[koverstreet-bcachefs:bcachefs-testing 198/199] fs/bcachefs/bset.c:535:3: error: call to undeclared function '__bch2_bset_verify_rw_aux_tree'; ISO C99 and later do not support implicit function declarations

[koverstreet-bcachefs:bcachefs-testing 198/199] fs/bcachefs/bset.c:535:3: error: call to undeclared function '__bch2_bset_verify_rw_aux_tree'; ISO C99 and later do not support implicit function declarations

[kernel test robot]

tree:   https://github.com/koverstreet/bcachefs bcachefs-testing
head:   d815fb1b379fb43f7a33d1bede6efea16b6405e6
commit: e8a89a1d80edd0d477f297b75cbc2dce8ce4da11 [198/199] bcachefs: debug_check_bset_lookups
config: i386-buildonly-randconfig-004-20250511 (https://download.01.org/0day-ci/archive/20250511/202505110711.TyfjEvFi-lkp@intel.com/config)
compiler: clang version 20.1.2 (https://github.com/llvm/llvm-project 58df0ef89dd64126512e4ee27b4ac3fd8ddf6247)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250511/202505110711.TyfjEvFi-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202505110711.TyfjEvFi-lkp@intel.com/

All error/warnings (new ones prefixed by >>):

>> fs/bcachefs/bset.c:531:8: warning: attribute declaration must precede definition [-Wignored-attributes]
     531 | static inline void bch2_bset_verify_rw_aux_tree(struct btree *b,
         |        ^
   include/linux/compiler_types.h:236:23: note: expanded from macro 'inline'
     236 | #define inline inline __gnu_inline __inline_maybe_unused notrace
         |                       ^
   include/linux/compiler_attributes.h:165:56: note: expanded from macro '__gnu_inline'
     165 | #define __gnu_inline                    __attribute__((__gnu_inline__))
         |                                                        ^
   fs/bcachefs/bset.c:499:13: note: previous definition is here
     499 | static void bch2_bset_verify_rw_aux_tree(struct btree *b,
         |             ^
>> fs/bcachefs/bset.c:531:8: warning: attribute declaration must precede definition [-Wignored-attributes]
     531 | static inline void bch2_bset_verify_rw_aux_tree(struct btree *b,
         |        ^
   include/linux/compiler_types.h:236:58: note: expanded from macro 'inline'
     236 | #define inline inline __gnu_inline __inline_maybe_unused notrace
         |                                                          ^
   arch/x86/include/asm/linkage.h:9:32: note: expanded from macro 'notrace'
       9 | #define notrace __attribute__((no_instrument_function))
         |                                ^
   fs/bcachefs/bset.c:499:13: note: previous definition is here
     499 | static void bch2_bset_verify_rw_aux_tree(struct btree *b,
         |             ^
   fs/bcachefs/bset.c:531:20: error: redefinition of 'bch2_bset_verify_rw_aux_tree'
     531 | static inline void bch2_bset_verify_rw_aux_tree(struct btree *b,
         |                    ^
   fs/bcachefs/bset.c:499:13: note: previous definition is here
     499 | static void bch2_bset_verify_rw_aux_tree(struct btree *b,
         |             ^
>> fs/bcachefs/bset.c:535:3: error: call to undeclared function '__bch2_bset_verify_rw_aux_tree'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
     535 |                 __bch2_bset_verify_rw_aux_tree(b, t);
         |                 ^
   fs/bcachefs/bset.c:535:3: note: did you mean 'bch2_bset_verify_rw_aux_tree'?
   fs/bcachefs/bset.c:531:20: note: 'bch2_bset_verify_rw_aux_tree' declared here
     531 | static inline void bch2_bset_verify_rw_aux_tree(struct btree *b,
         |                    ^
     532 |                                          struct bset_tree *t)
     533 | {
     534 |         if (static_branch_unlikely(&bch2_debug_check_bset_lookups))
     535 |                 __bch2_bset_verify_rw_aux_tree(b, t);
         |                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         |                 bch2_bset_verify_rw_aux_tree
   2 warnings and 2 errors generated.


vim +/__bch2_bset_verify_rw_aux_tree +535 fs/bcachefs/bset.c

   498	
 > 499	static void bch2_bset_verify_rw_aux_tree(struct btree *b,
   500						 struct bset_tree *t)
   501	{
   502		struct bkey_packed *k = btree_bkey_first(b, t);
   503		unsigned j = 0;
   504	
   505		BUG_ON(bset_has_ro_aux_tree(t));
   506	
   507		if (!bset_has_rw_aux_tree(t))
   508			return;
   509	
   510		BUG_ON(t->size < 1);
   511		BUG_ON(rw_aux_to_bkey(b, t, j) != k);
   512	
   513		goto start;
   514		while (1) {
   515			if (rw_aux_to_bkey(b, t, j) == k) {
   516				BUG_ON(!bpos_eq(rw_aux_tree(b, t)[j].k,
   517						bkey_unpack_pos(b, k)));
   518	start:
   519				if (++j == t->size)
   520					break;
   521	
   522				BUG_ON(rw_aux_tree(b, t)[j].offset <=
   523				       rw_aux_tree(b, t)[j - 1].offset);
   524			}
   525	
   526			k = bkey_p_next(k);
   527			BUG_ON(k >= btree_bkey_last(b, t));
   528		}
   529	}
   530	
 > 531	static inline void bch2_bset_verify_rw_aux_tree(struct btree *b,
   532						 struct bset_tree *t)
   533	{
   534		if (static_branch_unlikely(&bch2_debug_check_bset_lookups))
 > 535			__bch2_bset_verify_rw_aux_tree(b, t);
   536	}
   537	

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