On Mon, Aug 3, 2020 at 3:37 PM David Howells <dhowells@xxxxxxxxxx> wrote: > > Introduce an (effectively) non-repeating system-unique superblock ID that > can be used to determine that two objects are in the same superblock > without needing to worry about the ID changing in the meantime (as is > possible with device IDs). > > The counter could also be used to tag other features, such as mount > objects. > > Signed-off-by: David Howells <dhowells@xxxxxxxxxx> Reviewed-by: Miklos Szeredi <mszeredi@xxxxxxxxxx>