Needs more cases in the generic passup. In fact, one would think it would be default: case BLKRAGET: case BLKRASET: case BLKFLSBUF: case BLKBSZGET: case BLKBSZSET: return blk_ioctl(Inode->i_rdev, Request, Argument);
fix committed to cvs
driver appears to have changed a lot. Can't verify specific fix without more detail, but also haven't seen related complaints since fix was committed to CVS. closing.