this flag is set. */
bool autoload; /* For persistent bitmaps: bitmap must be
autoloaded on image opening */
+ bool persistent; /* bitmap must be saved to owner disk image */
QLIST_ENTRY(BdrvDirtyBitmap) list;
};
assert(!bdrv_dirty_bitmap_frozen(bitmap));
g_free(bitmap->name);
bitmap->name = NULL;
+ bitmap->persistent = false;
bitmap->autoload = false;
}
bitmap->name = NULL;
successor->name = name;
bitmap->successor = NULL;
+ successor->persistent = bitmap->persistent;
+ bitmap->persistent = false;
successor->autoload = bitmap->autoload;
bitmap->autoload = false;
bdrv_release_dirty_bitmap(bs, bitmap);
{
return bitmap->autoload;
}
+
+/* Called with BQL taken. */
+void bdrv_dirty_bitmap_set_persistance(BdrvDirtyBitmap *bitmap, bool persistent)
+{
+ qemu_mutex_lock(bitmap->mutex);
+ bitmap->persistent = persistent;
+ qemu_mutex_unlock(bitmap->mutex);
+}
+
+bool bdrv_dirty_bitmap_get_persistance(BdrvDirtyBitmap *bitmap)
+{
+ return bitmap->persistent;
+}
+
+bool bdrv_has_changed_persistent_bitmaps(BlockDriverState *bs)
+{
+ BdrvDirtyBitmap *bm;
+ QLIST_FOREACH(bm, &bs->dirty_bitmaps, list) {
+ if (bm->persistent && !bm->readonly) {
+ return true;
+ }
+ }
+
+ return false;
+}
void bdrv_dirty_bitmap_set_readonly(BdrvDirtyBitmap *bitmap, bool value);
void bdrv_dirty_bitmap_set_autoload(BdrvDirtyBitmap *bitmap, bool autoload);
+void bdrv_dirty_bitmap_set_persistance(BdrvDirtyBitmap *bitmap,
+ bool persistent);
/* Functions that require manual locking. */
void bdrv_dirty_bitmap_lock(BdrvDirtyBitmap *bitmap);
bool bdrv_dirty_bitmap_readonly(const BdrvDirtyBitmap *bitmap);
bool bdrv_has_readonly_bitmaps(BlockDriverState *bs);
bool bdrv_dirty_bitmap_get_autoload(const BdrvDirtyBitmap *bitmap);
+bool bdrv_dirty_bitmap_get_persistance(BdrvDirtyBitmap *bitmap);
+bool bdrv_has_changed_persistent_bitmaps(BlockDriverState *bs);
#endif