Date: Thu, 5 Oct 2023 17:06:46 +0800
From: kernel test robot <lkp@intel.com>
To: "Steven Rostedt (Google)" <rostedt@goodmis.org>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev
Subject: [trace:trace/core 6/7] fs/tracefs/event_inode.c:909:6: warning: no
 previous prototype for function 'eventfs_remove_events_dir'
Message-ID: <202310051743.y9EobbUr-lkp@intel.com>
Precedence: bulk
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tree:   git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace trace/core
head:   f5d9e8e08f81c9e7c723de7abcce106808f0770c
commit: 5790b1fb3d672d9a1fe3881a7181dfdbe741568f [6/7] eventfs: Remove eventfs_file and just use eventfs_inode
config: arm-bcm2835_defconfig (https://download.01.org/0day-ci/archive/20231005/202310051743.y9EobbUr-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231005/202310051743.y9EobbUr-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/202310051743.y9EobbUr-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> fs/tracefs/event_inode.c:909:6: warning: no previous prototype for function 'eventfs_remove_events_dir' [-Wmissing-prototypes]
     909 | void eventfs_remove_events_dir(struct dentry *dentry)
         |      ^
   fs/tracefs/event_inode.c:909:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
     909 | void eventfs_remove_events_dir(struct dentry *dentry)
         | ^
         | static 
   1 warning generated.
--
>> kernel/trace/trace_events.c:2285:5: warning: no previous prototype for function 'system_callback' [-Wmissing-prototypes]
    2285 | int system_callback(const char *name, umode_t *mode, void **data,
         |     ^
   kernel/trace/trace_events.c:2285:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
    2285 | int system_callback(const char *name, umode_t *mode, void **data,
         | ^
         | static 
   1 warning generated.


vim +/eventfs_remove_events_dir +909 fs/tracefs/event_inode.c

5bdcd5f5331a27 Ajay Kaher 2023-07-28  902  
5bdcd5f5331a27 Ajay Kaher 2023-07-28  903  /**
5bdcd5f5331a27 Ajay Kaher 2023-07-28  904   * eventfs_remove_events_dir - remove eventfs dir or file from list
5bdcd5f5331a27 Ajay Kaher 2023-07-28  905   * @dentry: events's dentry to be removed.
5bdcd5f5331a27 Ajay Kaher 2023-07-28  906   *
5bdcd5f5331a27 Ajay Kaher 2023-07-28  907   * This function remove events main directory
5bdcd5f5331a27 Ajay Kaher 2023-07-28  908   */
5bdcd5f5331a27 Ajay Kaher 2023-07-28 @909  void eventfs_remove_events_dir(struct dentry *dentry)

:::::: The code at line 909 was first introduced by commit
:::::: 5bdcd5f5331a276a3ddf1fba8605986d0d15298a eventfs: Implement removal of meta data from eventfs

:::::: TO: Ajay Kaher <akaher@vmware.com>
:::::: CC: Steven Rostedt (Google) <rostedt@goodmis.org>

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