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io_uring: don't io_prep_async_work() linked reqs
There is no real reason left for preparing io-wq work context for linked requests in advance, remove it as this might become a bottleneck in some cases. Reported-by: Roman Gershman <romger@amazon.com> Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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@ -5672,9 +5672,6 @@ static int io_req_defer_prep(struct io_kiocb *req,
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ret = io_prep_work_files(req);
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ret = io_prep_work_files(req);
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if (unlikely(ret))
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if (unlikely(ret))
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return ret;
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return ret;
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io_prep_async_work(req);
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return io_req_prep(req, sqe);
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return io_req_prep(req, sqe);
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}
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}
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