On Tue, 28 May 2024 at 04:45, Jingbo Xu <jefflexu@xxxxxxxxxxxxxxxxx> wrote: > Yeah I indeed had considered this, but I'm afraid VFS guys would be > concerned about why we do this on kernel side rather than in user space. > > I'm not sure what the VFS guys think about this and if the kernel side > shall care about this. Yes, that is indeed something that needs to be discussed. I often find, that when discussing something like this a lot of good ideas can come from different directions, so it can help move things forward. Try something really simple first, and post a patch. Don't overthink the first version. Thanks, Miklos