On a Tuesday in 2024, Abhisar Sinha wrote: You should be able to pass arbitrary mount options by using the (non-guaranteed) XML namespace: https://libvirt.org/formatstorage.html#storage-pool-namespaces The most difficult would probably be deciding on the XML (and whether we want to expose this option in the XML). Code-wise, we only seem to support the 'nfsvers' mount option for NFS via regular XML. Jano