Linux filesystems are not encoding aware. Paths are just treated as opaque byte strings. However, there is ongoing work add configurable safe filenames to Linux: https://lwn.net/Articles/686789/
But it won't allow you to force ISO-8859-1 in this form. However you could filter out non-ASCII characters.
But it won't allow you to force ISO-8859-1 in this form. However you could filter out non-ASCII characters.