fs/nfs/localio.c:209: undefined reference to `nfs_uuid_begin'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   e32cde8d2bd7d251a8f9b434143977ddf13dcec6
commit: 56bcd0f07fdbf9770284bedb982236ab881ef909 nfs: implement client support for NFS_LOCALIO_PROGRAM
date:   9 days ago
config: x86_64-randconfig-002-20241002 (https://download.01.org/0day-ci/archive/20241003/202410030044.O2B9RUd2-lkp@xxxxxxxxx/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241003/202410030044.O2B9RUd2-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202410030044.O2B9RUd2-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

   ld: fs/nfs/localio.o: in function `nfs_local_iocb_alloc':
   fs/nfs/localio.c:290: undefined reference to `nfs_to'
   ld: fs/nfs/localio.c:290: undefined reference to `nfs_to'
   ld: fs/nfs/localio.c:290: undefined reference to `nfs_to'
   ld: fs/nfs/localio.o: in function `nfs_local_pgio_release':
   fs/nfs/localio.c:344: undefined reference to `nfs_to'
   ld: fs/nfs/localio.c:344: undefined reference to `nfs_to'
   ld: fs/nfs/localio.o:fs/nfs/localio.c:344: more undefined references to `nfs_to' follow
   ld: fs/nfs/localio.o: in function `nfs_local_disable':
   fs/nfs/localio.c:140: undefined reference to `nfs_uuid_invalidate_one_client'
   ld: fs/nfs/localio.o: in function `nfs_local_probe':
>> fs/nfs/localio.c:209: undefined reference to `nfs_uuid_begin'
>> ld: fs/nfs/localio.c:212: undefined reference to `nfs_uuid_end'
   ld: fs/nfs/localio.o: in function `nfs_local_open_fh':
   fs/nfs/localio.c:233: undefined reference to `nfs_open_local_fh'
   ld: fs/nfs/localio.o: in function `nfs_local_doio':
   fs/nfs/localio.c:600: undefined reference to `nfs_to'
   ld: fs/nfs/localio.c:600: undefined reference to `nfs_to'
   ld: fs/nfs/localio.c:625: undefined reference to `nfs_to'
   ld: fs/nfs/localio.c:625: undefined reference to `nfs_to'
   ld: fs/nfs/localio.o: in function `nfs_local_release_commit_data':
   fs/nfs/localio.c:676: undefined reference to `nfs_to'
   ld: fs/nfs/localio.o:fs/nfs/localio.c:676: more undefined references to `nfs_to' follow


vim +209 fs/nfs/localio.c

   189	
   190	/*
   191	 * nfs_local_probe - probe local i/o support for an nfs_server and nfs_client
   192	 * - called after alloc_client and init_client (so cl_rpcclient exists)
   193	 * - this function is idempotent, it can be called for old or new clients
   194	 */
   195	void nfs_local_probe(struct nfs_client *clp)
   196	{
   197		/* Disallow localio if disabled via sysfs or AUTH_SYS isn't used */
   198		if (!localio_enabled ||
   199		    clp->cl_rpcclient->cl_auth->au_flavor != RPC_AUTH_UNIX) {
   200			nfs_local_disable(clp);
   201			return;
   202		}
   203	
   204		if (nfs_client_is_local(clp)) {
   205			/* If already enabled, disable and re-enable */
   206			nfs_local_disable(clp);
   207		}
   208	
 > 209		nfs_uuid_begin(&clp->cl_uuid);
   210		if (nfs_server_uuid_is_local(clp))
   211			nfs_local_enable(clp);
 > 212		nfs_uuid_end(&clp->cl_uuid);
   213	}
   214	EXPORT_SYMBOL_GPL(nfs_local_probe);
   215	

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