802.11s meshing question

Hi there I have some Q about 802.11s meshing
I need to use mesh In my network but i have small problem it's work and work very nice in my test but problem i have multiple ap 3 ap with 120 degree sector antenna all these ap get connection from ethernet and I have some router connected on this AP my Q If i use same mesh I'd on all AP is it work fine or I get loop with them I use unmanaged switch for these ap