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>
This commit is contained in:
Pavel Begunkov 2026-08-07 14:19:23 +01:00 • committed by Jens Axboe
commit 7b188cf990