[kbuild-all] [linux-nvme:nvme-5.14 32/32] drivers/nvme/target/zns.c:257:6: warning: no previous prototype for function 'nvmet_bdev_zone_zmgmt_recv_work'

tree: git://git.infradead.org/nvme.git nvme-5.14 head: 9653e01d9c3c46930da3f007a39a2aaf230bd8ff commit: 9653e01d9c3c46930da3f007a39a2aaf230bd8ff [32/32] nvmet: add ZBD over ZNS backend support config: x86_64-randconfig-a014-20210615 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 64720f57bea6a6bf033feef4a5751ab9c0c3b401) 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 # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu git remote add linux-nvme git://git.infradead.org/nvme.git git fetch --no-tags linux-nvme nvme-5.14 git checkout 9653e01d9c3c46930da3f007a39a2aaf230bd8ff # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 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 >>): void nvmet_bdev_zone_zmgmt_recv_work(struct work_struct *w) ^ drivers/nvme/target/zns.c:257:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void nvmet_bdev_zone_zmgmt_recv_work(struct work_struct *w) ^ static 1 warning generated. vim +/nvmet_bdev_zone_zmgmt_recv_work +257 drivers/nvme/target/zns.c 256 258 { 259 struct nvmet_req *req = container_of(w, struct nvmet_req, z.zmgmt_work); 260 sector_t start_sect = nvmet_lba_to_sect(req->ns, req->cmd->zmr.slba); 261 unsigned long req_slba_nr_zones = nvmet_req_nr_zones_from_slba(req); 262 u32 out_bufsize = (le32_to_cpu(req->cmd->zmr.numd) + 1) << 2; 263 __le64 nr_zones; 264 u16 status; 265 int ret; 266 struct nvmet_report_zone_data rz_data = { 267 .out_nr_zones = get_nr_zones_from_buf(req, out_bufsize), 268 /* leave the place for report zone header */ 269 .out_buf_offset = sizeof(struct nvme_zone_report), 270 .zrasf = req->cmd->zmr.zrasf, 271 .nr_zones = 0, 272 .req = req, 273 }; 274 275 status = nvmet_bdev_validate_zone_mgmt_recv(req); 276 if (status) 277 goto out; 278 279 if (!req_slba_nr_zones) { 280 status = NVME_SC_SUCCESS; 281 goto out; 282 } 283 284 ret = blkdev_report_zones(req->ns->bdev, start_sect, req_slba_nr_zones, 285 nvmet_bdev_report_zone_cb, &rz_data); 286 if (ret < 0) { 287 status = NVME_SC_INTERNAL; 288 goto out; 289 } 290 291 /* 292 * When partial bit is set nr_zones must indicate the number of zone 293 * descriptors actually transferred. 294 */ 295 if (req->cmd->zmr.pr) 296 rz_data.nr_zones = min(rz_data.nr_zones, rz_data.out_nr_zones); 297 298 nr_zones = cpu_to_le64(rz_data.nr_zones); 299 status = nvmet_copy_to_sgl(req, 0, &nr_zones, sizeof(nr_zones)); 300 301 out: 302 nvmet_req_complete(req, status); 303 } 304 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org