From: Emanuele Giuseppe Esposito <[email protected]> Also here ->aio_context is read by I/O threads and written under BQL.
Signed-off-by: Emanuele Giuseppe Esposito <[email protected]> Reviewed-by: Kevin Wolf <[email protected]> Reviewed-by: Hanna Reitz <[email protected]> Message-Id: <[email protected]> Signed-off-by: Kevin Wolf <[email protected]> --- block.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/block.c b/block.c index 2d74bfe665..4d727aa38c 100644 --- a/block.c +++ b/block.c @@ -7153,6 +7153,7 @@ static void bdrv_detach_aio_context(BlockDriverState *bs) if (bs->quiesce_counter) { aio_enable_external(bs->aio_context); } + assert_bdrv_graph_writable(bs); bs->aio_context = NULL; } @@ -7166,6 +7167,7 @@ static void bdrv_attach_aio_context(BlockDriverState *bs, aio_disable_external(new_context); } + assert_bdrv_graph_writable(bs); bs->aio_context = new_context; if (bs->drv && bs->drv->bdrv_attach_aio_context) { -- 2.37.3
