io_uring: add register/unregister napi function

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This adds an api to register and unregister the napi for io-uring. If
the arg value is specified when unregistering, the current napi setting
for the busy poll timeout is copied into the user structure. If this is
not required, NULL can be passed as the arg value.

Signed-off-by: Stefan Roesch <shr@devkernel.io>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Link: https://lore.kernel.org/r/20230608163839.2891748-7-shr@devkernel.io
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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This commit is contained in:

Stefan Roesch 2023-06-08 09:38:38 -07:00 • committed by Jens Axboe

parent ff183d427d

commit ef1186c1a8

4 changed files with 88 additions and 0 deletions

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12

include/uapi/linux/io_uring.h

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52

io_uring/napi.c

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11

io_uring/napi.h

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13

io_uring/register.c

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