Re: [RFC PATCH v1 1/7] fs: Add inode_get_ino() and implement get_ino() for NFS

Christoph Hellwig
2024-10-11T14:39:34Z

On Fri, Oct 11, 2024 at 03:52:42PM +0200, Mickaël Salaün wrote:
> > > Yes, but how do you call getattr() without a path?
> >
> > You don't because inode numbers are irrelevant without the path.
>
> They are for kernel messages and audit logs. Please take a look at the
> use cases with the other patches.

It still is useless. E.g. btrfs has duplicate inode numbers due to
subvolumes.

If you want a better pretty but not useful value just work on making
i_ino 64-bits wide, which is long overdue.