From: linux – How to correctly partition usb flash drive and which filesystem to choose considering wear leveling? – Super User an useful little change to fstab for usb sticks or SD attached to your ARM boards, like Raspberries or Inforce 6410:
Also, in your fstab, be sure to use the mount option “noatime” to avoid unnecessary writes every time a file is accessed.
As normal settings usually tend to wear out the flash relatively fast.