---

yaml
---
r: 93973
b: refs/heads/master
c: e92adcb
h: refs/heads/master
i:
  93971: 1d6c1f0
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 180c06efce691f2b721dd0d965079827bdd7ee03
+refs/heads/master: e92adcba261fd391591bb63c1703185a04a41554

trunk/fs/aio.c

@@ -1166,7 +1166,10 @@ static int read_events(struct kioctx *ctx,
 				break;
 			if (min_nr <= i)
 				break;
-			ret = 0;
+			if (unlikely(ctx->dead)) {
+				ret = -EINVAL;
+				break;
+			}
 			if (to.timed_out)	/* Only check after read evt */
 				break;
 			/* Try to only show up in io wait if there are ops
@@ -1231,6 +1234,13 @@ static void io_destroy(struct kioctx *ioctx)
 
 	aio_cancel_all(ioctx);
 	wait_for_all_aios(ioctx);
+
+	/*
+	 * Wake up any waiters.  The setting of ctx->dead must be seen
+	 * by other CPUs at this point.  Right now, we rely on the
+	 * locking done by the above calls to ensure this consistency.
+	 */
+	wake_up(&ioctx->wait);
 	put_ioctx(ioctx);	/* once for the lookup */
 }