Revision f8a2e5e3 block/qcow2.c
| b/block/qcow2.c | ||
|---|---|---|
| 344 | 344 |
return 0; |
| 345 | 345 |
} |
| 346 | 346 |
|
| 347 |
static int qcow2_is_allocated(BlockDriverState *bs, int64_t sector_num,
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|
| 348 |
int nb_sectors, int *pnum)
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|
| 347 |
static int coroutine_fn qcow2_co_is_allocated(BlockDriverState *bs,
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| 348 |
int64_t sector_num, int nb_sectors, int *pnum)
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| 349 | 349 |
{
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| 350 |
BDRVQcowState *s = bs->opaque; |
|
| 350 | 351 |
uint64_t cluster_offset; |
| 351 | 352 |
int ret; |
| 352 | 353 |
|
| 353 | 354 |
*pnum = nb_sectors; |
| 354 |
/* FIXME We can get errors here, but the bdrv_is_allocated interface can't |
|
| 355 |
* pass them on today */ |
|
| 355 |
/* FIXME We can get errors here, but the bdrv_co_is_allocated interface |
|
| 356 |
* can't pass them on today */ |
|
| 357 |
qemu_co_mutex_lock(&s->lock); |
|
| 356 | 358 |
ret = qcow2_get_cluster_offset(bs, sector_num << 9, pnum, &cluster_offset); |
| 359 |
qemu_co_mutex_unlock(&s->lock); |
|
| 357 | 360 |
if (ret < 0) {
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| 358 | 361 |
*pnum = 0; |
| 359 | 362 |
} |
| ... | ... | |
| 1277 | 1280 |
.bdrv_open = qcow2_open, |
| 1278 | 1281 |
.bdrv_close = qcow2_close, |
| 1279 | 1282 |
.bdrv_create = qcow2_create, |
| 1280 |
.bdrv_is_allocated = qcow2_is_allocated,
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| 1283 |
.bdrv_co_is_allocated = qcow2_co_is_allocated,
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| 1281 | 1284 |
.bdrv_set_key = qcow2_set_key, |
| 1282 | 1285 |
.bdrv_make_empty = qcow2_make_empty, |
| 1283 | 1286 |
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