io_uring: never defer-complete multi-apoll

Luckily, nnobody completes multi-apoll requests outside the polling
functions, but don't set IO_URING_F_COMPLETE_DEFER in any case as
there is nobody who is catching REQ_F_COMPLETE_INLINE, and so will leak
requests if used.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/a65ed3f5effd9321ee06e6edea294a03be3e15a0.1655310733.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index fd3ad78..8a8d8b3 100644 (file)
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -1599,7 +1599,7 @@ int io_poll_issue(struct io_kiocb *req, bool *locked)
        io_tw_lock(req->ctx, locked);
        if (unlikely(req->task->flags & PF_EXITING))
                return -EFAULT;
-       return io_issue_sqe(req, IO_URING_F_NONBLOCK|IO_URING_F_COMPLETE_DEFER);
+       return io_issue_sqe(req, IO_URING_F_NONBLOCK);
 }
 
 struct io_wq_work *io_wq_free_work(struct io_wq_work *work)