Hi Christoph, I love your patch! Perhaps something to improve: [auto build test WARNING on axboe-block/for-next] [also build test WARNING on ceph-client/for-linus xen-tip/linux-next device-mapper-dm/for-next linus/master v5.17-rc4 next-20220216] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Christoph-Hellwig/block-fix-surp... base: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next config: nds32-allnoconfig (https://download.01.org/0day-ci/archive/20220217/202202170106.0gjJs3bN-lk...) compiler: nds32le-linux-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/97d6b5e4c96fcbf1dc26120c918dd1bac... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Christoph-Hellwig/block-fix-surprise-removal-for-drivers-calling-blk_set_queue_dying/20220216-231057 git checkout 97d6b5e4c96fcbf1dc26120c918dd1baca987188 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=nds32 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): vim +296 block/blk-core.c 8e141f9eb803e20 Christoph Hellwig 2021-09-29 287 97d6b5e4c96fcbf Christoph Hellwig 2022-02-16 288 /** 97d6b5e4c96fcbf Christoph Hellwig 2022-02-16 289 * blk_set_disk_dead - mark a disk as dead 97d6b5e4c96fcbf Christoph Hellwig 2022-02-16 290 * @disk: disk to mark as dead 97d6b5e4c96fcbf Christoph Hellwig 2022-02-16 291 * 97d6b5e4c96fcbf Christoph Hellwig 2022-02-16 292 * Mark as disk as dead (e.g. surprise removed) and don't accept any new I/O 97d6b5e4c96fcbf Christoph Hellwig 2022-02-16 293 * to this disk. 97d6b5e4c96fcbf Christoph Hellwig 2022-02-16 294 */ 97d6b5e4c96fcbf Christoph Hellwig 2022-02-16 295 void blk_mark_disk_dead(struct gendisk *disk) 8e141f9eb803e20 Christoph Hellwig 2021-09-29 @296 { 97d6b5e4c96fcbf Christoph Hellwig 2022-02-16 297 set_bit(GD_DEAD, &disk->state); 97d6b5e4c96fcbf Christoph Hellwig 2022-02-16 298 blk_queue_start_drain(disk->queue); 8e141f9eb803e20 Christoph Hellwig 2021-09-29 299 } 97d6b5e4c96fcbf Christoph Hellwig 2022-02-16 300 EXPORT_SYMBOL_GPL(blk_mark_disk_dead); aed3ea94bdd2ac0 Jens Axboe 2014-12-22 301 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org