On Tue, Aug 27, 2024 at 01:41:08AM +0000, Hongbo Li wrote: > Many mainstream file systems already support the GETVERSION ioctl, > and their implementations are completely the same, essentially > just obtain the value of i_generation. We think this ioctl can be > implemented at the VFS layer, so the file systems do not need to > implement it individually. > > Signed-off-by: Hongbo Li <lihongbo22@xxxxxxxxxx> Nope. No. Definitely not. I definitely do not want unprivileged users to be able to construct arbitrary file handles in userspace..... -Dave. -- Dave Chinner david@xxxxxxxxxxxxx