Description of problem:

Specifying an option for glusterd of the format mountbroker-georeplication.*
does not take effect.

Version-Release number of selected component (if applicable):


How reproducible:

Deterministically.

Steps to Reproduce:
1. Set up mountbroker service for geo-replication as discussed in

https://docspace.corp.redhat.com/docs/DOC-93046#for-gluster-slaves-uprivileged-agent
2. Start glusterd with respective volfile.
3. Try to use the mountbroker service with

  gluster system:: mount <user> volfile-server=localhost volfile-id=<volname> client-pid=-1 user-map-root=<user> 'xlator-option=*-dht.assert-no-child-down=true'

(in the example at referred place, <user> is "geonobody" and <volname> is "slavevol").

Actual results:

Error message "2 : failed with this errno (No such file or directory)"

Expected results:

Return with success.

Additional info:

@Venky: issue was already discussed in our Google Chat conversation as of 23rd Jan, please check it.