of the block bitmap could be computed wrong - this could cause all sorts of errors like: overwriting data, creating the "new_vnode with different cookie" problem, etc. Should really be the last bug in that piece of code ;-P git-svn-id: file:///srv/svn/repos/haiku/trunk/current@3331 a95241bf-73f2-0310-859d-f6bbb57e9c96