Hi Keith, kernel test robot noticed the following build warnings: [auto build test WARNING on axboe-block/for-next] [also build test WARNING on next-20230406] [cannot apply to linus/master v6.3-rc5] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Keith-Busch/block-add-request-polling-helper/20230408-031926 base: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next patch link: https://lore.kernel.org/r/20230407191636.2631046-3-kbusch%40meta.com patch subject: [PATCHv2 2/5] nvme: simplify passthrough bio cleanup config: ia64-allyesconfig (https://download.01.org/0day-ci/archive/20230408/202304080846.C2qDQtUd-lkp@xxxxxxxxx/config) compiler: ia64-linux-gcc (GCC) 12.1.0 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/intel-lab-lkp/linux/commit/9a32e7ca02dd8cff559b273fe161b5347b5b5c97 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Keith-Busch/block-add-request-polling-helper/20230408-031926 git checkout 9a32e7ca02dd8cff559b273fe161b5347b5b5c97 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=ia64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=ia64 SHELL=/bin/bash drivers/nvme/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202304080846.C2qDQtUd-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/nvme/host/ioctl.c: In function 'nvme_submit_user_cmd': >> drivers/nvme/host/ioctl.c:232:21: warning: variable 'bio' set but not used [-Wunused-but-set-variable] 232 | struct bio *bio; | ^~~ drivers/nvme/host/ioctl.c: In function 'nvme_uring_cmd_end_io_meta': drivers/nvme/host/ioctl.c:528:36: warning: unused variable 'pdu' [-Wunused-variable] 528 | struct nvme_uring_cmd_pdu *pdu = nvme_uring_cmd_pdu(ioucmd); | ^~~ vim +/bio +232 drivers/nvme/host/ioctl.c 2405252a680e21 Christoph Hellwig 2021-04-10 222 bcad2565b5d647 Christoph Hellwig 2022-05-11 223 static int nvme_submit_user_cmd(struct request_queue *q, 7b7fdb8e2dbc15 Christoph Hellwig 2023-01-08 224 struct nvme_command *cmd, u64 ubuffer, unsigned bufflen, 7b7fdb8e2dbc15 Christoph Hellwig 2023-01-08 225 void __user *meta_buffer, unsigned meta_len, u32 meta_seed, 7b7fdb8e2dbc15 Christoph Hellwig 2023-01-08 226 u64 *result, unsigned timeout, unsigned int flags) bcad2565b5d647 Christoph Hellwig 2022-05-11 227 { 62281b9ed671be Christoph Hellwig 2022-12-14 228 struct nvme_ns *ns = q->queuedata; bc8fb906b0ff93 Keith Busch 2022-09-19 229 struct nvme_ctrl *ctrl; bcad2565b5d647 Christoph Hellwig 2022-05-11 230 struct request *req; bcad2565b5d647 Christoph Hellwig 2022-05-11 231 void *meta = NULL; bcad2565b5d647 Christoph Hellwig 2022-05-11 @232 struct bio *bio; bc8fb906b0ff93 Keith Busch 2022-09-19 233 u32 effects; bcad2565b5d647 Christoph Hellwig 2022-05-11 234 int ret; bcad2565b5d647 Christoph Hellwig 2022-05-11 235 470e900c8036ff Kanchan Joshi 2022-09-30 236 req = nvme_alloc_user_request(q, cmd, 0, 0); bcad2565b5d647 Christoph Hellwig 2022-05-11 237 if (IS_ERR(req)) bcad2565b5d647 Christoph Hellwig 2022-05-11 238 return PTR_ERR(req); bcad2565b5d647 Christoph Hellwig 2022-05-11 239 470e900c8036ff Kanchan Joshi 2022-09-30 240 req->timeout = timeout; 470e900c8036ff Kanchan Joshi 2022-09-30 241 if (ubuffer && bufflen) { 470e900c8036ff Kanchan Joshi 2022-09-30 242 ret = nvme_map_user_request(req, ubuffer, bufflen, meta_buffer, 7b7fdb8e2dbc15 Christoph Hellwig 2023-01-08 243 meta_len, meta_seed, &meta, NULL, flags); 470e900c8036ff Kanchan Joshi 2022-09-30 244 if (ret) 470e900c8036ff Kanchan Joshi 2022-09-30 245 return ret; 470e900c8036ff Kanchan Joshi 2022-09-30 246 } 470e900c8036ff Kanchan Joshi 2022-09-30 247 bcad2565b5d647 Christoph Hellwig 2022-05-11 248 bio = req->bio; bc8fb906b0ff93 Keith Busch 2022-09-19 249 ctrl = nvme_req(req)->ctrl; bcad2565b5d647 Christoph Hellwig 2022-05-11 250 62281b9ed671be Christoph Hellwig 2022-12-14 251 effects = nvme_passthru_start(ctrl, ns, cmd->common.opcode); 62281b9ed671be Christoph Hellwig 2022-12-14 252 ret = nvme_execute_rq(req, false); 2405252a680e21 Christoph Hellwig 2021-04-10 253 if (result) 2405252a680e21 Christoph Hellwig 2021-04-10 254 *result = le64_to_cpu(nvme_req(req)->result.u64); bcad2565b5d647 Christoph Hellwig 2022-05-11 255 if (meta) bcad2565b5d647 Christoph Hellwig 2022-05-11 256 ret = nvme_finish_user_metadata(req, meta_buffer, meta, bcad2565b5d647 Christoph Hellwig 2022-05-11 257 meta_len, ret); 2405252a680e21 Christoph Hellwig 2021-04-10 258 blk_mq_free_request(req); bc8fb906b0ff93 Keith Busch 2022-09-19 259 bc8fb906b0ff93 Keith Busch 2022-09-19 260 if (effects) bc8fb906b0ff93 Keith Busch 2022-09-19 261 nvme_passthru_end(ctrl, effects, cmd, ret); bc8fb906b0ff93 Keith Busch 2022-09-19 262 2405252a680e21 Christoph Hellwig 2021-04-10 263 return ret; 2405252a680e21 Christoph Hellwig 2021-04-10 264 } 2405252a680e21 Christoph Hellwig 2021-04-10 265 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
