added programs to export and import filesystems over the network

exec/exportfs.lua

@@ -0,0 +1,11 @@
+local rpcs = require "rpc"
+local ufs = require "unionfs"
+
+local tA = {...}
+local path = "/"..table.concat(fs.segments(tA[1]),"/")
+
+local px = ufs.create(path)
+for k,v in pairs(px) do
+ rpcs.register(path.."_"..k,v)
+ print(path.."_"..k)
+end

exec/importfs.lua

@@ -0,0 +1,9 @@
+local rpc = require "rpc"
+local tA = {...}
+local host, rpath, lpath = tA[1], tA[2], tA[3]
+
+local px = rpc.proxy(host,rpath.."_")
+function px.getLabel()
+ return host..":"..rpath
+end
+fs.mount(lpath,px)