Yes. agree So we have two types of errors 1) expected errors: EDQUOT 2) fatal errors: (EIO/ENOSPC/ENOMEM) So we need two types of flags: 1)FORCE (IMHO it is better name than you proposed) to allow exceed a quota limit 2)NOFAIL to allow ignore fatal errors. We still need NOFAIL, because for example if something is happens in ->write_page() ->dquot_claim() update_quota() -> EIO /* update disk quota */ uptage_bytes() /* update i_bytes count */ It is obvious that write_page ...