Re: [PATCH] fs: inode: use queue_rcu_work() instead of call_rcu()

[kernel test robot <lkp@intel.com>]

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Hi Zqiang,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v5.15-rc5 next-20211015]
[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/Zqiang/fs-inode-use-queue_rcu_work-instead-of-call_rcu/20211015-160455
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git ec681c53f8d2d0ee362ff67f5b98dd8263c15002
config: hexagon-randconfig-r041-20211014 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project acb3b187c4c88650a6a717a1bcb234d27d0d7f54)
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/2294caaec521b45bdc9db96423fe51762e47afd0
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Zqiang/fs-inode-use-queue_rcu_work-instead-of-call_rcu/20211015-160455
        git checkout 2294caaec521b45bdc9db96423fe51762e47afd0
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash fs/ntfs3/

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

All errors (new ones prefixed by >>):

>> fs/ntfs3/super.c:458:57: error: no member named 'i_rcu' in 'struct inode'
           struct inode *inode = container_of(head, struct inode, i_rcu);
                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
   include/linux/kernel.h:495:53: note: expanded from macro 'container_of'
           BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) &&   \
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
   include/linux/compiler_types.h:264:74: note: expanded from macro '__same_type'
   #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
                                                                            ^
   include/linux/build_bug.h:39:58: note: expanded from macro 'BUILD_BUG_ON_MSG'
   #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
                                       ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
   include/linux/compiler_types.h:322:22: note: expanded from macro 'compiletime_assert'
           _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
           ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:310:23: note: expanded from macro '_compiletime_assert'
           __compiletime_assert(condition, msg, prefix, suffix)
           ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:302:9: note: expanded from macro '__compiletime_assert'
                   if (!(condition))                                       \
                         ^~~~~~~~~
>> fs/ntfs3/super.c:458:24: error: no member named 'i_rcu' in 'inode'
           struct inode *inode = container_of(head, struct inode, i_rcu);
                                 ^                                ~~~~~
   include/linux/kernel.h:498:21: note: expanded from macro 'container_of'
           ((type *)(__mptr - offsetof(type, member))); })
                              ^              ~~~~~~
   include/linux/stddef.h:17:32: note: expanded from macro 'offsetof'
   #define offsetof(TYPE, MEMBER)  __compiler_offsetof(TYPE, MEMBER)
                                   ^                         ~~~~~~
   include/linux/compiler_types.h:140:35: note: expanded from macro '__compiler_offsetof'
   #define __compiler_offsetof(a, b)       __builtin_offsetof(a, b)
                                           ^                     ~
>> fs/ntfs3/super.c:458:16: error: initializing 'struct inode *' with an expression of incompatible type 'void'
           struct inode *inode = container_of(head, struct inode, i_rcu);
                         ^       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   fs/ntfs3/super.c:468:19: error: no member named 'i_rcu' in 'struct inode'
           call_rcu(&inode->i_rcu, ntfs_i_callback);
                     ~~~~~  ^
   4 errors generated.


vim +458 fs/ntfs3/super.c

82cae269cfa953 Konstantin Komarov 2021-08-13  455  
82cae269cfa953 Konstantin Komarov 2021-08-13  456  static void ntfs_i_callback(struct rcu_head *head)
82cae269cfa953 Konstantin Komarov 2021-08-13  457  {
82cae269cfa953 Konstantin Komarov 2021-08-13 @458  	struct inode *inode = container_of(head, struct inode, i_rcu);
82cae269cfa953 Konstantin Komarov 2021-08-13  459  	struct ntfs_inode *ni = ntfs_i(inode);
82cae269cfa953 Konstantin Komarov 2021-08-13  460  
82cae269cfa953 Konstantin Komarov 2021-08-13  461  	mutex_destroy(&ni->ni_lock);
82cae269cfa953 Konstantin Komarov 2021-08-13  462  
82cae269cfa953 Konstantin Komarov 2021-08-13  463  	kmem_cache_free(ntfs_inode_cachep, ni);
82cae269cfa953 Konstantin Komarov 2021-08-13  464  }
82cae269cfa953 Konstantin Komarov 2021-08-13  465  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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