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.