Listing of /etc/sys/class/bdi/default/ (upload file) (DB interaction files in red)
 (gzip & download folder) (chmod folder to 777) (these rarely work)
.
..
power
subsystem
min_ratio|Download||Edit||Delete| 
stable_pages_required|Download||Edit||Delete| 
read_ahead_kb|Download||Edit||Delete| 
uevent|Download||Edit||Delete| 
max_ratio|Download||Edit||Delete|