block: mark aio_poll as non-coroutine
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>
Message-ID: <20230908075458.527013-1-pbonzini@redhat.com>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
diff --git a/include/block/aio.h b/include/block/aio.h
index bcc165c..f08b358 100644
--- a/include/block/aio.h
+++ b/include/block/aio.h
@@ -467,7 +467,7 @@
* 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
