Commit 1118591a authored by Pavel Begunkov's avatar Pavel Begunkov Committed by Jens Axboe

io_uring: prep req when do IOSQE_ASYNC

Whenever IOSQE_ASYNC is set, requests will be punted to async without
getting into io_issue_req() and without proper preparation done (e.g.
io_req_defer_prep()). Hence they will be left uninitialised.

Prepare them before punting.
Signed-off-by: default avatarPavel Begunkov <asml.silence@gmail.com>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 0463b6c5
......@@ -4558,11 +4558,15 @@ static void io_queue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe)
ret = io_req_defer(req, sqe);
if (ret) {
if (ret != -EIOCBQUEUED) {
fail_req:
io_cqring_add_event(req, ret);
req_set_fail_links(req);
io_double_put_req(req);
}
} else if (req->flags & REQ_F_FORCE_ASYNC) {
ret = io_req_defer_prep(req, sqe);
if (unlikely(ret < 0))
goto fail_req;
/*
* Never try inline submit of IOSQE_ASYNC is set, go straight
* to async execution.
......
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