[PATCH] block: mark aio_poll as non-coroutine

[Paolo Bonzini]

It is forbidden to block on the event loop during a coroutine, as that
can cause deadlocks due to recursive locking.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 include/block/aio.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/block/aio.h b/include/block/aio.h
index 32042e8905a..f1d0a37d68f 100644
--- a/include/block/aio.h
+++ b/include/block/aio.h
@@ -468,7 +468,7 @@ void aio_dispatch(AioContext *ctx);
  * or more AIO events have completed, to ensure something has moved
  * before returning.
  */
-bool aio_poll(AioContext *ctx, bool blocking);
+bool no_coroutine_fn aio_poll(AioContext *ctx, bool blocking);
 
 /* Register a file descriptor and associated callbacks.  Behaves very similarly
  * to qemu_set_fd_handler.  Unlike qemu_set_fd_handler, these callbacks will
-- 
2.41.0