Barca and Manchester United are chasing the Spain international.
"[The rumours are] neither pleasant nor uncomfortable," he told RAC 1.
"I always said that Barca is the team that plays the best football and they have very good players, who are also here with the national team.
"I get along very well with the Barcelona players, but also with other [Spain] team-mates.
"I want to focus on the national team and see what happens. A lot of things are being said but, personally, I'm concentrated on what's happening here."