Blob Properties

These properties control how certain blob operations work.

dcpl: An HDF5 dataset creation property list to be used by ss_blob_mkstorage when creating
a new dataset.
dset: If specified and positive then only blobs stored on this dataset
are synchronized in a call to ss_blob_synchronize.
name: If supplied, then ss_blob_mkstorage will create the dataset with the specified name
in addition to linking it into the “Blob-Storage” group as usual.