1. A method for accessing a data storage device controlled by array controller processes, the method including the steps of: (a) receiving a file system access operation request; (b) determining if the file system access operation request specifies an operation comprising a divertible operation; (c) if the file system access operation request specifies a divertible operation, diverting the divertible operation from file system processes associated with the data storage device to the array controller processes; (d) performing the divertible operation with the array controller processes; and (e) updating a file system data management arrangement with operation result information from the array controller processes, the file system data management arrangement being controlled by the file system processes.