I would only suggest one very tiny change. In go.mod we have:

    module lab.nexedi.com/nexedi/wendelin.core/wcfs

    go 1.14

I think this needs to be updated to go 1.19 due to atomic.Int64.

And maybe we just need general go mod tidy update.

/reviewed-by @kirr
/reviewed-on nexedi/wendelin.core!18