On 2020/8/19 03:49, Christoph Hellwig wrote: > On Wed, Aug 19, 2020 at 12:33:37AM +0800, Coly Li wrote: >> On 2020/8/19 00:24, Christoph Hellwig wrote: >>> I think we should go for something simple like this instead: >> >> This idea is fine to me. Should a warning message be through here? IMHO >> the driver still sends an improper page in, fix it in silence is too >> kind or over nice to the buggy driver(s). > > I don't think a warning is a good idea. An API that does the right > thing underneath and doesn't require boiler plate code in most callers > is the right API. > Then I don't have more comment. Thanks. Coly Li