[06/18] block: add bdrv_dirty_bitmap_enable_successor()

Commit Message

Vladimir Sementsov-Ogievskiy Aug. 16, 2016, 10:26 a.m. UTC

Enabling bitmap successor is necessary to enable successors of bitmaps
being migrated before target vm start.

Signed-off-by: Vladimir Sementsov-Ogievskiy <[e-mail]>
---
 block/dirty-bitmap.c         | 5 +++++
 include/block/dirty-bitmap.h | 1 +
 2 files changed, 6 insertions(+)

Patch

diff --git a/block/dirty-bitmap.c b/block/dirty-bitmap.c
index 7547c78..ab2c7f5 100644
--- a/block/dirty-bitmap.c
+++ b/block/dirty-bitmap.c
@@ -217,6 +217,11 @@  int bdrv_dirty_bitmap_create_successor(BlockDriverState *bs,
     return 0;
 }
 
+void bdrv_dirty_bitmap_enable_successor(BdrvDirtyBitmap *bitmap)
+{
+    bdrv_enable_dirty_bitmap(bitmap->successor);
+}
+
 /**
  * For a bitmap with a successor, yield our name to the successor,
  * delete the old bitmap, and return a handle to the new bitmap.
diff --git a/include/block/dirty-bitmap.h b/include/block/dirty-bitmap.h
index 1a457d5..57b476c 100644
--- a/include/block/dirty-bitmap.h
+++ b/include/block/dirty-bitmap.h
@@ -20,6 +20,7 @@  BdrvDirtyBitmap *bdrv_dirty_bitmap_abdicate(BlockDriverState *bs,
 BdrvDirtyBitmap *bdrv_reclaim_dirty_bitmap(BlockDriverState *bs,
                                            BdrvDirtyBitmap *bitmap,
                                            Error **errp);
+void bdrv_dirty_bitmap_enable_successor(BdrvDirtyBitmap *bitmap);
 BdrvDirtyBitmap *bdrv_find_dirty_bitmap(BlockDriverState *bs,
                                         const char *name);
 void bdrv_dirty_bitmap_make_anon(BdrvDirtyBitmap *bitmap);