migration: Don't abuse qemu_file transferred for RDMA

Just create a variable for it, the same way that multifd does.  This
way it is safe to use for other thread, etc, etc.

Reviewed-by: Leonardo Bras <leobras@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20230515195709.63843-11-quintela@redhat.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/migration/migration-stats.h b/migration/migration-stats.h
index ac2260e987..2358caad63 100644
--- a/migration/migration-stats.h
+++ b/migration/migration-stats.h
@@ -90,6 +90,10 @@ typedef struct {
      */
     Stat64 rate_limit_max;
     /*
+     * Number of bytes sent through RDMA.
+     */
+    Stat64 rdma_bytes;
+    /*
      * Total number of bytes transferred.
      */
     Stat64 transferred;