On Mon, Aug 02, 2021 at 03:32:45PM -0500, Patrick Goetz wrote: > On 8/2/21 7:39 AM, J. Bruce Fields wrote: > >On Mon, Aug 02, 2021 at 02:18:29PM +1000, NeilBrown wrote: > >>For btrfs, the "location" is root.objectid ++ file.objectid. I think > >>the inode should become (file.objectid ^ swab64(root.objectid)). This > >>will provide numbers that are unique until you get very large subvols, > >>and very many subvols. > > > >If you snapshot a filesystem, I'd expect, at least by default, that > >inodes in the snapshot to stay the same as in the snapshotted > >filesystem. > > For copy on right systems like ZFS, how could it be otherwise? I'm reacting to Neil's suggesting above, which (as I understand it) would result in different inode numbers. --b.
