@@ -44,6 +44,8 @@ struct BdrvDirtyBitmap {
int64_t size; /* Size of the bitmap (Number of sectors) */
bool disabled; /* Bitmap is read-only */
int active_iterators; /* How many iterators are active */
+ bool autoload; /* For persistent bitmaps: bitmap must be
+ autoloaded on image opening */
QLIST_ENTRY(BdrvDirtyBitmap) list;
};
@@ -70,6 +72,8 @@ void bdrv_dirty_bitmap_make_anon(BdrvDirtyBitmap *bitmap)
assert(!bdrv_dirty_bitmap_frozen(bitmap));
g_free(bitmap->name);
bitmap->name = NULL;
+
+ bitmap->autoload = false;
}
BdrvDirtyBitmap *bdrv_create_dirty_bitmap(BlockDriverState *bs,
@@ -238,6 +242,8 @@ BdrvDirtyBitmap *bdrv_dirty_bitmap_abdicate(BlockDriverState *bs,
bitmap->name = NULL;
successor->name = name;
bitmap->successor = NULL;
+ successor->autoload = bitmap->autoload;
+ bitmap->autoload = false;
bdrv_release_dirty_bitmap(bs, bitmap);
return successor;
@@ -540,3 +546,13 @@ int64_t bdrv_get_meta_dirty_count(BdrvDirtyBitmap *bitmap)
{
return hbitmap_count(bitmap->meta);
}
+
+void bdrv_dirty_bitmap_set_autoload(BdrvDirtyBitmap *bitmap, bool autoload)
+{
+ bitmap->autoload = autoload;
+}
+
+bool bdrv_dirty_bitmap_get_autoload(const BdrvDirtyBitmap *bitmap)
+{
+ return bitmap->autoload;
+}
@@ -633,6 +633,8 @@ void qcow2_load_autoloading_dirty_bitmaps(BlockDriverState *bs, Error **errp)
if (bitmap == NULL) {
goto fail;
}
+
+ bdrv_dirty_bitmap_set_autoload(bitmap, true);
bm->flags |= BME_FLAG_IN_USE;
created_dirty_bitmaps =
g_slist_append(created_dirty_bitmaps, bitmap);
@@ -75,4 +75,6 @@ void bdrv_dirty_bitmap_deserialize_ones(BdrvDirtyBitmap *bitmap,
bool finish);
void bdrv_dirty_bitmap_deserialize_finish(BdrvDirtyBitmap *bitmap);
+void bdrv_dirty_bitmap_set_autoload(BdrvDirtyBitmap *bitmap, bool autoload);
+bool bdrv_dirty_bitmap_get_autoload(const BdrvDirtyBitmap *bitmap);
#endif