tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 46d28312ab3cc0cfe7e8dea2f41d22fe4ac35e67 commit: 3830dbeebc54a74b56b8253c33857b38fae427fb [21953/23581] dm: revert partial fix for redundant bio-based IO accounting config: x86_64-buildonly-randconfig-004-20240825 (https://download.01.org/0day-ci/archive/20240829/202408291146.oKKBq2Iw-lkp@i...) compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240829/202408291146.oKKBq2Iw-lkp@i...)

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 lkp@intel.com | Closes: https://lore.kernel.org/oe-kbuild-all/202408291146.oKKBq2Iw-lkp@intel.com/

All warnings (new ones prefixed by >>):

In file included from drivers/md/dm.c:8: In file included from drivers/md/dm-core.h:14: In file included from include/linux/blk-mq.h:5: In file included from include/linux/blkdev.h:16: include/linux/pagemap.h:425:21: warning: cast from 'int (*)(struct file *, struct page *)' to 'filler_t *' (aka 'int (*)(void *, struct page *)') converts to incompatible function type [-Wcast-function-type-strict] 425 | filler_t *filler = (filler_t *)mapping->a_ops->readpage; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated.

...

drivers/md/.tmp_dm.o: warning: objtool: dm_process_bio()+0x2f4: unreachable instruction