linux-kernel - Re: [PATCH] Squashfs: add page cache share support

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Message-ID: <202506271526.5iaNmw8d-lkp@intel.com>
Date: Fri, 27 Jun 2025 15:58:14 +0800
From: kernel test robot <lkp@...el.com>
To: Bo Liu <liubo03@...pur.com>, phillip@...ashfs.org.uk
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	Bo Liu <liubo03@...pur.com>
Subject: Re: [PATCH] Squashfs: add page cache share support

Hi Bo,

kernel test robot noticed the following build warnings:

[auto build test WARNING on v6.16-rc3]
[also build test WARNING on linus/master next-20250626]
[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/Bo-Liu/Squashfs-add-page-cache-share-support/20250626-084010
base:   v6.16-rc3
patch link:    https://lore.kernel.org/r/20250626003644.3675-1-liubo03%40inspur.com
patch subject: [PATCH] Squashfs: add page cache share support
config: m68k-randconfig-r132-20250627 (https://download.01.org/0day-ci/archive/20250627/202506271526.5iaNmw8d-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 8.5.0
reproduce: (https://download.01.org/0day-ci/archive/20250627/202506271526.5iaNmw8d-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/202506271526.5iaNmw8d-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> fs/squashfs/pagecache_share.c:136:35: sparse: sparse: symbol 'squashfs_file_vm_ops' was not declared. Should it be static?

vim +/squashfs_file_vm_ops +136 fs/squashfs/pagecache_share.c

   135	
 > 136	const struct vm_operations_struct squashfs_file_vm_ops = {
   137		.fault		= filemap_fault,
   138		.map_pages	= filemap_map_pages,
   139		.page_mkwrite	= filemap_page_mkwrite,
   140	};
   141	

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