative on failure.