Re: [PATCH RFC v9 2/2] nfsd: Initial implementation of NFSv4 Courteous Server

[kernel test robot <lkp@intel.com>]

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Hi Dai,

[FYI, it's a private test report for your RFC patch.]
[auto build test WARNING on linus/master]
[also build test WARNING on v5.16 next-20220110]
[cannot apply to cel-2.6/for-next jlayton/linux-next]
[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/Dai-Ngo/nfsd-Initial-implementation-of-NFSv4-Courteous-Server/20220111-025146
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git df0cc57e057f18e44dac8e6c18aba47ab53202f9
config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20220111/202201110428.jF9JKms7-lkp(a)intel.com/config)
compiler: m68k-linux-gcc (GCC) 11.2.0
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/0day-ci/linux/commit/9d727ed1cc3cca2c8f60573a24cfcddb9780c5e7
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Dai-Ngo/nfsd-Initial-implementation-of-NFSv4-Courteous-Server/20220111-025146
        git checkout 9d727ed1cc3cca2c8f60573a24cfcddb9780c5e7
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=m68k SHELL=/bin/bash fs/nfsd/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> fs/nfsd/nfs4state.c:167:1: warning: no previous prototype for 'renew_client_locked' [-Wmissing-prototypes]
     167 | renew_client_locked(struct nfs4_client *clp)
         | ^~~~~~~~~~~~~~~~~~~


vim +/renew_client_locked +167 fs/nfsd/nfs4state.c

221a68766973d7 J. Bruce Fields 2013-04-01  162  
9d727ed1cc3cca Dai Ngo         2022-01-10  163  /* must be called under the client_lock
221a68766973d7 J. Bruce Fields 2013-04-01  164  static inline void
9d727ed1cc3cca Dai Ngo         2022-01-10  165  */
9d727ed1cc3cca Dai Ngo         2022-01-10  166  void
221a68766973d7 J. Bruce Fields 2013-04-01 @167  renew_client_locked(struct nfs4_client *clp)
221a68766973d7 J. Bruce Fields 2013-04-01  168  {
221a68766973d7 J. Bruce Fields 2013-04-01  169  	struct nfsd_net *nn = net_generic(clp->net, nfsd_net_id);
221a68766973d7 J. Bruce Fields 2013-04-01  170  
221a68766973d7 J. Bruce Fields 2013-04-01  171  	if (is_client_expired(clp)) {
221a68766973d7 J. Bruce Fields 2013-04-01  172  		WARN_ON(1);
221a68766973d7 J. Bruce Fields 2013-04-01  173  		printk("%s: client (clientid %08x/%08x) already expired\n",
221a68766973d7 J. Bruce Fields 2013-04-01  174  			__func__,
221a68766973d7 J. Bruce Fields 2013-04-01  175  			clp->cl_clientid.cl_boot,
221a68766973d7 J. Bruce Fields 2013-04-01  176  			clp->cl_clientid.cl_id);
221a68766973d7 J. Bruce Fields 2013-04-01  177  		return;
221a68766973d7 J. Bruce Fields 2013-04-01  178  	}
221a68766973d7 J. Bruce Fields 2013-04-01  179  
221a68766973d7 J. Bruce Fields 2013-04-01  180  	list_move_tail(&clp->cl_lru, &nn->client_lru);
20b7d86f29d39e Arnd Bergmann   2019-11-04  181  	clp->cl_time = ktime_get_boottime_seconds();
9d727ed1cc3cca Dai Ngo         2022-01-10  182  	clear_bit(NFSD4_COURTESY_CLIENT, &clp->cl_flags);
221a68766973d7 J. Bruce Fields 2013-04-01  183  }
9d727ed1cc3cca Dai Ngo         2022-01-10  184  EXPORT_SYMBOL_GPL(renew_client_locked);
221a68766973d7 J. Bruce Fields 2013-04-01  185  

---
0-DAY CI Kernel Test Service, Intel Corporation
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