The IRS has the legal right to offset a portion of your tax refund (not your return) for 2010 (not 2011) to pay for the past due taxes from an earlier year.
However, it is possible that they may make a mistake and send you the entire refund owed in 2010, which you then may be required to turn over to your bankruptcy trustee.
Basically, it is up to the IRS to act, and it is impossible to predict with certainty what they will do, because they mistakes too!
Hope this perspective helps!
I'm a little confused of what your actual question is. But, if you're asking whether or my your 2010 tax refund is subject to your bankruptcy, from the facts you've provided, the answer is no. Since you filed back in October 2010, you were not entitled to a tax refund for the 2010 year until 2011. As such, your 2010 tax return is not an asset of your bankruptcy estate. You should be receiving your tax refund and it should not be witheld.