NTFS-3g can create files and directories etc. on NTFS (albeit it doesn't do journaling, that's why it requires you to have a clean journal). Having a proper kernel driver is mostly about performance, not features. The current built-in kernel driver for NTFS is completely read-only though.
> The current built-in kernel driver for NTFS is completely read-only though.
Not quite:
> CONFIG_NTFS_RW:
> This enables the partial, but safe, write support in the NTFS driver.
> The only supported operation is overwriting existing files, without changing the file length. No file or directory creation, deletion or renaming is possible. Note only non-resident files can be written to you may find that some very small files (<500 bytes or so) cannot be written to.
