cachefspack — Pack Files and File Systems in the Cache
/usr/lib/fs/cachefs/cachefspack [-h][-i | -p | -u][-f packing-list] [-U cache-directory][file...]
Use the cachefspack command to set up and maintain files in the cache. This command affords greater control over the cache, ensuring that the specified files are in the cache whenever possible.
|Specify a file containing a list of files and directories to be packed. You can also specify options within subdirectories and files. The format and rules governing packing-list are described on the packingrules(4) manual page. Directories are packed recursively. Symbolic links that match a regular expression on a LIST command are followed. Symbolic links ...|