linux-kernel - fs/freevxfs/vxfs_immed.c:67: warning: Function parameter or member 'fp' not described in 'vxfs_immed_read

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Message-ID: <202312050334.bmiUtFL0-lkp@intel.com>
Date:   Tue, 5 Dec 2023 03:40:09 +0800
From:   kernel test robot <lkp@...el.com>
To:     "Matthew Wilcox (Oracle)" <willy@...radead.org>
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: fs/freevxfs/vxfs_immed.c:67: warning: Function parameter or member
 'fp' not described in 'vxfs_immed_read_folio'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   33cc938e65a98f1d29d0a18403dbbee050dcad9a
commit: 42d7a524e9ee13f6ea8b1539a293a365db2ba2f5 freevxfs: Convert vxfs_immed to read_folio
date:   1 year, 7 months ago
config: x86_64-buildonly-randconfig-004-20231010 (https://download.01.org/0day-ci/archive/20231205/202312050334.bmiUtFL0-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231205/202312050334.bmiUtFL0-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312050334.bmiUtFL0-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> fs/freevxfs/vxfs_immed.c:67: warning: Function parameter or member 'fp' not described in 'vxfs_immed_read_folio'
>> fs/freevxfs/vxfs_immed.c:67: warning: Excess function parameter 'file' description in 'vxfs_immed_read_folio'


vim +67 fs/freevxfs/vxfs_immed.c

^1da177e4c3f41 Linus Torvalds          2005-04-16  49  
^1da177e4c3f41 Linus Torvalds          2005-04-16  50  /**
42d7a524e9ee13 Matthew Wilcox (Oracle  2022-04-29  51)  * vxfs_immed_read_folio - read part of an immed inode into pagecache
^1da177e4c3f41 Linus Torvalds          2005-04-16  52   * @file:	file context (unused)
42d7a524e9ee13 Matthew Wilcox (Oracle  2022-04-29  53)  * @folio:	folio to fill in.
^1da177e4c3f41 Linus Torvalds          2005-04-16  54   *
^1da177e4c3f41 Linus Torvalds          2005-04-16  55   * Description:
42d7a524e9ee13 Matthew Wilcox (Oracle  2022-04-29  56)  *   vxfs_immed_read_folio reads a part of the immed area of the
^1da177e4c3f41 Linus Torvalds          2005-04-16  57   *   file that hosts @pp into the pagecache.
^1da177e4c3f41 Linus Torvalds          2005-04-16  58   *
^1da177e4c3f41 Linus Torvalds          2005-04-16  59   * Returns:
^1da177e4c3f41 Linus Torvalds          2005-04-16  60   *   Zero on success, else a negative error code.
^1da177e4c3f41 Linus Torvalds          2005-04-16  61   *
^1da177e4c3f41 Linus Torvalds          2005-04-16  62   * Locking status:
42d7a524e9ee13 Matthew Wilcox (Oracle  2022-04-29  63)  *   @folio is locked and will be unlocked.
^1da177e4c3f41 Linus Torvalds          2005-04-16  64   */
^1da177e4c3f41 Linus Torvalds          2005-04-16  65  static int
42d7a524e9ee13 Matthew Wilcox (Oracle  2022-04-29  66) vxfs_immed_read_folio(struct file *fp, struct folio *folio)
^1da177e4c3f41 Linus Torvalds          2005-04-16 @67  {

:::::: The code at line 67 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torvalds@...970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@...970.osdl.org>

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki