# File lib/fog/openstack/requests/compute/create_volume.rb, line 6
        def create_volume(name, description, size, options={})
          data = {
            'volume' => {
              'display_name'        => name,
              'display_description' => description,
              'size'                => size
            }
          }

          vanilla_options = ['snapshot_id']
          vanilla_options.select{|o| options[o]}.each do |key|
            data['volume'][key] = options[key]
          end
          request(
            :body     => MultiJson.encode(data),
            :expects  => [200, 202],
            :method   => 'POST',
            :path     => "os-volumes"
          )
        end