L9P_ACE_ADD_FILE
error = check_access(L9P_ACE_ADD_FILE,
op = S_ISDIR(cst.st_mode) ? L9P_ACE_ADD_SUBDIRECTORY : L9P_ACE_ADD_FILE;
op = S_ISDIR(fst.st_mode) ? L9P_ACE_ADD_SUBDIRECTORY : L9P_ACE_ADD_FILE;
L9P_ACE_ADD_FILE;
op = isdir ? L9P_ACE_ADD_SUBDIRECTORY : L9P_ACE_ADD_FILE;
L9P_ACE_ADD_FILE | L9P_ACE_ADD_SUBDIRECTORY);
panswer = l9p_check_aces(L9P_ACE_ADD_FILE | L9P_ACE_EXECUTE,
L9P_ACE_ADD_FILE | L9P_ACE_ADD_SUBDIRECTORY |