linux-kernel - Re: [PATCH 4/6] Consolidate file operations and add readahead and writeback

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Message-ID: <202212180445.0QaJN14K-lkp@intel.com>
Date:   Sun, 18 Dec 2022 04:49:43 +0800
From:   kernel test robot <lkp@...el.com>
To:     Eric Van Hensbergen <evanhensbergen@...oud.com>,
        v9fs-developer@...ts.sourceforge.net, asmadeus@...ewreck.org,
        rminnich@...il.com, lucho@...kov.net
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux_oss@...debyte.com,
        Eric Van Hensbergen <evanhensbergen@...oud.com>
Subject: Re: [PATCH 4/6] Consolidate file operations and add readahead and
 writeback

Hi Eric,

I love your patch! Perhaps something to improve:

[auto build test WARNING on v6.1]
[also build test WARNING on linus/master next-20221216]
[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/Eric-Van-Hensbergen/Adjust-maximum-MSIZE-to-account-for-p9-header/20221218-035253
patch link:    https://lore.kernel.org/r/20221217185210.1431478-5-evanhensbergen%40icloud.com
patch subject: [PATCH 4/6] Consolidate file operations and add readahead and writeback
config: i386-defconfig
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/3cb1fb650908432b5df0279ca61f483e09ce2478
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Eric-Van-Hensbergen/Adjust-maximum-MSIZE-to-account-for-p9-header/20221218-035253
        git checkout 3cb1fb650908432b5df0279ca61f483e09ce2478
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=i386 olddefconfig
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash fs/9p/

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/9p/vfs_file.c:591:42: warning: 'v9fs_file_vm_ops' defined but not used [-Wunused-const-variable=]
     591 | static const struct vm_operations_struct v9fs_file_vm_ops = {
         |                                          ^~~~~~~~~~~~~~~~


vim +/v9fs_file_vm_ops +591 fs/9p/vfs_file.c

fb89b45cdfdc8b Dominique Martinet 2014-01-10  589  
fb89b45cdfdc8b Dominique Martinet 2014-01-10  590  
7263cebed9fada Aneesh Kumar K.V   2011-02-28 @591  static const struct vm_operations_struct v9fs_file_vm_ops = {
7263cebed9fada Aneesh Kumar K.V   2011-02-28  592  	.fault = filemap_fault,
f1820361f83d55 Kirill A. Shutemov 2014-04-07  593  	.map_pages = filemap_map_pages,
7263cebed9fada Aneesh Kumar K.V   2011-02-28  594  	.page_mkwrite = v9fs_vm_page_mkwrite,
7263cebed9fada Aneesh Kumar K.V   2011-02-28  595  };
7263cebed9fada Aneesh Kumar K.V   2011-02-28  596  

-- 
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https://01.org/lkp

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