1226 	struct scatterlist *dsg = cmd->t_data_sg, *psg;  in sbc_dif_generate()  local
1234 		daddr = kmap_atomic(sg_page(dsg)) + dsg->offset;  in sbc_dif_generate()
1241 			if (offset >= dsg->length) {  in sbc_dif_generate()
1242 				offset -= dsg->length;  in sbc_dif_generate()
1243 				kunmap_atomic(daddr - dsg->offset);  in sbc_dif_generate()
1244 				dsg = sg_next(dsg);  in sbc_dif_generate()
1245 				if (!dsg) {  in sbc_dif_generate()
1249 				daddr = kmap_atomic(sg_page(dsg)) + dsg->offset;  in sbc_dif_generate()
1253 			avail = min(block_size, dsg->length - offset);  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()
1284 		kunmap_atomic(daddr - dsg->offset);  in sbc_dif_generate()
1381 	struct scatterlist *dsg = cmd->t_data_sg;  in sbc_dif_verify()  local
1391 		daddr = kmap_atomic(sg_page(dsg)) + dsg->offset;  in sbc_dif_verify()
1399 			if (dsg_off >= dsg->length) {  in sbc_dif_verify()
1400 				dsg_off -= dsg->length;  in sbc_dif_verify()
1401 				kunmap_atomic(daddr - dsg->offset);  in sbc_dif_verify()
1402 				dsg = sg_next(dsg);  in sbc_dif_verify()
1403 				if (!dsg) {  in sbc_dif_verify()
1407 				daddr = kmap_atomic(sg_page(dsg)) + dsg->offset;  in sbc_dif_verify()
1422 			avail = min(block_size, dsg->length - dsg_off);  in sbc_dif_verify()
1425 				kunmap_atomic(daddr - dsg->offset);  in sbc_dif_verify()
1426 				dsg = sg_next(dsg);  in sbc_dif_verify()
1427 				if (!dsg) {  in sbc_dif_verify()
1431 				daddr = kmap_atomic(sg_page(dsg)) + dsg->offset;  in sbc_dif_verify()
1440 				kunmap_atomic(daddr - dsg->offset);  in sbc_dif_verify()
1451 		kunmap_atomic(daddr - dsg->offset);  in sbc_dif_verify()