1239 	struct scatterlist *dsg = cmd->t_data_sg, *psg;  in sbc_dif_generate()  local
1247 		daddr = kmap_atomic(sg_page(dsg)) + dsg->offset;  in sbc_dif_generate()
1254 			if (offset >= dsg->length) {  in sbc_dif_generate()
1255 				offset -= dsg->length;  in sbc_dif_generate()
1256 				kunmap_atomic(daddr - dsg->offset);  in sbc_dif_generate()
1257 				dsg = sg_next(dsg);  in sbc_dif_generate()
1258 				if (!dsg) {  in sbc_dif_generate()
1262 				daddr = kmap_atomic(sg_page(dsg)) + dsg->offset;  in sbc_dif_generate()
1266 			avail = min(block_size, dsg->length - offset);  in sbc_dif_generate()
1269 				kunmap_atomic(daddr - dsg->offset);  in sbc_dif_generate()
1270 				dsg = sg_next(dsg);  in sbc_dif_generate()
1271 				if (!dsg) {  in sbc_dif_generate()
1275 				daddr = kmap_atomic(sg_page(dsg)) + dsg->offset;  in sbc_dif_generate()
1297 		kunmap_atomic(daddr - dsg->offset);  in sbc_dif_generate()
1394 	struct scatterlist *dsg = cmd->t_data_sg;  in sbc_dif_verify()  local
1404 		daddr = kmap_atomic(sg_page(dsg)) + dsg->offset;  in sbc_dif_verify()
1412 			if (dsg_off >= dsg->length) {  in sbc_dif_verify()
1413 				dsg_off -= dsg->length;  in sbc_dif_verify()
1414 				kunmap_atomic(daddr - dsg->offset);  in sbc_dif_verify()
1415 				dsg = sg_next(dsg);  in sbc_dif_verify()
1416 				if (!dsg) {  in sbc_dif_verify()
1420 				daddr = kmap_atomic(sg_page(dsg)) + dsg->offset;  in sbc_dif_verify()
1435 			avail = min(block_size, dsg->length - dsg_off);  in sbc_dif_verify()
1438 				kunmap_atomic(daddr - dsg->offset);  in sbc_dif_verify()
1439 				dsg = sg_next(dsg);  in sbc_dif_verify()
1440 				if (!dsg) {  in sbc_dif_verify()
1444 				daddr = kmap_atomic(sg_page(dsg)) + dsg->offset;  in sbc_dif_verify()
1453 				kunmap_atomic(daddr - dsg->offset);  in sbc_dif_verify()
1464 		kunmap_atomic(daddr - dsg->offset);  in sbc_dif_verify()