On Sat, Aug 29, 2020 at 6:14 PM Al Viro <viro@xxxxxxxxxxxxxxxxxx> wrote: > > On Sat, Aug 29, 2020 at 05:07:17PM +0100, Matthew Wilcox wrote: > > > > The fact that ADS inodes would not be in the dentry cache and hence > > > not visible to pathwalks at all then means that all of the issues > > > such as mounting over them, chroot, etc don't exist in the first > > > place... > > > > Wait, you've now switched from "this is dentry cache infrastructure" > > to "it should not be in the dentry cache". So I don't understand what > > you're arguing for. > > Bloody wonderful, that. So now we have struct file instances with no dentry > associated with them? Which would have to be taken into account all over > the place... It could have a temporary dentry allocated for the lifetime of the file and dropped on last dput. I.e. there's a dentry, but no cache. Yeah, yeah, d_path() issues, however that one will have to be special cased anyway. Thanks, Miklos
