Functions write to BdrvDirtyBitmap field, so the should take the lock. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsement...@virtuozzo.com> --- block/dirty-bitmap.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/block/dirty-bitmap.c b/block/dirty-bitmap.c index 967159479d..6c00288fd7 100644 --- a/block/dirty-bitmap.c +++ b/block/dirty-bitmap.c @@ -445,15 +445,19 @@ void bdrv_remove_persistent_dirty_bitmap(BlockDriverState *bs, /* Called with BQL taken. */ void bdrv_disable_dirty_bitmap(BdrvDirtyBitmap *bitmap) { + bdrv_dirty_bitmap_lock(bitmap); assert(!bdrv_dirty_bitmap_frozen(bitmap)); bitmap->disabled = true; + bdrv_dirty_bitmap_unlock(bitmap); } /* Called with BQL taken. */ void bdrv_enable_dirty_bitmap(BdrvDirtyBitmap *bitmap) { + bdrv_dirty_bitmap_lock(bitmap); assert(!bdrv_dirty_bitmap_frozen(bitmap)); bitmap->disabled = false; + bdrv_dirty_bitmap_unlock(bitmap); } BlockDirtyInfoList *bdrv_query_dirty_bitmaps(BlockDriverState *bs) -- 2.11.1