io_uring/zcrx: export zcrx via a file

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Add an option to wrap a zcrx instance into a file and expose it to the
user space. Currently, users can't do anything meaningful with the file,
but it'll be used in a next patch to import it into another io_uring
instance. It's implemented as a new op called ZCRX_CTRL_EXPORT for the
IORING_REGISTER_ZCRX_CTRL registration opcode.

Signed-off-by: David Wei <dw@davidwei.uk>
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Pavel Begunkov 2025-11-13 10:46:16 +00:00 • committed by Jens Axboe

parent 742cb2e14e

commit d7af80b213

2 changed files with 72 additions and 7 deletions

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11

include/uapi/linux/io_uring.h

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68

io_uring/zcrx.c

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