+++ This bug was initially created as a clone of Bug #1057043 +++ Various storage providers allow enhancements for NFS mounts with specific mount options (e.g., see bug 1057043). This RFE is a the minimal requirement, to allow passing custom option from the GUI/REST all the way down to the mount command VDSM executes.
oVirt 3.5 has been released and should include the fix for this issue.