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-rw-r--r--block/qcow2.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/block/qcow2.h b/block/qcow2.h
index 40910d817d..a9108f55ca 100644
--- a/block/qcow2.h
+++ b/block/qcow2.h
@@ -459,7 +459,7 @@ static inline uint64_t l2meta_cow_end(QCowL2Meta *m)
+ (m->cow_end.nb_sectors << BDRV_SECTOR_BITS);
}
-static inline uint16_t refcount_diff(uint16_t r1, uint16_t r2)
+static inline uint64_t refcount_diff(uint64_t r1, uint64_t r2)
{
return r1 > r2 ? r1 - r2 : r2 - r1;
}
@@ -484,10 +484,10 @@ int qcow2_refcount_init(BlockDriverState *bs);
void qcow2_refcount_close(BlockDriverState *bs);
int qcow2_get_refcount(BlockDriverState *bs, int64_t cluster_index,
- uint16_t *refcount);
+ uint64_t *refcount);
int qcow2_update_cluster_refcount(BlockDriverState *bs, int64_t cluster_index,
- uint16_t addend, bool decrease,
+ uint64_t addend, bool decrease,
enum qcow2_discard_type type);
int64_t qcow2_alloc_clusters(BlockDriverState *bs, uint64_t size);