Controller function naming - Best Practices?

[eluser]dabadguy[/eluser]
Hi everyone,

Been using other MVC frameworks for a while but am loving CodeIgniter. One thing I have never been quite sure about with MVC is knowing when to separate the functions into different controllers.

Problem:

Site has admin control panel.

Admin logs in through www.site.com/admin/index

Admin wants to add a user through www.site.com/admin/addUser and takes them to a form where they enter the new user details

When form is submitted the action goes to www.site.com/admin/userAdded in this function, the information submitted into the form is added to the data base through the user model. After user is added, browser goes back to www.site.com/admin/index

My question is when the form is submitted should it go to www.site.com/user/addUser ?

The way I have it set up now I find it a bit confusing to have admin/addUser and admin/userAdded

Just curious to see what others do or what the best practice is.

Many thanks,