This is not likely to be a particularly big issue on iOS, because the file system isn't directly exposed to the user (and therefore the user can't go making cha

This is not likely to be a particularly big issue on iOS, because the file system isn't directly exposed to the user (and therefore the user can't go making changes behind the app's back). There are of course still edge cases that could cause a problem, but they're going to be relatively rare. But this may become a much bigger issue when we start using APFS on macOS.