[PATCH v6 03/22] cachefiles: notify user daemon with anon_fd when looking up cookie

[kernel test robot]

Hi Jeffle,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on trondmy-nfs/linux-next]
[also build test ERROR on rostedt-trace/for-next linus/master v5.17]
[cannot apply to xiang-erofs/dev-test dhowells-fs/fscache-next next-20220325]
[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]

url:    https://github.com/0day-ci/linux/commits/Jeffle-Xu/fscache-erofs-fscache-based-on-demand-read-semantics/20220325-203555
base:   git://git.linux-nfs.org/projects/trondmy/linux-nfs.git linux-next
config: i386-randconfig-a002 (https://download.01.org/0day-ci/archive/20220326/202203260720.uA5o7k5w-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 0f6d9501cf49ce02937099350d08f20c4af86f3d)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/0day-ci/linux/commit/ec8aa2f84eb47244377e4b822dd77d82ee54714a
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Jeffle-Xu/fscache-erofs-fscache-based-on-demand-read-semantics/20220325-203555
        git checkout ec8aa2f84eb47244377e4b822dd77d82ee54714a
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash fs/

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

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

   In file included from fs/cachefiles/cache.c:11:
>> fs/cachefiles/internal.h:285:9: warning: no previous prototype for function 'cachefiles_ondemand_daemon_read' [-Wmissing-prototypes]
   ssize_t cachefiles_ondemand_daemon_read(struct cachefiles_cache *cache,
           ^
   fs/cachefiles/internal.h:285:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   ssize_t cachefiles_ondemand_daemon_read(struct cachefiles_cache *cache,
   ^
   static 
   1 warning generated.
--
>> ld.lld: error: duplicate symbol: cachefiles_ondemand_daemon_read
   >>> defined at internal.h:287 (fs/cachefiles/internal.h:287)
   >>> fs/cachefiles/cache.o:(cachefiles_ondemand_daemon_read)
   >>> defined at internal.h:287 (fs/cachefiles/internal.h:287)
   >>> fs/cachefiles/daemon.o:(.text+0x0)
--
>> ld.lld: error: duplicate symbol: cachefiles_ondemand_daemon_read
   >>> defined at internal.h:287 (fs/cachefiles/internal.h:287)
   >>> fs/cachefiles/cache.o:(cachefiles_ondemand_daemon_read)
   >>> defined at internal.h:287 (fs/cachefiles/internal.h:287)
   >>> fs/cachefiles/interface.o:(.text+0x0)
--
>> ld.lld: error: duplicate symbol: cachefiles_ondemand_daemon_read
   >>> defined at internal.h:287 (fs/cachefiles/internal.h:287)
   >>> fs/cachefiles/cache.o:(cachefiles_ondemand_daemon_read)
   >>> defined at internal.h:287 (fs/cachefiles/internal.h:287)
   >>> fs/cachefiles/io.o:(.text+0x0)
--
>> ld.lld: error: duplicate symbol: cachefiles_ondemand_daemon_read
   >>> defined at internal.h:287 (fs/cachefiles/internal.h:287)
   >>> fs/cachefiles/cache.o:(cachefiles_ondemand_daemon_read)
   >>> defined at internal.h:287 (fs/cachefiles/internal.h:287)
   >>> fs/cachefiles/key.o:(.text+0x0)
--
>> ld.lld: error: duplicate symbol: cachefiles_ondemand_daemon_read
   >>> defined at internal.h:287 (fs/cachefiles/internal.h:287)
   >>> fs/cachefiles/cache.o:(cachefiles_ondemand_daemon_read)
   >>> defined at internal.h:287 (fs/cachefiles/internal.h:287)
   >>> fs/cachefiles/main.o:(.text+0x38C0)
--
>> ld.lld: error: duplicate symbol: cachefiles_ondemand_daemon_read
   >>> defined at internal.h:287 (fs/cachefiles/internal.h:287)
   >>> fs/cachefiles/cache.o:(cachefiles_ondemand_daemon_read)
   >>> defined at internal.h:287 (fs/cachefiles/internal.h:287)
   >>> fs/cachefiles/namei.o:(.text+0x0)
--
>> ld.lld: error: duplicate symbol: cachefiles_ondemand_daemon_read
   >>> defined at internal.h:287 (fs/cachefiles/internal.h:287)
   >>> fs/cachefiles/cache.o:(cachefiles_ondemand_daemon_read)
   >>> defined at internal.h:287 (fs/cachefiles/internal.h:287)
   >>> fs/cachefiles/security.o:(.text+0x0)
--
>> ld.lld: error: duplicate symbol: cachefiles_ondemand_daemon_read
   >>> defined at internal.h:287 (fs/cachefiles/internal.h:287)
   >>> fs/cachefiles/cache.o:(cachefiles_ondemand_daemon_read)
   >>> defined at internal.h:287 (fs/cachefiles/internal.h:287)
   >>> fs/cachefiles/volume.o:(.text+0x0)
--
>> ld.lld: error: duplicate symbol: cachefiles_ondemand_daemon_read
   >>> defined at internal.h:287 (fs/cachefiles/internal.h:287)
   >>> fs/cachefiles/cache.o:(cachefiles_ondemand_daemon_read)
   >>> defined at internal.h:287 (fs/cachefiles/internal.h:287)
   >>> fs/cachefiles/xattr.o:(.text+0x0)

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp