I'd better give you this link: MOTUB
It's a rather long article but it's very helpful. it gives you sound advice on how to share a win partition permanently on a Linux platform and explains mask022 better than I would.
Permissions are a bit of a hassle i fond for newbies, but such useful options, aren't they,, but motub tells you all you need to know about fstab at first. her instructions works very well, from my own experience --being a newbie, and simply knowing about rwx and chmod.
I think you adapt certain instructions to your own case - distros are varied, as they should be -- but if you follow every step you can't go wrong -- even if what she calls the "dummy user" is not needed, you can always create it.
On my Linux (Libranet) "owner" is not used, but anyway "uid" replaces it.
There's a line about NTFS partitions (read-only, shouldn't write on it = ro)
PS: there shouldn't any space between the words, not even after the ,:
user, ro, umask=022 should be user,ro,umask=022
Have a good read!