linux-kernel - fs/ext4/super.c:2054:1: error: unused function 'ctx_set

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Message-ID: <202408310303.6OpqRWeH-lkp@intel.com>
Date: Sat, 31 Aug 2024 03:03:48 +0800
From: kernel test robot <lkp@...el.com>
To: Jeff Layton <jlayton@...nel.org>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	linux-kernel@...r.kernel.org, Theodore Ts'o <tytso@....edu>,
	Lukas Czerner <lczerner@...hat.com>,
	"Christian Brauner (Microsoft)" <brauner@...nel.org>,
	Jan Kara <jack@...e.cz>
Subject: fs/ext4/super.c:2054:1: error: unused function 'ctx_set_flags'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   20371ba120635d9ab7fc7670497105af8f33eb08
commit: 1ff20307393e17dc57fde62226df625a3a3c36e9 ext4: unconditionally enable the i_version counter
date:   1 year, 11 months ago
config: x86_64-sof-customedconfig-amd-defconfig (https://download.01.org/0day-ci/archive/20240831/202408310303.6OpqRWeH-lkp@intel.com/config)
compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240831/202408310303.6OpqRWeH-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/202408310303.6OpqRWeH-lkp@intel.com/

All errors (new ones prefixed by >>):

   fs/ext4/super.c:1750:19: error: unused variable 'deprecated_msg' [-Werror,-Wunused-const-variable]
    1750 | static const char deprecated_msg[] =
         |                   ^~~~~~~~~~~~~~
>> fs/ext4/super.c:2054:1: error: unused function 'ctx_set_flags' [-Werror,-Wunused-function]
    2054 | EXT4_SET_CTX(flags); /* set only */
         | ^~~~~~~~~~~~~~~~~~~
   fs/ext4/super.c:2032:20: note: expanded from macro 'EXT4_SET_CTX'
    2032 | static inline void ctx_set_##name(struct ext4_fs_context *ctx,          \
         |                    ^~~~~~~~~~~~~~
   <scratch space>:56:1: note: expanded from here
      56 | ctx_set_flags
         | ^~~~~~~~~~~~~
   2 errors generated.


vim +/ctx_set_flags +2054 fs/ext4/super.c

6e47a3cc68fc52 Lukas Czerner 2021-10-27  2053  
e3952fcce1aad9 Lukas Czerner 2022-02-01 @2054  EXT4_SET_CTX(flags); /* set only */
6e47a3cc68fc52 Lukas Czerner 2021-10-27  2055  EXT4_SET_CTX(mount_opt);
e3952fcce1aad9 Lukas Czerner 2022-02-01  2056  EXT4_CLEAR_CTX(mount_opt);
e3952fcce1aad9 Lukas Czerner 2022-02-01  2057  EXT4_TEST_CTX(mount_opt);
6e47a3cc68fc52 Lukas Czerner 2021-10-27  2058  EXT4_SET_CTX(mount_opt2);
e3952fcce1aad9 Lukas Czerner 2022-02-01  2059  EXT4_CLEAR_CTX(mount_opt2);
e3952fcce1aad9 Lukas Czerner 2022-02-01  2060  EXT4_TEST_CTX(mount_opt2);
e3952fcce1aad9 Lukas Czerner 2022-02-01  2061  

:::::: The code at line 2054 was first introduced by commit
:::::: e3952fcce1aad934f1322843b564ff86256444b2 ext4: fix remount with 'abort' option

:::::: TO: Lukas Czerner <lczerner@...hat.com>
:::::: CC: Theodore Ts'o <tytso@....edu>

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