block coroutines functions run in different aiocontext, and are not protected by the BQL. Therefore are I/O.
Signed-off-by: Emanuele Giuseppe Esposito <[email protected]> --- block/coroutines.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/block/coroutines.h b/block/coroutines.h index 514d169d23..105e0ce2a9 100644 --- a/block/coroutines.h +++ b/block/coroutines.h @@ -27,6 +27,12 @@ #include "block/block_int.h" +/* + * I/O API functions. These functions are thread-safe, and therefore + * can run in any thread as long as they have called + * aio_context_acquire/release(). + */ + int coroutine_fn bdrv_co_check(BlockDriverState *bs, BdrvCheckResult *res, BdrvCheckMode fix); int coroutine_fn bdrv_co_invalidate_cache(BlockDriverState *bs, Error **errp); -- 2.27.0
