| qed.c (80c71a241ae3cd3b89527865ba730b2fa1f9e46f) | qed.c (04c01a5c8f006b6e45fa5be8ea857efe7d9c41f9) |
|---|---|
| 1/* 2 * QEMU Enhanced Disk Format 3 * 4 * Copyright IBM, Corp. 2010 5 * 6 * Authors: 7 * Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> 8 * Anthony Liguori <aliguori@us.ibm.com> --- 464 unchanged lines hidden (view full) --- 473 474 /* Reset unknown autoclear feature bits. This is a backwards 475 * compatibility mechanism that allows images to be opened by older 476 * programs, which "knock out" unknown feature bits. When an image is 477 * opened by a newer program again it can detect that the autoclear 478 * feature is no longer valid. 479 */ 480 if ((s->header.autoclear_features & ~QED_AUTOCLEAR_FEATURE_MASK) != 0 && | 1/* 2 * QEMU Enhanced Disk Format 3 * 4 * Copyright IBM, Corp. 2010 5 * 6 * Authors: 7 * Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> 8 * Anthony Liguori <aliguori@us.ibm.com> --- 464 unchanged lines hidden (view full) --- 473 474 /* Reset unknown autoclear feature bits. This is a backwards 475 * compatibility mechanism that allows images to be opened by older 476 * programs, which "knock out" unknown feature bits. When an image is 477 * opened by a newer program again it can detect that the autoclear 478 * feature is no longer valid. 479 */ 480 if ((s->header.autoclear_features & ~QED_AUTOCLEAR_FEATURE_MASK) != 0 && |
| 481 !bdrv_is_read_only(bs->file->bs) && !(flags & BDRV_O_INCOMING)) { | 481 !bdrv_is_read_only(bs->file->bs) && !(flags & BDRV_O_INACTIVE)) { |
| 482 s->header.autoclear_features &= QED_AUTOCLEAR_FEATURE_MASK; 483 484 ret = qed_write_header_sync(s); 485 if (ret) { 486 return ret; 487 } 488 489 /* From here on only known autoclear feature bits are valid */ --- 11 unchanged lines hidden (view full) --- 501 /* If image was not closed cleanly, check consistency */ 502 if (!(flags & BDRV_O_CHECK) && (s->header.features & QED_F_NEED_CHECK)) { 503 /* Read-only images cannot be fixed. There is no risk of corruption 504 * since write operations are not possible. Therefore, allow 505 * potentially inconsistent images to be opened read-only. This can 506 * aid data recovery from an otherwise inconsistent image. 507 */ 508 if (!bdrv_is_read_only(bs->file->bs) && | 482 s->header.autoclear_features &= QED_AUTOCLEAR_FEATURE_MASK; 483 484 ret = qed_write_header_sync(s); 485 if (ret) { 486 return ret; 487 } 488 489 /* From here on only known autoclear feature bits are valid */ --- 11 unchanged lines hidden (view full) --- 501 /* If image was not closed cleanly, check consistency */ 502 if (!(flags & BDRV_O_CHECK) && (s->header.features & QED_F_NEED_CHECK)) { 503 /* Read-only images cannot be fixed. There is no risk of corruption 504 * since write operations are not possible. Therefore, allow 505 * potentially inconsistent images to be opened read-only. This can 506 * aid data recovery from an otherwise inconsistent image. 507 */ 508 if (!bdrv_is_read_only(bs->file->bs) && |
| 509 !(flags & BDRV_O_INCOMING)) { | 509 !(flags & BDRV_O_INACTIVE)) { |
| 510 BdrvCheckResult result = {0}; 511 512 ret = qed_check(s, &result, true); 513 if (ret) { 514 goto out; 515 } 516 } 517 } --- 1182 unchanged lines hidden --- | 510 BdrvCheckResult result = {0}; 511 512 ret = qed_check(s, &result, true); 513 if (ret) { 514 goto out; 515 } 516 } 517 } --- 1182 unchanged lines hidden --- |