linux-kernel - [mingo-tip:sched/headers 1760/2579] fs/ceph/cache.h:130:16: error: implicit declaration of function 'filemap_dirty_folio'; did you mean 'filemap_get

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Date:   Thu, 21 Apr 2022 14:42:32 +0800
From:   kernel test robot <lkp@...el.com>
To:     Ingo Molnar <mingo@...nel.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [mingo-tip:sched/headers 1760/2579] fs/ceph/cache.h:130:16: error:
 implicit declaration of function 'filemap_dirty_folio'; did you mean
 'filemap_get_folio'?

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git sched/headers
head:   49e1ec6c70a6eb4b7de9250a455b8b63eb42afbe
commit: 5906052f724ace8783a32193d743f4db58a3bfee [1760/2579] headers/deps: writeback: Remove the <linux/writeback_api.h> header from <linux/writeback.h>
config: i386-randconfig-a005 (https://download.01.org/0day-ci/archive/20220421/202204210519.7NXwmnKd-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.2.0-20) 11.2.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git/commit/?id=5906052f724ace8783a32193d743f4db58a3bfee
        git remote add mingo-tip git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git
        git fetch --no-tags mingo-tip sched/headers
        git checkout 5906052f724ace8783a32193d743f4db58a3bfee
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/ fs/

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

All errors (new ones prefixed by >>):

   In file included from fs/ceph/super.c:31:
   fs/ceph/cache.h: In function 'ceph_fscache_dirty_folio':
>> fs/ceph/cache.h:130:16: error: implicit declaration of function 'filemap_dirty_folio'; did you mean 'filemap_get_folio'? [-Werror=implicit-function-declaration]
     130 |         return filemap_dirty_folio(mapping, folio);
         |                ^~~~~~~~~~~~~~~~~~~
         |                filemap_get_folio
   cc1: some warnings being treated as errors
--
   In file included from include/net/sock.h:49,
                    from fs/afs/internal.h:29,
                    from fs/afs/file.c:31:
   include/linux/netdevice.h:171:9: error: unknown type name 'local_t'
     171 |         local_t         rx_dropped;
         |         ^~~~~~~
   include/linux/netdevice.h:172:9: error: unknown type name 'local_t'
     172 |         local_t         tx_dropped;
         |         ^~~~~~~
   include/linux/netdevice.h:173:9: error: unknown type name 'local_t'
     173 |         local_t         rx_nohandler;
         |         ^~~~~~~
   In file included from include/linux/compiler_types.h:73,
                    from <command-line>:
   include/linux/netdevice.h:174:24: error: 'local_t' undeclared here (not in a function)
     174 | } __aligned(4 * sizeof(local_t));
         |                        ^~~~~~~
   include/linux/compiler_attributes.h:33:68: note: in definition of macro '__aligned'
      33 | #define __aligned(x)                    __attribute__((__aligned__(x)))
         |                                                                    ^
   In file included from include/net/neighbour.h:7,
                    from include/net/dst.h:21,
                    from include/net/sock.h:66,
                    from fs/afs/internal.h:29,
                    from fs/afs/file.c:31:
   include/linux/netdevice_api.h: In function 'dev_core_stats_rx_dropped_inc':
   include/linux/netdevice_api.h:1807:17: error: implicit declaration of function 'local_inc'; did you mean 'local_lock'? [-Werror=implicit-function-declaration]
    1807 |                 local_inc(&p->FIELD);                                           \
         |                 ^~~~~~~~~
   include/linux/netdevice_api.h:1810:1: note: in expansion of macro 'DEV_CORE_STATS_INC'
    1810 | DEV_CORE_STATS_INC(rx_dropped)
         | ^~~~~~~~~~~~~~~~~~
   In file included from fs/afs/file.c:31:
   fs/afs/file.c: At top level:
>> fs/afs/internal.h:1540:25: error: 'filemap_dirty_folio' undeclared here (not in a function); did you mean 'filemap_get_folio'?
    1540 | #define afs_dirty_folio filemap_dirty_folio
         |                         ^~~~~~~~~~~~~~~~~~~
   fs/afs/file.c:67:27: note: in expansion of macro 'afs_dirty_folio'
      67 |         .dirty_folio    = afs_dirty_folio,
         |                           ^~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors


vim +130 fs/ceph/cache.h

400e1286c0ec3f Jeff Layton             2021-12-07  126  
8fb72b4a76933a Matthew Wilcox (Oracle  2022-02-09  127) static inline int ceph_fscache_dirty_folio(struct address_space *mapping,
8fb72b4a76933a Matthew Wilcox (Oracle  2022-02-09  128) 		struct folio *folio)
400e1286c0ec3f Jeff Layton             2021-12-07  129  {
8fb72b4a76933a Matthew Wilcox (Oracle  2022-02-09 @130) 	return filemap_dirty_folio(mapping, folio);
400e1286c0ec3f Jeff Layton             2021-12-07  131  }
400e1286c0ec3f Jeff Layton             2021-12-07  132  

:::::: The code at line 130 was first introduced by commit
:::::: 8fb72b4a76933ae6f86725cc8e4a8190ba84d755 fscache: Convert fscache_set_page_dirty() to fscache_dirty_folio()

:::::: TO: Matthew Wilcox (Oracle) <willy@...radead.org>
:::::: CC: Matthew Wilcox (Oracle) <willy@...radead.org>

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