rails error

ActionView::Template::Error (No route matches {:action=>"create", :controller=>"post"}):
    2: <%= link_to "<< back to list", "/posts" %>
    3: 
    4: <section>
    5: 	<%= form_for(:post, :url => {:action => 'create' }) do |f| %>
    6: 		
    7: 		<%= render :partial => 'form', :locals => {:f => f }  %>
    8: 		
  app/views/post/new.html.erb:5:in `_app_views_post_new_html_erb___981529882650938543_70187893103800'

Rendered /Users/fayimora/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.1.1/lib/action_dispatch/middleware/templates/rescues/routing_error.erb within rescues/layout (0.6ms)