[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'

[kernel test robot]

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 at intel.com>

All warnings (new ones prefixed by >>):

>> drivers/nvme/target/zns.c:257:6: warning: no previous prototype for function 'nvmet_bdev_zone_zmgmt_recv_work' [-Wmissing-prototypes]
   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	
 > 257	void nvmet_bdev_zone_zmgmt_recv_work(struct work_struct *w)
   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
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