| preallocate.c (fcb7e040f5c69ca1f0678f991ab5354488a9e192) | preallocate.c (c86422c5549c0983b4b4525b8f56a1c69dd67aa1) |
|---|---|
| 1/* 2 * preallocate filter driver 3 * 4 * The driver performs preallocate operation: it is injected above 5 * some node, and before each write over EOF it does additional preallocating 6 * write-zeroes request. 7 * 8 * Copyright (c) 2020 Virtuozzo International GmbH. --- 428 unchanged lines hidden (view full) --- 437 return 0; 438} 439 440static int coroutine_fn preallocate_co_flush(BlockDriverState *bs) 441{ 442 return bdrv_co_flush(bs->file->bs); 443} 444 | 1/* 2 * preallocate filter driver 3 * 4 * The driver performs preallocate operation: it is injected above 5 * some node, and before each write over EOF it does additional preallocating 6 * write-zeroes request. 7 * 8 * Copyright (c) 2020 Virtuozzo International GmbH. --- 428 unchanged lines hidden (view full) --- 437 return 0; 438} 439 440static int coroutine_fn preallocate_co_flush(BlockDriverState *bs) 441{ 442 return bdrv_co_flush(bs->file->bs); 443} 444 |
| 445static int64_t preallocate_getlength(BlockDriverState *bs) | 445static int64_t coroutine_fn preallocate_co_getlength(BlockDriverState *bs) |
| 446{ 447 int64_t ret; 448 BDRVPreallocateState *s = bs->opaque; 449 450 if (s->data_end >= 0) { 451 return s->data_end; 452 } 453 | 446{ 447 int64_t ret; 448 BDRVPreallocateState *s = bs->opaque; 449 450 if (s->data_end >= 0) { 451 return s->data_end; 452 } 453 |
| 454 ret = bdrv_getlength(bs->file->bs); | 454 ret = bdrv_co_getlength(bs->file->bs); |
| 455 456 if (has_prealloc_perms(bs)) { 457 s->file_end = s->zero_start = s->data_end = ret; 458 } 459 460 return ret; 461} 462 --- 69 unchanged lines hidden (view full) --- 532 *nshared &= ~(BLK_PERM_WRITE | BLK_PERM_RESIZE); 533 } 534} 535 536BlockDriver bdrv_preallocate_filter = { 537 .format_name = "preallocate", 538 .instance_size = sizeof(BDRVPreallocateState), 539 | 455 456 if (has_prealloc_perms(bs)) { 457 s->file_end = s->zero_start = s->data_end = ret; 458 } 459 460 return ret; 461} 462 --- 69 unchanged lines hidden (view full) --- 532 *nshared &= ~(BLK_PERM_WRITE | BLK_PERM_RESIZE); 533 } 534} 535 536BlockDriver bdrv_preallocate_filter = { 537 .format_name = "preallocate", 538 .instance_size = sizeof(BDRVPreallocateState), 539 |
| 540 .bdrv_getlength = preallocate_getlength, 541 .bdrv_open = preallocate_open, 542 .bdrv_close = preallocate_close, | 540 .bdrv_co_getlength = preallocate_co_getlength, 541 .bdrv_open = preallocate_open, 542 .bdrv_close = preallocate_close, |
| 543 544 .bdrv_reopen_prepare = preallocate_reopen_prepare, 545 .bdrv_reopen_commit = preallocate_reopen_commit, 546 .bdrv_reopen_abort = preallocate_reopen_abort, 547 548 .bdrv_co_preadv_part = preallocate_co_preadv_part, 549 .bdrv_co_pwritev_part = preallocate_co_pwritev_part, 550 .bdrv_co_pwrite_zeroes = preallocate_co_pwrite_zeroes, --- 18 unchanged lines hidden --- | 543 544 .bdrv_reopen_prepare = preallocate_reopen_prepare, 545 .bdrv_reopen_commit = preallocate_reopen_commit, 546 .bdrv_reopen_abort = preallocate_reopen_abort, 547 548 .bdrv_co_preadv_part = preallocate_co_preadv_part, 549 .bdrv_co_pwritev_part = preallocate_co_pwritev_part, 550 .bdrv_co_pwrite_zeroes = preallocate_co_pwrite_zeroes, --- 18 unchanged lines hidden --- |