On Thu, Oct 17, 2024 at 10:54:12AM -0400, Paul Moore wrote: > Okay, good to know, but I was hoping that there we could come up with > an explicit list of filesystems that maintain their own private inode > numbers outside of inode-i_ino. Anything using iget5_locked is a good start. Add to that file systems implementing their own inode cache (at least xfs and bcachefs).