I searched in many place but I don't find an answer to my question. Same question has already posted here : https://serverfault.com/questions/534507/vagrant-nfs-share-doesnt-show-updated-file-if-size-doesnt-change
But the solution is only for Sublime Text. I use Jetbrain PhpStorm 8.
The problem is exactly the same, my NFS doesn't detect my file change if the file size doesn't change too.
Already two weeks with this problem, it will make me crazy.