https://bugs.winehq.org/show_bug.cgi?id=36546
--- Comment #8 from Bruno Jesus 00cpxxx@gmail.com --- I can confirm that Futuremark SystemInfo will not install inside tmpfs drive, but it will in ramfs.
AFAIK the difference between tmpfs and ramfs is that ramfs will grow if full while tmpfs will not. Is this enough for you to solve this bug?