How to solve unreviewed code warning in JIRA when using bitbucket?

[Vid Jagodič]

In JIRA I have unreviewed code warning on issue. That issue has commit that was committed directly to master, so there was no pull request, we use Bitbucket server. Now I don't know how to solve this warning? Writing comment on commit does not help. Somewhere in documentation Approve button was mentioned but I dont see one? 

[Christopher Sheldon]

It's becoming more of a common model, especially in Continuous Delivery, that all code changes are pushed straight to master without the use of Feature Branching. No feature branching == no pull requests. But i'm desparate to have code reviews and JIRA reflect this nicely. 

We're thinking of doing post commit code reviews but i'm not sure how to reflect this in JIRA. Then there's the case of getting the warnings removed when the reviews been done..