struct device *dev = &ireq->i2o_blk_dev->i2o_dev->iop->pdev->dev;
enum dma_data_direction direction;
static inline void i2o_block_sglist_free(struct i2o_block_request *ireq){	struct device *dev = &ireq->i2o_blk_dev->i2o_dev->iop->pdev->dev;	dma_unmap_sg(dev, ireq->sg_table, ireq->sg_nents,		     ireq->sg_dma_direction);};