--- x/fs/netfs/objects.c
+++ y/fs/netfs/objects.c
@@ -140,8 +140,10 @@ static void netfs_free_request(struct wo
 	}
 	rolling_buffer_clear(&rreq->buffer);
 
-	if (atomic_dec_and_test(&ictx->io_count))
+	if (atomic_dec_and_test(&ictx->io_count)) {
+		smp_mb();
 		wake_up_var(&ictx->io_count);
+	}
 	call_rcu(&rreq->rcu, netfs_free_request_rcu);
 }