diff options
Diffstat (limited to 'block/qcow2.h')
| -rw-r--r-- | block/qcow2.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/block/qcow2.h b/block/qcow2.h index d734003..542292d 100644 --- a/block/qcow2.h +++ b/block/qcow2.h @@ -94,6 +94,7 @@ typedef struct BDRVQcowState { uint8_t *cluster_cache; uint8_t *cluster_data; uint64_t cluster_cache_offset; + QLIST_HEAD(QCowClusterAlloc, QCowL2Meta) cluster_allocs; uint64_t *refcount_table; uint64_t refcount_table_offset; @@ -131,6 +132,9 @@ typedef struct QCowL2Meta int n_start; int nb_available; int nb_clusters; + struct QCowL2Meta *depends_on; + + QLIST_ENTRY(QCowL2Meta) next_in_flight; } QCowL2Meta; static inline int size_to_clusters(BDRVQcowState *s, int64_t size) @@ -191,6 +195,9 @@ uint64_t qcow2_alloc_compressed_cluster_offset(BlockDriverState *bs, int qcow2_alloc_cluster_link_l2(BlockDriverState *bs, uint64_t cluster_offset, QCowL2Meta *m); +int qcow2_read(BlockDriverState *bs, int64_t sector_num, uint8_t *buf, + int nb_sectors); + /* qcow2-snapshot.c functions */ int qcow2_snapshot_create(BlockDriverState *bs, QEMUSnapshotInfo *sn_info); int qcow2_snapshot_goto(BlockDriverState *bs, const char *snapshot_id); |