io_uring : correct timeout req sequence when waiting timeout
The sequence number of reqs on the timeout_list before the timeout req should be adjusted in io_timeout_fn(), because the current timeout req will consumes a slot in the cq_ring and cq_tail pointer will be increased, otherwise other timeout reqs may return in advance without waiting for enough wait_nr. Signed-off-by: zhangyi (F) <yi.zhang@huawei.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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