linux-kernel - Re: [PATCH v5 6/9] ovl: Set case-insensitive dentry operations for ovl sb

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Message-ID: <202508151941.VDMlemUG-lkp@intel.com>
Date: Fri, 15 Aug 2025 19:52:00 +0800
From: kernel test robot <lkp@...el.com>
To: André Almeida <andrealmeid@...lia.com>,
	Miklos Szeredi <miklos@...redi.hu>,
	Amir Goldstein <amir73il@...il.com>, Theodore Tso <tytso@....edu>,
	Gabriel Krisman Bertazi <krisman@...nel.org>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	linux-unionfs@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Christian Brauner <brauner@...nel.org>, Jan Kara <jack@...e.cz>,
	kernel-dev@...lia.com,
	André Almeida <andrealmeid@...lia.com>
Subject: Re: [PATCH v5 6/9] ovl: Set case-insensitive dentry operations for
 ovl sb

Hi André,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 0cc53520e68bea7fb80fdc6bdf8d226d1b6a98d9]

url:    https://github.com/intel-lab-lkp/linux/commits/Andr-Almeida/fs-Create-sb_encoding-helper/20250815-013213
base:   0cc53520e68bea7fb80fdc6bdf8d226d1b6a98d9
patch link:    https://lore.kernel.org/r/20250814-tonyk-overlayfs-v5-6-c5b80a909cbd%40igalia.com
patch subject: [PATCH v5 6/9] ovl: Set case-insensitive dentry operations for ovl sb
config: i386-buildonly-randconfig-003-20250815 (https://download.01.org/0day-ci/archive/20250815/202508151941.VDMlemUG-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250815/202508151941.VDMlemUG-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/202508151941.VDMlemUG-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> fs/overlayfs/super.c:1347:17: warning: unused variable 'ofs' [-Wunused-variable]
    1347 |         struct ovl_fs *ofs = sb->s_fs_info;
         |                        ^~~
   1 warning generated.


vim +/ofs +1347 fs/overlayfs/super.c

  1344	
  1345	static void ovl_set_d_op(struct super_block *sb)
  1346	{
> 1347		struct ovl_fs *ofs = sb->s_fs_info;
  1348	

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