qcow2: Allow >4 GB VM state

This is a compatible extension to the snapshot header format that allows
saving a 64 bit VM state size.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/block.h b/block.h
index 0e3ff9f..3bd4398 100644
--- a/block.h
+++ b/block.h
@@ -22,7 +22,7 @@ typedef struct QEMUSnapshotInfo {
     /* the following fields are informative. They are not needed for
        the consistency of the snapshot */
     char name[256]; /* user chosen name */
-    uint32_t vm_state_size; /* VM state info size */
+    uint64_t vm_state_size; /* VM state info size */
     uint32_t date_sec; /* UTC date of the snapshot */
     uint32_t date_nsec;
     uint64_t vm_clock_nsec; /* VM clock relative to boot */