[bcachefs:master 1091/1155] include/linux/dcache.h:59:24: error: initializer element is not constant

[bcachefs:master 1091/1155] include/linux/dcache.h:59:24: error: initializer element is not constant

[kernel test robot]

tree:   https://evilpiepirate.org/git/bcachefs.git master
head:   ca944a61e079450f82be88c91e349638c75cf4b6
commit: 8ed85840adf72d951032bb4eb397c8ca4ebda2bb [1091/1155] bcachefs: split out create_lostfound()
config: xtensa-randconfig-r073-20260913 (https://download.01.org/0day-ci/archive/20260913/202609130509.zTDMLOZt-lkp@intel.com/config)
compiler: xtensa-linux-gcc (GCC) 10.5.0
smatch: v0.5.0-9187-g5189e3fb
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260913/202609130509.zTDMLOZt-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/202609130509.zTDMLOZt-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from include/linux/fs.h:9,
                    from include/linux/highmem.h:5,
                    from include/linux/bvec.h:10,
                    from include/linux/blk_types.h:10,
                    from include/linux/bio.h:10,
                    from fs/bcachefs/bcachefs.h:202,
                    from fs/bcachefs/fs/check.c:2:
>> include/linux/dcache.h:59:24: error: initializer element is not constant
      59 | #define QSTR_INIT(n,l) { { { .len = l } }, .name = n }
         |                        ^
   include/linux/dcache.h:60:36: note: in expansion of macro 'QSTR_INIT'
      60 | #define QSTR_LEN(n,l) (struct qstr)QSTR_INIT(n,l)
         |                                    ^~~~~~~~~
   include/linux/dcache.h:61:17: note: in expansion of macro 'QSTR_LEN'
      61 | #define QSTR(n) QSTR_LEN(n, strlen(n))
         |                 ^~~~~~~~
   fs/bcachefs/fs/check.c:113:36: note: in expansion of macro 'QSTR'
     113 | static struct qstr lostfound_str = QSTR("lost+found");
         |                                    ^~~~
   include/linux/dcache.h:59:24: note: (near initialization for 'lostfound_str')
      59 | #define QSTR_INIT(n,l) { { { .len = l } }, .name = n }
         |                        ^
   include/linux/dcache.h:60:36: note: in expansion of macro 'QSTR_INIT'
      60 | #define QSTR_LEN(n,l) (struct qstr)QSTR_INIT(n,l)
         |                                    ^~~~~~~~~
   include/linux/dcache.h:61:17: note: in expansion of macro 'QSTR_LEN'
      61 | #define QSTR(n) QSTR_LEN(n, strlen(n))
         |                 ^~~~~~~~
   fs/bcachefs/fs/check.c:113:36: note: in expansion of macro 'QSTR'
     113 | static struct qstr lostfound_str = QSTR("lost+found");
         |                                    ^~~~
   include/linux/dcache.h:60:23: error: initializer element is not constant
      60 | #define QSTR_LEN(n,l) (struct qstr)QSTR_INIT(n,l)
         |                       ^
   include/linux/dcache.h:61:17: note: in expansion of macro 'QSTR_LEN'
      61 | #define QSTR(n) QSTR_LEN(n, strlen(n))
         |                 ^~~~~~~~
   fs/bcachefs/fs/check.c:113:36: note: in expansion of macro 'QSTR'
     113 | static struct qstr lostfound_str = QSTR("lost+found");
         |                                    ^~~~


vim +59 include/linux/dcache.h

^1da177e4c3f41 Linus Torvalds 2005-04-16  58  
26fe5750287039 Linus Torvalds 2012-05-10 @59  #define QSTR_INIT(n,l) { { { .len = l } }, .name = n }
5741909697a31c NeilBrown      2025-03-19  60  #define QSTR_LEN(n,l) (struct qstr)QSTR_INIT(n,l)
5741909697a31c NeilBrown      2025-03-19  61  #define QSTR(n) QSTR_LEN(n, strlen(n))
26fe5750287039 Linus Torvalds 2012-05-10  62  

:::::: The code at line 59 was first introduced by commit
:::::: 26fe575028703948880fce4355a210c76bb0536e vfs: make it possible to access the dentry hash/len as one 64-bit entry

:::::: TO: Linus Torvalds <torvalds@linux-foundation.org>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>

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