On 2024-07-05 01:20, Christoph Hellwig wrote: > Btw, sorry if I mislead you with my WARN_ON_ONCE suggestion. That > was always intended in addition to the error handling, not instead. > (In fact there are very few reasons to use WARN_ON* without actually > handling the error as well). Yeah, I should have caught that. Thanks for the feedback, Christoph! I'll submit a new version later today. > Yes, doing the same for ->close or anything unimplemented would be > nice. But it's not really in scope for this series. > > kernfs really should be using it's own ops instead of abusing > file_operations, but that's even more out of scope.. Ok, I'll add the ->page_mkwrite with the WARN but leave the ->close the way it is. Martin