qemu_file: Use a stat64 for qemu_file_transferred

This way we can read it from any thread.
I checked that it gives the same value as the current one.  We never
use two qemu_files at the same time.

Reviewed-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <20231025091117.6342-3-quintela@redhat.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/migration/migration-stats.h b/migration/migration-stats.h
index 2358caad63..b7795e7914 100644
--- a/migration/migration-stats.h
+++ b/migration/migration-stats.h
@@ -82,6 +82,10 @@ typedef struct {
      */
     Stat64 precopy_bytes;
     /*
+     * Number of bytes transferred with QEMUFile.
+     */
+    Stat64 qemu_file_transferred;
+    /*
      * Amount of transferred data at the start of current cycle.
      */
     Stat64 rate_limit_start;