guarded by fsnamesystem #readlock concode_field_sep boolean isSuper concode_elem_sep Log LOG concode_elem_sep UserGroupInformation ugi concode_elem_sep Set<String> groups concode_elem_sep String user concode_field_sep boolean containsGroup concode_elem_sep void checkOwner concode_elem_sep void checkPermission concode_elem_sep String toAccessControlString concode_elem_sep void checkSuperuserPrivilege concode_elem_sep String getUser concode_elem_sep void checkStickyBit concode_elem_sep boolean isSuperUser concode_elem_sep void checkTraverse concode_elem_sep void checkSubAccess
void function ( INode [ ] arg0 , int arg1 , Snapshot arg2 , FsAction arg3 ) { check ( arg1 >= 0 ? arg0 [ arg1 ] : null , arg2 , arg3 ) ; }