Revision 0b919fae block/qcow2-cluster.c
| b/block/qcow2-cluster.c | ||
|---|---|---|
| 1377 | 1377 |
|
| 1378 | 1378 |
nb_clusters = size_to_clusters(s, end_offset - offset); |
| 1379 | 1379 |
|
| 1380 |
s->cache_discards = true; |
|
| 1381 |
|
|
| 1380 | 1382 |
/* Each L2 table is handled by its own loop iteration */ |
| 1381 | 1383 |
while (nb_clusters > 0) {
|
| 1382 | 1384 |
ret = discard_single_l2(bs, offset, nb_clusters); |
| 1383 | 1385 |
if (ret < 0) {
|
| 1384 |
return ret;
|
|
| 1386 |
goto fail;
|
|
| 1385 | 1387 |
} |
| 1386 | 1388 |
|
| 1387 | 1389 |
nb_clusters -= ret; |
| 1388 | 1390 |
offset += (ret * s->cluster_size); |
| 1389 | 1391 |
} |
| 1390 | 1392 |
|
| 1391 |
return 0; |
|
| 1393 |
ret = 0; |
|
| 1394 |
fail: |
|
| 1395 |
s->cache_discards = false; |
|
| 1396 |
qcow2_process_discards(bs, ret); |
|
| 1397 |
|
|
| 1398 |
return ret; |
|
| 1392 | 1399 |
} |
| 1393 | 1400 |
|
| 1394 | 1401 |
/* |
| ... | ... | |
| 1450 | 1457 |
/* Each L2 table is handled by its own loop iteration */ |
| 1451 | 1458 |
nb_clusters = size_to_clusters(s, nb_sectors << BDRV_SECTOR_BITS); |
| 1452 | 1459 |
|
| 1460 |
s->cache_discards = true; |
|
| 1461 |
|
|
| 1453 | 1462 |
while (nb_clusters > 0) {
|
| 1454 | 1463 |
ret = zero_single_l2(bs, offset, nb_clusters); |
| 1455 | 1464 |
if (ret < 0) {
|
| 1456 |
return ret;
|
|
| 1465 |
goto fail;
|
|
| 1457 | 1466 |
} |
| 1458 | 1467 |
|
| 1459 | 1468 |
nb_clusters -= ret; |
| 1460 | 1469 |
offset += (ret * s->cluster_size); |
| 1461 | 1470 |
} |
| 1462 | 1471 |
|
| 1463 |
return 0; |
|
| 1472 |
ret = 0; |
|
| 1473 |
fail: |
|
| 1474 |
s->cache_discards = false; |
|
| 1475 |
qcow2_process_discards(bs, ret); |
|
| 1476 |
|
|
| 1477 |
return ret; |
|
| 1464 | 1478 |
} |
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