Re: [PATCH v4 1/6] io_uring/mock: add basic infra for test mock files

[Jens Axboe <axboe@kernel.dk>]

On 5/30/25 6:51 AM, Pavel Begunkov wrote:
> diff --git a/init/Kconfig b/init/Kconfig
> index 63f5974b9fa6..9e8a5b810804 100644
> --- a/init/Kconfig
> +++ b/init/Kconfig
> @@ -1774,6 +1774,17 @@ config GCOV_PROFILE_URING
>  	  the io_uring subsystem, hence this should only be enabled for
>  	  specific test purposes.
>  
> +config IO_URING_MOCK_FILE
> +	tristate "Enable io_uring mock files (Experimental)" if EXPERT
> +	default n
> +	depends on IO_URING && KASAN
> +	help
> +	  Enable mock files for io_uring subststem testing. The ABI might
> +	  still change, so it's still experimental and should only be enabled
> +	  for specific test purposes.
> +
> +	  If unsure, say N.

As mentioned in the other email, I don't think we should include KASAN
here.

> +struct io_uring_mock_create {
> +	__u32		out_fd;
> +	__u32		flags;
> +	__u64		__resv[15];
> +};

Do we want to have a type here for this? Eg regular file, pipe, socket,
etc?

-- 
Jens Axboe