On Fri, 04 Jul 2025, NeilBrown wrote: > > Otherwise it makes sense for exploring how to optimise IO. > > Reviewed-by: NeilBrown <neil@xxxxxxxxxx> Actually - I take that back. generic_fadvise() is the wrong interface. It is for filesystems to use if the don't have any special requirements, and for vfs_fadvise() to use if the file system hasn't give a function to use. nfsd should be calling vfs_fadvise(). NeilBrown