diff options
| -rw-r--r-- | block/dirty-bitmap.c | 8 | ||||
| -rw-r--r-- | include/block/dirty-bitmap.h | 1 |
2 files changed, 9 insertions, 0 deletions
diff --git a/block/dirty-bitmap.c b/block/dirty-bitmap.c index 909f0517f8..0d0e807216 100644 --- a/block/dirty-bitmap.c +++ b/block/dirty-bitmap.c @@ -234,6 +234,14 @@ int bdrv_dirty_bitmap_create_successor(BlockDriverState *bs, return 0; } +/* Called with BQL taken. */ +void bdrv_dirty_bitmap_enable_successor(BdrvDirtyBitmap *bitmap) +{ + qemu_mutex_lock(bitmap->mutex); + bdrv_enable_dirty_bitmap(bitmap->successor); + qemu_mutex_unlock(bitmap->mutex); +} + /** * 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 09efec609f..e0ebc96b01 100644 --- a/include/block/dirty-bitmap.h +++ b/include/block/dirty-bitmap.h @@ -21,6 +21,7 @@ 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); |