提交 d3b35796 编写于 作者: P Pavel Begunkov 提交者: Jens Axboe

io_uring: break links for failed defer

If io_req_defer() failed, it needs to cancel a dependant link.
Signed-off-by: NPavel Begunkov <asml.silence@gmail.com>
Signed-off-by: NJens Axboe <axboe@kernel.dk>
上级 b2e9c7d6
......@@ -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);
......
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