Re: [PATCH] smb: client: hide unused cifs_debug_dirs_proc_ops
kernel test robot <[email protected]> Thu, 30 Apr 2026 04:37:37 +0800
| Newsgroups | gmane.linux.kernel,gmane.linux.kernel.cifs,gmane.network.samba.internals |
|---|---|
| Message-ID | <[email protected]> |
Hi Arnd, kernel test robot noticed the following build warnings: [auto build test WARNING on next-20260424] [also build test WARNING on linus/master v7.1-rc1] [cannot apply to v7.0 v7.0-rc7 v7.0-rc6] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Arnd-Bergmann/smb-client-hide-unused-cifs_debug_dirs_proc_ops/20260426-163431 base: next-20260424 patch link: https://lore.kernel.org/r/20260423065042.1898971-1-arnd%40kernel.org patch subject: [PATCH] smb: client: hide unused cifs_debug_dirs_proc_ops config: microblaze-defconfig (https://download.01.org/0day-ci/archive/20260430/[email protected]/config) compiler: microblaze-linux-gcc (GCC) 15.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260430/[email protected]/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 <[email protected]> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ All warnings (new ones prefixed by >>): fs/smb/client/cifs_debug.c: In function 'cifs_proc_init': fs/smb/client/cifs_debug.c:937:55: error: 'cifs_debug_dirs_proc_ops' undeclared (first use in this function); did you mean 'cifs_debug_dirs_proc_show'? 937 | proc_create("open_dirs", 0600, proc_fs_cifs, &cifs_debug_dirs_proc_ops); | ^~~~~~~~~~~~~~~~~~~~~~~~ | cifs_debug_dirs_proc_show fs/smb/client/cifs_debug.c:937:55: note: each undeclared identifier is reported only once for each function it appears in fs/smb/client/cifs_debug.c: At top level: >> fs/smb/client/cifs_debug.c:298:12: warning: 'cifs_debug_dirs_proc_show' defined but not used [-Wunused-function] 298 | static int cifs_debug_dirs_proc_show(struct seq_file *m, void *v) | ^~~~~~~~~~~~~~~~~~~~~~~~~ vim +/cifs_debug_dirs_proc_show +298 fs/smb/client/cifs_debug.c dfe33f9abc08997 fs/cifs/cifs_debug.c Steve French 2018-10-30 297 844e5c0eb1767d5 fs/smb/client/cifs_debug.c Steve French 2025-07-28 @298 static int cifs_debug_dirs_proc_show(struct seq_file *m, void *v) 844e5c0eb1767d5 fs/smb/client/cifs_debug.c Steve French 2025-07-28 299 { 844e5c0eb1767d5 fs/smb/client/cifs_debug.c Steve French 2025-07-28 300 struct list_head *stmp, *tmp, *tmp1; 844e5c0eb1767d5 fs/smb/client/cifs_debug.c Steve French 2025-07-28 301 struct TCP_Server_Info *server; 844e5c0eb1767d5 fs/smb/client/cifs_debug.c Steve French 2025-07-28 302 struct cifs_ses *ses; 844e5c0eb1767d5 fs/smb/client/cifs_debug.c Steve French 2025-07-28 303 struct cifs_tcon *tcon; 844e5c0eb1767d5 fs/smb/client/cifs_debug.c Steve French 2025-07-28 304 struct cached_fids *cfids; 844e5c0eb1767d5 fs/smb/client/cifs_debug.c Steve French 2025-07-28 305 struct cached_fid *cfid; 844e5c0eb1767d5 fs/smb/client/cifs_debug.c Steve French 2025-07-28 306 LIST_HEAD(entry); 844e5c0eb1767d5 fs/smb/client/cifs_debug.c Steve French 2025-07-28 307 844e5c0eb1767d5 fs/smb/client/cifs_debug.c Steve French 2025-07-28 308 seq_puts(m, "# Version:1\n"); d492a4e7d4d64fc fs/smb/client/cifs_debug.c Arnd Bergmann 2026-04-23 309 #ifdef CONFIG_CIFS_DEBUG2 17d912d54f23058 fs/smb/client/cifs_debug.c Enzo Matsumiya 2026-04-22 310 seq_puts(m, "# Write 0 to this file to drop all cached directory entries\n"); 17d912d54f23058 fs/smb/client/cifs_debug.c Enzo Matsumiya 2026-04-22 311 #endif /* CONFIG_CIFS_DEBUG */ 844e5c0eb1767d5 fs/smb/client/cifs_debug.c Steve French 2025-07-28 312 seq_puts(m, "# Format:\n"); f78b83dce273ff2 fs/smb/client/cifs_debug.c Bharath SM 2025-10-30 313 seq_puts(m, "# <tree id> <sess id> <persistent fid> <lease-key> <path>\n"); 844e5c0eb1767d5 fs/smb/client/cifs_debug.c Steve French 2025-07-28 314 844e5c0eb1767d5 fs/smb/client/cifs_debug.c Steve French 2025-07-28 315 spin_lock(&cifs_tcp_ses_lock); 844e5c0eb1767d5 fs/smb/client/cifs_debug.c Steve French 2025-07-28 316 list_for_each(stmp, &cifs_tcp_ses_list) { 844e5c0eb1767d5 fs/smb/client/cifs_debug.c Steve French 2025-07-28 317 server = list_entry(stmp, struct TCP_Server_Info, 844e5c0eb1767d5 fs/smb/client/cifs_debug.c Steve French 2025-07-28 318 tcp_ses_list); 844e5c0eb1767d5 fs/smb/client/cifs_debug.c Steve French 2025-07-28 319 list_for_each(tmp, &server->smb_ses_list) { 844e5c0eb1767d5 fs/smb/client/cifs_debug.c Steve French 2025-07-28 320 ses = list_entry(tmp, struct cifs_ses, smb_ses_list); 844e5c0eb1767d5 fs/smb/client/cifs_debug.c Steve French 2025-07-28 321 list_for_each(tmp1, &ses->tcon_list) { 844e5c0eb1767d5 fs/smb/client/cifs_debug.c Steve French 2025-07-28 322 tcon = list_entry(tmp1, struct cifs_tcon, tcon_list); 844e5c0eb1767d5 fs/smb/client/cifs_debug.c Steve French 2025-07-28 323 cfids = tcon->cfids; 6976c7a69dafbb3 fs/smb/client/cifs_debug.c Wang Zhaolong 2025-08-29 324 if (!cfids) 6976c7a69dafbb3 fs/smb/client/cifs_debug.c Wang Zhaolong 2025-08-29 325 continue; 844e5c0eb1767d5 fs/smb/client/cifs_debug.c Steve French 2025-07-28 326 spin_lock(&cfids->cfid_list_lock); /* check lock ordering */ 63eb8bd6c81d84a fs/smb/client/cifs_debug.c Bharath SM 2025-09-29 327 seq_printf(m, "Num entries: %d, cached_dirents: %lu entries, %llu bytes\n", 63eb8bd6c81d84a fs/smb/client/cifs_debug.c Bharath SM 2025-09-29 328 cfids->num_entries, 63eb8bd6c81d84a fs/smb/client/cifs_debug.c Bharath SM 2025-09-29 329 (unsigned long)atomic_long_read(&cfids->total_dirents_entries), 63eb8bd6c81d84a fs/smb/client/cifs_debug.c Bharath SM 2025-09-29 330 (unsigned long long)atomic64_read(&cfids->total_dirents_bytes)); 844e5c0eb1767d5 fs/smb/client/cifs_debug.c Steve French 2025-07-28 331 list_for_each_entry(cfid, &cfids->entries, entry) { f78b83dce273ff2 fs/smb/client/cifs_debug.c Bharath SM 2025-10-30 332 seq_printf(m, "0x%x 0x%llx 0x%llx ", 844e5c0eb1767d5 fs/smb/client/cifs_debug.c Steve French 2025-07-28 333 tcon->tid, 844e5c0eb1767d5 fs/smb/client/cifs_debug.c Steve French 2025-07-28 334 ses->Suid, f78b83dce273ff2 fs/smb/client/cifs_debug.c Bharath SM 2025-10-30 335 cfid->fid.persistent_fid); f78b83dce273ff2 fs/smb/client/cifs_debug.c Bharath SM 2025-10-30 336 if (cfid->has_lease) f78b83dce273ff2 fs/smb/client/cifs_debug.c Bharath SM 2025-10-30 337 seq_printf(m, "%pUl ", cfid->fid.lease_key); f78b83dce273ff2 fs/smb/client/cifs_debug.c Bharath SM 2025-10-30 338 else f78b83dce273ff2 fs/smb/client/cifs_debug.c Bharath SM 2025-10-30 339 seq_puts(m, "- "); f78b83dce273ff2 fs/smb/client/cifs_debug.c Bharath SM 2025-10-30 340 seq_printf(m, "%s", cfid->path); 844e5c0eb1767d5 fs/smb/client/cifs_debug.c Steve French 2025-07-28 341 if (cfid->file_all_info_is_valid) 844e5c0eb1767d5 fs/smb/client/cifs_debug.c Steve French 2025-07-28 342 seq_printf(m, "\tvalid file info"); 844e5c0eb1767d5 fs/smb/client/cifs_debug.c Steve French 2025-07-28 343 if (cfid->dirents.is_valid) 844e5c0eb1767d5 fs/smb/client/cifs_debug.c Steve French 2025-07-28 344 seq_printf(m, ", valid dirents"); 63eb8bd6c81d84a fs/smb/client/cifs_debug.c Bharath SM 2025-09-29 345 if (!list_empty(&cfid->dirents.entries)) 63eb8bd6c81d84a fs/smb/client/cifs_debug.c Bharath SM 2025-09-29 346 seq_printf(m, ", dirents: %lu entries, %lu bytes", 63eb8bd6c81d84a fs/smb/client/cifs_debug.c Bharath SM 2025-09-29 347 cfid->dirents.entries_count, cfid->dirents.bytes_used); 844e5c0eb1767d5 fs/smb/client/cifs_debug.c Steve French 2025-07-28 348 seq_printf(m, "\n"); 844e5c0eb1767d5 fs/smb/client/cifs_debug.c Steve French 2025-07-28 349 } 844e5c0eb1767d5 fs/smb/client/cifs_debug.c Steve French 2025-07-28 350 spin_unlock(&cfids->cfid_list_lock); 844e5c0eb1767d5 fs/smb/client/cifs_debug.c Steve French 2025-07-28 351 } 844e5c0eb1767d5 fs/smb/client/cifs_debug.c Steve French 2025-07-28 352 } 844e5c0eb1767d5 fs/smb/client/cifs_debug.c Steve French 2025-07-28 353 } 844e5c0eb1767d5 fs/smb/client/cifs_debug.c Steve French 2025-07-28 354 spin_unlock(&cifs_tcp_ses_lock); 844e5c0eb1767d5 fs/smb/client/cifs_debug.c Steve French 2025-07-28 355 seq_putc(m, '\n'); 844e5c0eb1767d5 fs/smb/client/cifs_debug.c Steve French 2025-07-28 356 return 0; 844e5c0eb1767d5 fs/smb/client/cifs_debug.c Steve French 2025-07-28 357 } 844e5c0eb1767d5 fs/smb/client/cifs_debug.c Steve French 2025-07-28 358 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki