mount options for jffs2

[Folkert van Heusden]

>> And do you know which mount-options are supported?
>
> Depends on which filesystems you have enabled, as well as which filesystem-
> specific mount options are supported. Busybox is agnostic about this and tries
> to honor the mount options you provide it with, which does not mean it will
> succeed.

I meant for jffs2 (I was redirected to this list for jffs2 talk).