diff --git a/fs/pipe.c b/fs/pipe.c index 4d0799e4e719..bc683599a5bf 100644 --- a/fs/pipe.c +++ b/fs/pipe.c @@ -396,6 +396,9 @@ pipe_read(struct kiocb *iocb, struct iov_iter *to) } if (pipe_is_empty(pipe)) wake_next_reader = false; + + wake_writer = pipe_full(pipe->head, pipe->tail, pipe->max_usage);; + mutex_unlock(&pipe->mutex); if (wake_writer)