* Mod: Do LayeredFs loading Parallel to improve speed
This fixes and superseed #5672 due to inactivity, nothing more.
(See original PR for description)
Testing are welcome.
Close#5661
* Addresses gdkchan's feedback
* commit to test mako change
* Revert "commit to test mako change"
This reverts commit 8b0caa8a21db298db3dfcbe5b7e9029c4f066c46.