CreateAttribute
Inode::CreateAttribute(Transaction& transaction, const char* name, uint32 type,
AttributeFile::CreateAttribute(const char *name, type_code type, int openMode,
Attribute::CreateAttribute(const char* name, const attr_info& info,
Attribute::CreateAttribute(const char* name, const attr_info& info,
Node::CreateAttribute(const char *name, Attribute **_attribute)