jffs "device full" "no space"

I recently ran into a full JFFS2 system at /jffs due to bloated /jffs/.sys/TrafficAnalyzer folder. df reports that /jffs is 100% used on my router, and due to the design of JFFS, files can't be removed or edited if the disk if full. Therefore following commands are useless in this case...

Hi, I've finally gotten around to restoring my AC-RT86U to factory defaults (since upgrading to Merlin) and i'm now attempting to clear the jffs partition, but i'm having trouble. I've tried the GUI option of "Format JFFS partition at next boot" several times, but it is not working. I've...