Hi Ming, [FYI, it's a private test report for your RFC patch.] [auto build test ERROR on block/for-next] [also build test ERROR on dennis-percpu/for-next linus/master v5.12-rc7 next-20210415] [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/Ming-Lei/block-support-to-freeze... base: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next config: parisc-randconfig-r023-20210415 (attached as .config) compiler: hppa-linux-gcc (GCC) 9.3.0 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/efe3badef858ce63a834964692be0d07d... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Ming-Lei/block-support-to-freeze-bio-based-queue/20210415-183554 git checkout efe3badef858ce63a834964692be0d07d82c155e # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross W=1 ARCH=parisc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): drivers/nvme/host/core.c: In function 'nvme_end_req': 349 | __blk_queue_exit(ns->head->disk->queue, nr); | ^~ vim +349 drivers/nvme/host/core.c 322 323 static inline void nvme_end_req(struct request *req) 324 { 325 blk_status_t status = nvme_error_status(nvme_req(req)->status); 326 const bool mpath = req->cmd_flags & REQ_NVME_MPATH; 327 unsigned int nr = 0; 328 struct bio *bio; 329 struct nvme_ns *ns; 330 331 if (IS_ENABLED(CONFIG_BLK_DEV_ZONED) && 332 req_op(req) == REQ_OP_ZONE_APPEND) 333 req->__sector = nvme_lba_to_sect(req->q->queuedata, 334 le64_to_cpu(nvme_req(req)->result.u64)); 335 336 if (mpath) { 337 ns = req->q->queuedata; 338 __rq_for_each_bio(bio, req) 339 nr++; 340 } 341 nvme_trace_bio_complete(req); 342 blk_mq_end_request(req, status); 343 344 /* 345 * We changed multipath bio->bi_bdev, so have to drop the queue 346 * reference manually 347 */ 348 if (mpath && nr) 350 } 351 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org