Scanner ignoring files with long paths

> Just noticed something wrong in my music library - a bunch of files with
> really long paths (above 256) are being skipped by the scanner and also
> not shown if I browse the folder.

Are they just above 256, or really much longer? After quickly skimming
the scanner's code I wouldn't have expected the path length to be a
problem before 1024 characters. Maybe double byte characters etc. add
some to yours. But would you reach 1k?