Read a full tmap object. See rados_tmap_put() for the format the
data is returned in.
@param io ioctx
@param o object name
@param buf buffer
@param buflen buffer length in bytes
@returns 0 on success, negative error code on failure
@returns -ERANGE if buf isn't big enough
Fetch complete tmap (trivial map) object
Read a full tmap object. See rados_tmap_put() for the format the data is returned in.
@param io ioctx @param o object name @param buf buffer @param buflen buffer length in bytes @returns 0 on success, negative error code on failure @returns -ERANGE if buf isn't big enough