Pep Guardiola hopes Dani Alves will commit to Barcelona, but will not block a possible departure.
The Brazilian defender is set to see his contract at Camp Nou expire in the summer of 2012, meaning he will be free to discuss a deal with other clubs in 12 months' time.
Reigning Primera Liga champions Barac are keen for him to stay put and hope fresh terms can be thrashed out, but appreciate that Alves may opt to take on a new challenge.
The 27-year-old remains a first-team regular under Guardiola, and is a key part of his plans heading forward, but the Barca boss insists he will not stand in the way of any player who wants to move on.
He said: "We have talked about it with Dani, I told him how I feel, and I do not want him to stay here while he is unhappy.
"He deserves to ask for what he wants, and the club has the right to give it, or not. I want him to be happy here, or anywhere."
Guardiola has also spoken out on the future of Eric Abidal and Thiago Alcantara, who are in a similar position to Alves.
He is confident a deal can be agreed with French full-back Abidal, while he has sought to assure teenage midfielder Alcantara that he has an important part to play at Camp Nou in the future.
On Abidal, he added: "The club is aware, I think that he will renew, and we want him to continue here because he is a very important player for us."
The highly-rated tactician also ruled out any possibility of Alcantara being allowed to leave, saying: "Thiago is not moving. Next year he will be in the first team. He stays."