695 static int smc_ib_map_mr_sg(struct smc_buf_desc *buf_slot, u8 link_idx)  in smc_ib_map_mr_sg()  argument
701 	sg_num = ib_map_mr_sg(buf_slot->mr[link_idx],  in smc_ib_map_mr_sg()
702 			      buf_slot->sgt[link_idx].sgl,  in smc_ib_map_mr_sg()
703 			      buf_slot->sgt[link_idx].orig_nents,  in smc_ib_map_mr_sg()
711 			     struct smc_buf_desc *buf_slot, u8 link_idx)  in smc_ib_get_memory_region()  argument
713 	if (buf_slot->mr[link_idx])  in smc_ib_get_memory_region()
716 	buf_slot->mr[link_idx] =  in smc_ib_get_memory_region()
718 	if (IS_ERR(buf_slot->mr[link_idx])) {  in smc_ib_get_memory_region()
721 		rc = PTR_ERR(buf_slot->mr[link_idx]);  in smc_ib_get_memory_region()
722 		buf_slot->mr[link_idx] = NULL;  in smc_ib_get_memory_region()
726 	if (smc_ib_map_mr_sg(buf_slot, link_idx) !=  in smc_ib_get_memory_region()
727 			     buf_slot->sgt[link_idx].orig_nents)  in smc_ib_get_memory_region()
741 	for_each_sg(buf_slot->sgt[lnk->link_idx].sgl, sg,  in smc_ib_is_sg_need_sync()
742 		    buf_slot->sgt[lnk->link_idx].nents, i) {  in smc_ib_is_sg_need_sync()
764 	if (!(buf_slot->is_dma_need_sync & (1U << lnk->link_idx)))  in smc_ib_sync_sg_for_cpu()
768 	for_each_sg(buf_slot->sgt[lnk->link_idx].sgl, sg,  in smc_ib_sync_sg_for_cpu()
769 		    buf_slot->sgt[lnk->link_idx].nents, i) {  in smc_ib_sync_sg_for_cpu()
787 	if (!(buf_slot->is_dma_need_sync & (1U << lnk->link_idx)))  in smc_ib_sync_sg_for_device()
791 	for_each_sg(buf_slot->sgt[lnk->link_idx].sgl, sg,  in smc_ib_sync_sg_for_device()
792 		    buf_slot->sgt[lnk->link_idx].nents, i) {  in smc_ib_sync_sg_for_device()
810 				     buf_slot->sgt[lnk->link_idx].sgl,  in smc_ib_buf_map_sg()
811 				     buf_slot->sgt[lnk->link_idx].orig_nents,  in smc_ib_buf_map_sg()
823 	if (!buf_slot->sgt[lnk->link_idx].sgl->dma_address)  in smc_ib_buf_unmap_sg()
827 			buf_slot->sgt[lnk->link_idx].sgl,  in smc_ib_buf_unmap_sg()
828 			buf_slot->sgt[lnk->link_idx].orig_nents,  in smc_ib_buf_unmap_sg()
830 	buf_slot->sgt[lnk->link_idx].sgl->dma_address = 0;  in smc_ib_buf_unmap_sg()