Roel, > Unsigned `len' cannot be less than 0. > > Signed-off-by: Roel Kluin <roel.kluin at gmail.com> Thanks for the patch. However, we have a patch from Christoph Hellwig pending that will rework the sputrace code: http://patchwork.ozlabs.org/patch/28641/ It's currently queued in benh's tree, should be up soon. Cheers, Jeremy