migration: Create migrate_block_bitmap_mapping() function

Notice that we changed the test of ->has_block_bitmap_mapping
for the test that block_bitmap_mapping is not NULL.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>

---

Make it return const (vladimir)

1 files changed, 7 insertions, 0 deletions

diff --git a/migration/options.c b/migration/options.c
index 1aa9575bc0..1840a3b220 100644
--- a/migration/options.c
+++ b/migration/options.c
@@ -455,6 +455,13 @@ void qmp_migrate_set_capabilities(MigrationCapabilityStatusList *params,
 
 /* parameters */
 
+const BitmapMigrationNodeAliasList *migrate_block_bitmap_mapping(void)
+{
+    MigrationState *s = migrate_get_current();
+
+    return s->parameters.block_bitmap_mapping;
+}
+
 bool migrate_block_incremental(void)
 {
     MigrationState *s = migrate_get_current();