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-rw-r--r--block/qcow2-cluster.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/block/qcow2-cluster.c b/block/qcow2-cluster.c
index 94b7f136fa..c4752ee812 100644
--- a/block/qcow2-cluster.c
+++ b/block/qcow2-cluster.c
@@ -856,7 +856,7 @@ static int do_alloc_cluster_offset(BlockDriverState *bs, uint64_t guest_offset,
* Return 0 on success and -errno in error cases
*/
int qcow2_alloc_cluster_offset(BlockDriverState *bs, uint64_t offset,
- int n_start, int n_end, int *num, QCowL2Meta *m)
+ int n_start, int n_end, int *num, uint64_t *host_offset, QCowL2Meta *m)
{
BDRVQcowState *s = bs->opaque;
int l2_index, ret, sectors;
@@ -929,7 +929,6 @@ again:
/* If there is something left to allocate, do that now */
*m = (QCowL2Meta) {
- .cluster_offset = cluster_offset,
.nb_clusters = 0,
};
qemu_co_queue_init(&m->dependent_requests);
@@ -977,9 +976,11 @@ again:
int alloc_n_start = keep_clusters == 0 ? n_start : 0;
int nb_sectors = MIN(requested_sectors, avail_sectors);
+ if (keep_clusters == 0) {
+ cluster_offset = alloc_cluster_offset;
+ }
+
*m = (QCowL2Meta) {
- .cluster_offset = keep_clusters == 0 ?
- alloc_cluster_offset : cluster_offset,
.alloc_offset = alloc_cluster_offset,
.offset = alloc_offset & ~(s->cluster_size - 1),
.nb_clusters = nb_clusters,
@@ -1007,6 +1008,7 @@ again:
assert(sectors > n_start);
*num = sectors - n_start;
+ *host_offset = cluster_offset;
return 0;