1256 	struct scatterlist *dsg = cmd->t_data_sg, *psg;  in sbc_dif_generate()  local
1264 		daddr = kmap_atomic(sg_page(dsg)) + dsg->offset;  in sbc_dif_generate()
1271 			if (offset >= dsg->length) {  in sbc_dif_generate()
1272 				offset -= dsg->length;  in sbc_dif_generate()
1273 				kunmap_atomic(daddr - dsg->offset);  in sbc_dif_generate()
1274 				dsg = sg_next(dsg);  in sbc_dif_generate()
1275 				if (!dsg) {  in sbc_dif_generate()
1279 				daddr = kmap_atomic(sg_page(dsg)) + dsg->offset;  in sbc_dif_generate()
1283 			avail = min(block_size, dsg->length - offset);  in sbc_dif_generate()
1286 				kunmap_atomic(daddr - dsg->offset);  in sbc_dif_generate()
1287 				dsg = sg_next(dsg);  in sbc_dif_generate()
1288 				if (!dsg) {  in sbc_dif_generate()
1292 				daddr = kmap_atomic(sg_page(dsg)) + dsg->offset;  in sbc_dif_generate()
1314 		kunmap_atomic(daddr - dsg->offset);  in sbc_dif_generate()
1411 	struct scatterlist *dsg = cmd->t_data_sg;  in sbc_dif_verify()  local
1421 		daddr = kmap_atomic(sg_page(dsg)) + dsg->offset;  in sbc_dif_verify()
1429 			if (dsg_off >= dsg->length) {  in sbc_dif_verify()
1430 				dsg_off -= dsg->length;  in sbc_dif_verify()
1431 				kunmap_atomic(daddr - dsg->offset);  in sbc_dif_verify()
1432 				dsg = sg_next(dsg);  in sbc_dif_verify()
1433 				if (!dsg) {  in sbc_dif_verify()
1437 				daddr = kmap_atomic(sg_page(dsg)) + dsg->offset;  in sbc_dif_verify()
1452 			avail = min(block_size, dsg->length - dsg_off);  in sbc_dif_verify()
1455 				kunmap_atomic(daddr - dsg->offset);  in sbc_dif_verify()
1456 				dsg = sg_next(dsg);  in sbc_dif_verify()
1457 				if (!dsg) {  in sbc_dif_verify()
1461 				daddr = kmap_atomic(sg_page(dsg)) + dsg->offset;  in sbc_dif_verify()
1470 				kunmap_atomic(daddr - dsg->offset);  in sbc_dif_verify()
1481 		kunmap_atomic(daddr - dsg->offset);  in sbc_dif_verify()