diff --git a/block.c b/block.c index b350794c3e28..8104225cd34b 100644 --- a/block.c +++ b/block.c @@ -684,6 +684,10 @@ static void bdrv_temp_snapshot_options(int *child_flags, QDict *child_options, /* For temporary files, unconditional cache=unsafe is fine */ qdict_set_default_str(child_options, BDRV_OPT_CACHE_DIRECT, "off"); qdict_set_default_str(child_options, BDRV_OPT_CACHE_NO_FLUSH, "on"); + + /* aio=native doesn't work for cache.direct=off, so disable it for the + * temporary snapshot */ + *child_flags &= ~BDRV_O_NATIVE_AIO; } /*