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-rw-r--r--block/qcow2.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/block/qcow2.h b/block/qcow2.h
index 6dc79b5af4..a60fcb429a 100644
--- a/block/qcow2.h
+++ b/block/qcow2.h
@@ -303,6 +303,8 @@ static inline bool qcow2_need_accurate_refcounts(BDRVQcowState *s)
/* qcow2.c functions */
int qcow2_backing_read1(BlockDriverState *bs, QEMUIOVector *qiov,
int64_t sector_num, int nb_sectors);
+
+int qcow2_mark_dirty(BlockDriverState *bs);
int qcow2_update_header(BlockDriverState *bs);
/* qcow2-refcount.c functions */