posixovl is a FUSE based successor of the old UMSDOS. It has a goal to provide POSIX file system functionality on top of vfat. Its code is nice and well written, but its feature set is not complete yet. It just supports: POSIX modes and user/group, hard and symbolic links, device nodes and named pipes.

Much more can be done:

• XATTR support

• ACL support

• acurrate time stamps

• support for local time stamps => UNIX time conversion with DST heuristics

• support for obscure characters in file names allowed by POSIX but not allowed by underlying file systems

• case sensitivity without clashes

• shortname case sensitivity without clashes (independent of shortname= option)

• long names without risk of overflow (and long names even on top of 8+3 file systems)

• support for file systems that don't support files starting by dot

• per volume configuration

• implement checks for per volume configuration

• ctime, mtime, atime