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-rw-r--r--block/qcow2.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/block/qcow2.h b/block/qcow2.h
index 26ab5d9523..d3f690abca 100644
--- a/block/qcow2.h
+++ b/block/qcow2.h
@@ -202,6 +202,9 @@ 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);