A big score against Carlton has eased Sydney coach Paul Roos' concerns about the prospect of being without star forwards Michael O'Loughlin and Barry Hall.

With Hall's return date from a club-imposed suspension still to be determined and O'Loughlin injuring his ankle against the Blues, the Swans are unsure whether either will be available to take on Adelaide at the SCG next Saturday night.

But, after nine Swans kicked goals - and O'Loughlin was not one of them - in the club's 18.13 (121) to 18.11 (119) win over the Blues, Roos has confidence his attack can cope.

"We need Mick and we'd love Hally, so if we can get them both back obviously that's pretty important, but I thought (today's performance) was really important for the group as a whole," Roos said.

"... The forward line, they're just very smart at the moment, they're all playing their roles really, really well and adjusting to their opponents and all those sorts of things.

"So hopefully Mick plays next week and hopefully Hally's not too far away, but I think today we showed that we can kick some reasonable scores without Hally and Mick contributing."

Jarrad McVeigh (four goals) and Ryan O'Keefe (three) were the biggest scoreboard contributors today.

While the Swans are unsure of the seriousness of O'Loughlin's ankle injury, a hamstring strain to full-back Leo Barry is likely to sideline him for several weeks.

Roos also said Adam Goodes, who was well beaten by Carlton youngster Bryce Gibbs today, was feeling the effects of a groin strain, although he played out the game.

"He's just had a slight groin problem that he's been dealing with, so hopefully he's not too bad, last week he was fine, I don't know whether it's a slight strain, but hopefully he'll be okay for next week," he said.

As for Hall, Roos said it was possible he could play against the Crows, but it remained in the hands of club psychologist Grant Brecht.

"He'll return when he's cleared to play, both from Grant and myself and hopefully that's not too far away," Roos said.

The Swans coach also backed last week's call by Collingwood coach Mick Malthouse for the AFL to look at altering interchange bench rules to help clubs cope with injuries during games.

"I don't know what the answer is, but it's certainly time to have a discussion about it, time to have a talk about it, because it is having a significant impact on results of games," he said.

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