rake routes

        root        /                            torrents#index {:subdomain=>"admin"}
        root        /                            static#home
    torrents GET    /torrents(.:format)          torrents#index
             POST   /torrents(.:format)          torrents#create
 new_torrent GET    /torrents/new(.:format)      torrents#new
edit_torrent GET    /torrents/:id/edit(.:format) torrents#edit
     torrent GET    /torrents/:id(.:format)      torrents#show
             PUT    /torrents/:id(.:format)      torrents#update
             DELETE /torrents/:id(.:format)      torrents#destroy

routes.rb

RorTorrent::Application.routes.draw do
  constraints :subdomain => 'admin' do
    root :to => 'torrents#index'
  end

  root :to => 'static#home'

  get 'torrents', :to => 'torrents#index'
end