Hi Sebastian, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v5.14-rc5] [cannot apply to next-20210810] [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/Sebastian-Andrzej-Siewior/io-wq-... base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 9a73fa375d58fee5262dd16473c8e7522bdf44de config: x86_64-randconfig-a012-20210809 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 614c7d03877fd99c2de47429b15be3f00306a3bd) 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/7fd11421b3672d0230a9b529445014d99... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Sebastian-Andrzej-Siewior/io-wq-remove-GFP_ATOMIC-allocation-off-schedule-out-path/20210810-154135 git checkout 7fd11421b3672d0230a9b529445014d99185b387 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=x86_64 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 errors (new ones prefixed by >>): wq = worker->wq; ~~~~~~ ^ 1 error generated. vim +286 fs/io-wq.c 276 277 static void create_worker_cb(struct callback_head *cb) 278 { 279 struct io_worker *worker; 280 struct io_wq *wq; 281 struct io_wqe *wqe; 282 struct io_wqe_acct *acct; 283 284 worker = container_of(cb, struct io_worker, create_work); 285 wqe = worker->wqe; 287 acct = &wqe->acct[worker->create_index]; 288 raw_spin_lock_irq(&wqe->lock); 289 if (acct->nr_workers < acct->max_workers) 290 acct->nr_workers++; 291 raw_spin_unlock_irq(&wqe->lock); 292 create_io_worker(wq, wqe, worker->create_index); 293 clear_bit_unlock(0, &worker->create_state); 294 io_worker_release(worker); 295 } 296 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org