Good thing. I saw this post in time to do it.
Keep your existing 15GB base storage on OneDrive before it drops to 5GB on Jan 31, 2016. Go to the link below, click on the button while signed in to OneDrive and your account will not be affected when the amount of free storage changes from 15 GB to 5 GB and the +15 GB camera roll bonus is discontinued.*
REDEMPTION: Keep your 15GB based storage on OneDrive