You can use the "Commit graph" feature in FishEye - open your repository, select 'Commit graph' tab and select Highlight > Reviewed changesets. You can also use Highlight > JIRA issues.
We approach this same question slightly differently, looking for unreviewed commits on a branch, which allows us to verify that all commits are reviewed prior to merging the branch.
However, I needed to write a plugin to effectively get this information, it's available on the marketplace:
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG
We're bringing product updates and pro tips on teamwork to ten cities around the world.Save your spot