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Fri, 30 May 2025 06:28:47 -0700 (PDT) Message-ID: Date: Fri, 30 May 2025 07:28:46 -0600 Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 1/6] io_uring/mock: add basic infra for test mock files To: Pavel Begunkov , io-uring@vger.kernel.org References: <6c51a2bb26dbb74cbe1ca0da137a77f7aaa59b6c.1748609413.git.asml.silence@gmail.com> Content-Language: en-US From: Jens Axboe In-Reply-To: <6c51a2bb26dbb74cbe1ca0da137a77f7aaa59b6c.1748609413.git.asml.silence@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit 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