aio: drop io_flush argument

The .io_flush() handler no longer exists and has no users.  Drop the
io_flush argument to aio_set_fd_handler() and related functions.

The AioFlushEventNotifierHandler and AioFlushHandler typedefs are no
longer used and are dropped too.

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

1 files changed, 2 insertions, 3 deletions

diff --git a/thread-pool.c b/thread-pool.c
index 096f007f2d..5025567817 100644
--- a/thread-pool.c
+++ b/thread-pool.c
@@ -303,8 +303,7 @@ static void thread_pool_init_one(ThreadPool *pool, AioContext *ctx)
     QLIST_INIT(&pool->head);
     QTAILQ_INIT(&pool->request_list);
 
-    aio_set_event_notifier(ctx, &pool->notifier, event_notifier_ready,
-                           NULL);
+    aio_set_event_notifier(ctx, &pool->notifier, event_notifier_ready);
 }
 
 ThreadPool *thread_pool_new(AioContext *ctx)
@@ -338,7 +337,7 @@ void thread_pool_free(ThreadPool *pool)
 
     qemu_mutex_unlock(&pool->lock);
 
-    aio_set_event_notifier(pool->ctx, &pool->notifier, NULL, NULL);
+    aio_set_event_notifier(pool->ctx, &pool->notifier, NULL);
     qemu_sem_destroy(&pool->sem);
     qemu_cond_destroy(&pool->check_cancel);
     qemu_cond_destroy(&pool->worker_stopped);