On Mon, Aug 28, 2023 at 02:30:42PM +0200, Christian Brauner wrote: > On Mon, Aug 28, 2023 at 05:00:36AM -0700, Christoph Hellwig wrote: > > On Mon, Aug 28, 2023 at 11:50:56PM +0800, Kemeng Shi wrote: > > > use helpers for calling f_op->{read,write}_iter() in read_write.c > > > > > > > Why? We really should just remove the completely pointless wrappers > > instead. > > Especially because it means you chase this helper to figure out what's > actually going on. If there was more to it then it would make sense but > not just as a pointless wrapper. It's borderline easier to grep for, but not dramatically so. call_mmap() has a stronger argument in favour - there are several methods called ->mmap and telling one from another is hard without looking into context. For ->{read,write}_iter() I'd prefer to get rid of the wrappers.