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

[Mickaël Salaün]

On Fri, Oct 11, 2024 at 06:23:48AM -0700, Christoph Hellwig wrote:
> On Fri, Oct 11, 2024 at 03:20:30PM +0200, Mickaël Salaün wrote:
> > On Fri, Oct 11, 2024 at 05:54:37AM -0700, Christoph Hellwig wrote:
> > > On Fri, Oct 11, 2024 at 02:47:14PM +0200, Mickaël Salaün wrote:
> > > > How to get the inode number with ->getattr and only a struct inode?
> > > 
> > > You get a struct kstat and extract it from that.
> > 
> > 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.