[linux-next:master 4907/10848] fs/tracefs/event_inode.c:58: warning: Function parameter or member 'del_list' not described in 'eventfs_file'

[linux-next:master 4907/10848] fs/tracefs/event_inode.c:58: warning: Function parameter or member 'del_list' not described in 'eventfs_file'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   47762f08697484cf0c2f2904b8c52375ed26c8cb
commit: 63940449555e799d387f316993ad824476c16953 [4907/10848] eventfs: Implement eventfs lookup, read, open functions
config: microblaze-randconfig-r032-20230817 (https://download.01.org/0day-ci/archive/20230818/202308181108.C2BQ6D3n-lkp@intel.com/config)
compiler: microblaze-linux-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20230818/202308181108.C2BQ6D3n-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/202308181108.C2BQ6D3n-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> fs/tracefs/event_inode.c:58: warning: Function parameter or member 'del_list' not described in 'eventfs_file'
>> fs/tracefs/event_inode.c:58: warning: Function parameter or member 'rcu' not described in 'eventfs_file'
>> fs/tracefs/event_inode.c:58: warning: Function parameter or member 'is_freed' not described in 'eventfs_file'


vim +58 fs/tracefs/event_inode.c

c1504e51023847 Ajay Kaher 2023-07-28  29  
c1504e51023847 Ajay Kaher 2023-07-28  30  /**
c1504e51023847 Ajay Kaher 2023-07-28  31   * struct eventfs_file - hold the properties of the eventfs files and
c1504e51023847 Ajay Kaher 2023-07-28  32   *                       directories.
c1504e51023847 Ajay Kaher 2023-07-28  33   * @name:	the name of the file or directory to create
63940449555e79 Ajay Kaher 2023-07-28  34   * @d_parent:   holds parent's dentry
63940449555e79 Ajay Kaher 2023-07-28  35   * @dentry:     once accessed holds dentry
c1504e51023847 Ajay Kaher 2023-07-28  36   * @list:	file or directory to be added to parent directory
c1504e51023847 Ajay Kaher 2023-07-28  37   * @ei:		list of files and directories within directory
c1504e51023847 Ajay Kaher 2023-07-28  38   * @fop:	file_operations for file or directory
c1504e51023847 Ajay Kaher 2023-07-28  39   * @iop:	inode_operations for file or directory
c1504e51023847 Ajay Kaher 2023-07-28  40   * @data:	something that the caller will want to get to later on
c1504e51023847 Ajay Kaher 2023-07-28  41   * @mode:	the permission that the file or directory should have
c1504e51023847 Ajay Kaher 2023-07-28  42   */
c1504e51023847 Ajay Kaher 2023-07-28  43  struct eventfs_file {
c1504e51023847 Ajay Kaher 2023-07-28  44  	const char			*name;
63940449555e79 Ajay Kaher 2023-07-28  45  	struct dentry			*d_parent;
63940449555e79 Ajay Kaher 2023-07-28  46  	struct dentry			*dentry;
c1504e51023847 Ajay Kaher 2023-07-28  47  	struct list_head		list;
c1504e51023847 Ajay Kaher 2023-07-28  48  	struct eventfs_inode		*ei;
c1504e51023847 Ajay Kaher 2023-07-28  49  	const struct file_operations	*fop;
c1504e51023847 Ajay Kaher 2023-07-28  50  	const struct inode_operations	*iop;
63940449555e79 Ajay Kaher 2023-07-28  51  	union {
63940449555e79 Ajay Kaher 2023-07-28  52  		struct list_head	del_list; /* list of eventfs_file to delete */
63940449555e79 Ajay Kaher 2023-07-28  53  		struct rcu_head		rcu; /* eventfs_file to delete */
63940449555e79 Ajay Kaher 2023-07-28  54  		unsigned long		is_freed; /* Freed if one of the above is set */
63940449555e79 Ajay Kaher 2023-07-28  55  	};
c1504e51023847 Ajay Kaher 2023-07-28  56  	void				*data;
c1504e51023847 Ajay Kaher 2023-07-28  57  	umode_t				mode;
c1504e51023847 Ajay Kaher 2023-07-28 @58  };
c1504e51023847 Ajay Kaher 2023-07-28  59  

:::::: The code at line 58 was first introduced by commit
:::::: c1504e5102384762bd06b068e9928b624a8a88c6 eventfs: Implement eventfs dir creation functions

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

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