linux-kernel - Re: [PATCH 6/6] composefs: Add kconfig and build support

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Message-ID: <202211291447.cESvtfpa-lkp@intel.com>
Date:   Tue, 29 Nov 2022 15:08:52 +0800
From:   kernel test robot <lkp@...el.com>
To:     Alexander Larsson <alexl@...hat.com>, linux-fsdevel@...r.kernel.org
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
        gscrivan@...hat.com, alexl@...hat.com
Subject: Re: [PATCH 6/6] composefs: Add kconfig and build support

Hi Alexander,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on fscrypt/fsverity]
[also build test WARNING on linus/master v6.1-rc7 next-20221129]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Alexander-Larsson/Composefs-an-opportunistically-sharing-verified-image-filesystem/20221128-192140
base:   https://git.kernel.org/pub/scm/fs/fscrypt/fscrypt.git fsverity
patch link:    https://lore.kernel.org/r/a0524f492d2ac64b99f3de6ea2b27249a4bcadad.1669631086.git.alexl%40redhat.com
patch subject: [PATCH 6/6] composefs: Add kconfig and build support
config: x86_64-allyesconfig
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/b1d98075a6a519fa9405dd2cd273ed2e00f12266
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Alexander-Larsson/Composefs-an-opportunistically-sharing-verified-image-filesystem/20221128-192140
        git checkout b1d98075a6a519fa9405dd2cd273ed2e00f12266
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash fs/composefs/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

>> fs/composefs/cfs.c:58:42: warning: 'generic_file_vm_ops' defined but not used [-Wunused-const-variable=]
      58 | static const struct vm_operations_struct generic_file_vm_ops;
         |                                          ^~~~~~~~~~~~~~~~~~~


vim +/generic_file_vm_ops +58 fs/composefs/cfs.c

0f354cef5ce30b9 Alexander Larsson 2022-11-28  56  
0f354cef5ce30b9 Alexander Larsson 2022-11-28  57  static const struct file_operations cfs_file_operations;
0f354cef5ce30b9 Alexander Larsson 2022-11-28 @58  static const struct vm_operations_struct generic_file_vm_ops;
0f354cef5ce30b9 Alexander Larsson 2022-11-28  59  

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

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