提交 bd2ab18a 编写于 作者: P Pavel Begunkov 提交者: Jens Axboe

io_uring: fix FORCE_ASYNC req preparation

As for other not inlined requests, alloc req->io for FORCE_ASYNC reqs,
so they can be prepared properly.
Signed-off-by: NPavel Begunkov <asml.silence@gmail.com>
Signed-off-by: NJens Axboe <axboe@kernel.dk>
上级 650b5481
......@@ -5608,9 +5608,15 @@ static void io_queue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe)
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;
if (!req->io) {
ret = -EAGAIN;
if (io_alloc_async_ctx(req))
goto fail_req;
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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