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-rw-r--r--block/qcow2.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/block/qcow2.h b/block/qcow2.h
index 99e4536..aae5f89 100644
--- a/block/qcow2.h
+++ b/block/qcow2.h
@@ -178,6 +178,7 @@ static inline int64_t align_offset(int64_t offset, int n)
/* qcow2.c functions */
int qcow2_backing_read1(BlockDriverState *bs, QEMUIOVector *qiov,
int64_t sector_num, int nb_sectors);
+int qcow2_update_header(BlockDriverState *bs);
/* qcow2-refcount.c functions */
int qcow2_refcount_init(BlockDriverState *bs);