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io_uring/zcrx: coalesce same-niov RQEs on refill
With large rx piages I often see >10 sequential RQEs referring to the same niov. Instead of putting them one by one, count such RQEs during parsing and batch refcounting for the niov. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://patch.msgid.link/71f11d5de47553f187737e0e892ab783b03f53b1.1786108672.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
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