io_uring: banish non-hot data to end of io_ring_ctx

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Let's move all slow path, setup/init and so on fields to the end of
io_ring_ctx, that makes ctx reorganisation later easier. That includes,
page arrays used only on tear down, CQ overflow list, old provided
buffer caches and used by io-wq poll hashes.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/fc471b63925a0bf90a34943c4d36163c523cfb43.1692916914.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Pavel Begunkov 2023-08-24 23:53:34 +01:00 • committed by Jens Axboe

parent d7f06fea5d

commit 18df385f42

1 changed files with 19 additions and 18 deletions

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37

include/linux/io_uring_types.h

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