From d3b35796b1e3f118017491d621f624e0de7ff9fb Mon Sep 17 00:00:00 2001 From: Pavel Begunkov Date: Tue, 19 Nov 2019 23:32:48 +0300 Subject: [PATCH] io_uring: break links for failed defer If io_req_defer() failed, it needs to cancel a dependant link. Signed-off-by: Pavel Begunkov Signed-off-by: Jens Axboe --- fs/io_uring.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/fs/io_uring.c b/fs/io_uring.c index 6550b7eab7d2..c1226f609e18 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -2958,6 +2958,8 @@ static void io_queue_sqe(struct io_kiocb *req) if (ret) { if (ret != -EIOCBQUEUED) { io_cqring_add_event(req, ret); + if (req->flags & REQ_F_LINK) + req->flags |= REQ_F_FAIL_LINK; io_double_put_req(req); } } else @@ -2990,6 +2992,8 @@ static void io_queue_link_head(struct io_kiocb *req, struct io_kiocb *shadow) if (ret != -EIOCBQUEUED) { err: io_cqring_add_event(req, ret); + if (req->flags & REQ_F_LINK) + req->flags |= REQ_F_FAIL_LINK; io_double_put_req(req); if (shadow) __io_free_req(shadow);