Carbon impact of Icelandic volcano

What impact is Icelandic volcano having on carbon emissions?  A negative one according to this green-bang article http://www.greenbang.com/will-icelands-volcanic-eruption-be-natural-geoengineering_14207.html

There is also a good article in this week's New Scientist http://www.newscientist.com/article/dn18786-get-ready-for-decades-of-icelandic-fireworks.html