Modify save_live_pending for postcopy

Modify save_live_pending to return separate postcopiable and
non-postcopiable counts.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/migration/ram.c b/migration/ram.c
index 4fa44a7..0e53325 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -1383,7 +1383,9 @@ static int ram_save_complete(QEMUFile *f, void *opaque)
     return 0;
 }
 
-static uint64_t ram_save_pending(QEMUFile *f, void *opaque, uint64_t max_size)
+static void ram_save_pending(QEMUFile *f, void *opaque, uint64_t max_size,
+                             uint64_t *non_postcopiable_pending,
+                             uint64_t *postcopiable_pending)
 {
     uint64_t remaining_size;
 
@@ -1397,7 +1399,9 @@ static uint64_t ram_save_pending(QEMUFile *f, void *opaque, uint64_t max_size)
         qemu_mutex_unlock_iothread();
         remaining_size = ram_save_remaining() * TARGET_PAGE_SIZE;
     }
-    return remaining_size;
+
+    /* We can do postcopy, and all the data is postcopiable */
+    *postcopiable_pending += remaining_size;
 }
 
 static int load_xbzrle(QEMUFile *f, ram_addr_t addr, void *host)