function rpc_fs()
local util = require "luci.util"
local io = require "io"
- local fs2 = util.clone(require "luci.fs")
+ local fs2 = util.clone(require "nixio.fs")
local jsonrpc = require "luci.jsonrpc"
local http = require "luci.http"
local ltn12 = require "luci.ltn12"