[linux-nvme:nvme-6.11 10/16] drivers/nvme/target/debugfs.c:16:15: sparse: sparse: symbol 'nvmet_debugfs' was not declared. Should it be static?

[kernel test robot]

tree:   git://git.infradead.org/nvme.git nvme-6.11
head:   30576c4bdf564c6afef97a6306e5aae7f2fd744b
commit: 7586ba95433d12335aa71bfc0ff61654a79797aa [10/16] nvmet: add debugfs support
config: mips-randconfig-r111-20240620 (https://download.01.org/0day-ci/archive/20240620/202406200501.5DrFu8Fu-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 78ee473784e5ef6f0b19ce4cb111fb6e4d23c6b2)
reproduce: (https://download.01.org/0day-ci/archive/20240620/202406200501.5DrFu8Fu-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202406200501.5DrFu8Fu-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/nvme/target/debugfs.c:16:15: sparse: sparse: symbol 'nvmet_debugfs' was not declared. Should it be static?

vim +/nvmet_debugfs +16 drivers/nvme/target/debugfs.c

    15	
  > 16	struct dentry *nvmet_debugfs;
    17	

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