On Wed, Dec 23, 2020 at 08:31:26AM +0000, Christoph Hellwig wrote: > Can we please make the eBPF code stop referencing this function instead > of papering over this crap? It has no business poking into page cache > internals. The reference from the BPF code is simply "you can inject errors here". And I think we want to be able to inject errors to test the error paths, no?