cachefilesd software package provides support fscache on already mounted filesystem, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install cachefilesd
cachefilesd is installed in your system.
Make ensure the cachefilesd package were installed using the commands given below,
$ sudo dpkg-query -l | grep cachefilesd *
You will get with cachefilesd package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Miscellaneous |
| Package | cachefilesd |
| Version | 0.10.5-1 |
| Description | support fscache on already mounted filesystem |
| Sub Section | Misc |