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-rw-r--r--block/qcow2.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/block/qcow2.h b/block/qcow2.h
index c99b374bd..965a2f45c 100644
--- a/block/qcow2.h
+++ b/block/qcow2.h
@@ -98,6 +98,7 @@ typedef struct BDRVQcowState {
uint8_t *cluster_cache;
uint8_t *cluster_data;
uint64_t cluster_cache_offset;
+ LIST_HEAD(QCowClusterAlloc, QCowL2Meta) cluster_allocs;
uint64_t *refcount_table;
uint64_t refcount_table_offset;
@@ -128,6 +129,8 @@ typedef struct QCowCreateState {
int64_t refcount_block_offset;
} QCowCreateState;
+struct QCowAIOCB;
+
/* XXX This could be private for qcow2-cluster.c */
typedef struct QCowL2Meta
{
@@ -135,6 +138,10 @@ typedef struct QCowL2Meta
int n_start;
int nb_available;
int nb_clusters;
+ struct QCowL2Meta *depends_on;
+ LIST_HEAD(QCowAioDependencies, QCowAIOCB) dependent_requests;
+
+ LIST_ENTRY(QCowL2Meta) next_in_flight;
} QCowL2Meta;
static inline int size_to_clusters(BDRVQcowState *s, int64_t size)