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Diffstat (limited to 'block/qcow2-cluster.c')
-rw-r--r--block/qcow2-cluster.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/block/qcow2-cluster.c b/block/qcow2-cluster.c
index b24230b12c..893ddf6798 100644
--- a/block/qcow2-cluster.c
+++ b/block/qcow2-cluster.c
@@ -1265,7 +1265,8 @@ fail:
* Return 0 on success and -errno in error cases
*/
int qcow2_alloc_cluster_offset(BlockDriverState *bs, uint64_t offset,
- int *num, uint64_t *host_offset, QCowL2Meta **m)
+ unsigned int *bytes, uint64_t *host_offset,
+ QCowL2Meta **m)
{
BDRVQcow2State *s = bs->opaque;
uint64_t start, remaining;
@@ -1273,13 +1274,11 @@ int qcow2_alloc_cluster_offset(BlockDriverState *bs, uint64_t offset,
uint64_t cur_bytes;
int ret;
- trace_qcow2_alloc_clusters_offset(qemu_coroutine_self(), offset, *num);
-
- assert((offset & ~BDRV_SECTOR_MASK) == 0);
+ trace_qcow2_alloc_clusters_offset(qemu_coroutine_self(), offset, *bytes);
again:
start = offset;
- remaining = (uint64_t)*num << BDRV_SECTOR_BITS;
+ remaining = *bytes;
cluster_offset = 0;
*host_offset = 0;
cur_bytes = 0;
@@ -1365,8 +1364,8 @@ again:
}
}
- *num -= remaining >> BDRV_SECTOR_BITS;
- assert(*num > 0);
+ *bytes -= remaining;
+ assert(*bytes > 0);
assert(*host_offset != 0);
return 0;