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

[Jan Kara]

On Thu 17-10-24 08:25:19, Christoph Hellwig wrote:
> On Thu, Oct 17, 2024 at 11:15:49AM -0400, Paul Moore wrote:
> > Also good to know, thanks.  However, at this point the lack of a clear
> > answer is making me wonder a bit more about inode numbers in the view
> > of VFS developers; do you folks care about inode numbers?
> 
> The VFS itself does not care much about inode numbers.  The Posix API
> does, although btrfs ignores that and seems to get away with that
> (mostly because applications put in btrfs-specific hacks).

Well, btrfs plays tricks with *device* numbers, right? Exactly so that
st_ino + st_dev actually stay unique for each file. Whether it matters for
audit I don't dare to say :). Bcachefs does not care and returns non-unique
inode numbers.

								Honza
-- 
Jan Kara <jack at suse.com>
SUSE Labs, CR