dovecot´s multiple quota roots

[Andreas Kasenides]

I am trying to find out how Dovecot behaves when there are multiple
quota roots.
I could not find something authoritative on this.
For example, on a nicely running server that used fs quota I now have in
90-quota.conf

plugin {
quota = fs:Mail Quota:user:mount=/Mail
quota2 = maildir:Mail User Quota
}

When I do

doveadm quota get -u atrige01

Quota name Type Value Limit
%
Mail Quota STORAGE 80036 204800
39
Mail User Quota STORAGE 79306 -
0
Mail User Quota MESSAGE 304 -
0

Apparently both STORAGE quotas values are the same. The question is
which of the two
is being used by Dovecot. If I insert a limit on the maildir quota which
of the two will be used?
I am using Dovecot 2.2.12.

thank you