selectively disabling atime updates?

[Edgar Fuß <ef%math.uni-bonn.de@localhost>]

> Yes, but I have to question whether and why it would improve performance
> in this case.  The stream of atime updates is still happening on the
> underlying filesystem, and that is still where you will be doing almost
> all of your reads from.
My intent was to mount the snapshot ro,noatime and operate on that.
Am I again missing something stupid?