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Bottomley" , "Martin K. Petersen" , Thomas Fourier , Al Viro , Luke Wang , Kees Cook , linux-block@vger.kernel.org Subject: Re: [PATCH v1] block: switch numa_node to int in blk_mq_hw_ctx and init_request Message-ID: <202605282203.xhTf7sMS-lkp@intel.com> References: <20260523125210.272274-1-mateusz.nowicki@posteo.net> Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260523125210.272274-1-mateusz.nowicki@posteo.net> Hi Mateusz, kernel test robot noticed the following build errors: [auto build test ERROR on 45255ea1ca096b11b1303c9b54502a28f3a31dd1] url: https://github.com/intel-lab-lkp/linux/commits/Mateusz-Nowicki/block-switch-numa_node-to-int-in-blk_mq_hw_ctx-and-init_request/20260523-205439 base: 45255ea1ca096b11b1303c9b54502a28f3a31dd1 patch link: https://lore.kernel.org/r/20260523125210.272274-1-mateusz.nowicki%40posteo.net patch subject: [PATCH v1] block: switch numa_node to int in blk_mq_hw_ctx and init_request config: x86_64-rhel-9.4-rust (https://download.01.org/0day-ci/archive/20260528/202605282203.xhTf7sMS-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) rustc: rustc 1.88.0 (6b00bc388 2025-06-23) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260528/202605282203.xhTf7sMS-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202605282203.xhTf7sMS-lkp@intel.com/ All errors (new ones prefixed by >>): >> error[E0308]: mismatched types --> rust/kernel/block/mq/operations.rs:274:28 | 274 | init_request: Some(Self::init_request_callback), | ---- ^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected fn pointer, found fn item | | | arguments to this enum variant are incorrect | = note: expected fn pointer `unsafe extern "C" fn(_, _, _, i32) -> _` found fn item `unsafe extern "C" fn(_, _, _, u32) -> _ {OperationsVTable::::init_request_callback}` help: the type constructed contains `unsafe extern "C" fn(*mut blk_mq_tag_set, *mut bindings::request, u32, u32) -> i32 {OperationsVTable::::init_request_callback}` due to the type of the argument passed --> rust/kernel/block/mq/operations.rs:274:23 | 274 | init_request: Some(Self::init_request_callback), | ^^^^^---------------------------^ | | | this argument influences the type of `Some` note: tuple variant defined here --> /opt/cross/rustc-1.88.0-bindgen-0.72.1/rustup/toolchains/1.88.0-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/option.rs:597:5 | 597 | Some(#[stable(feature = "rust1", since = "1.0.0")] T), | ^^^^ -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki