The midfielder is on-loan from Manchester City, where his contract expires in June.
"The manager made it clear we'll discuss things in the summer and to concentrate on football, that's what I need to do," Barry told The Sun.
"Let's focus on the end of the season, hope it is successful and take it from there.
"I'm 33 so it will probably be my last contract. I want to make sure it is the right one."
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