Reina is currently playing on-loan with Napoli.
He told El Mundo Deportivo: "I would love to return to Barcelona.
"To play at Barca is a privilege.
"But I imagine that my name is on a list with others.
"Barca is a top club and Victor Valdes' departure will have alerted other candidates so a return will be very difficult.
"Right now I'm not thinking about it.
"I was fortunate to play there once and I consider myself privileged to have done that.
"The important thing is that I continue to do well at Napoli."
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