perform_admin_operation
result = perform_admin_operation(vdo, PRE_LOAD_PHASE_START, pre_load_callback,
result = perform_admin_operation(vdo, PREPARE_GROW_PHYSICAL_PHASE_START,
result = perform_admin_operation(vdo, SUSPEND_PHASE_START, suspend_callback,
result = perform_admin_operation(vdo, GROW_LOGICAL_PHASE_START,
result = perform_admin_operation(vdo, GROW_PHYSICAL_PHASE_START,
result = perform_admin_operation(vdo, LOAD_PHASE_START, load_callback,
perform_admin_operation(vdo, SUSPEND_PHASE_START,
perform_admin_operation(vdo, SUSPEND_PHASE_START,
result = perform_admin_operation(vdo, RESUME_PHASE_START, resume_callback,