linux-kernel - Re: [PATCH DRAFT 1/4] : tracefs: port to kernfs

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Date: Thu, 1 Feb 2024 15:01:10 +0800
From: kernel test robot <lkp@...el.com>
To: Christian Brauner <brauner@...nel.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Amir Goldstein <amir73il@...il.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: oe-kbuild-all@...ts.linux.dev, LKML <linux-kernel@...r.kernel.org>,
	lsf-pc@...ts.linux-foundation.org, linux-fsdevel@...r.kernel.org,
	Al Viro <viro@...iv.linux.org.uk>,
	Matthew Wilcox <willy@...radead.org>,
	Christian Brauner <brauner@...nel.org>
Subject: Re: [PATCH DRAFT 1/4] : tracefs: port to kernfs

Hi Christian,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 41bccc98fb7931d63d03f326a746ac4d429c1dd3]

url:    https://github.com/intel-lab-lkp/linux/commits/Christian-Brauner/tracefs-port-to-kernfs/20240131-214120
base:   41bccc98fb7931d63d03f326a746ac4d429c1dd3
patch link:    https://lore.kernel.org/r/20240131-tracefs-kernfs-v1-1-f20e2e9a8d61%40kernel.org
patch subject: [PATCH DRAFT 1/4] : tracefs: port to kernfs
config: i386-randconfig-061-20240201 (https://download.01.org/0day-ci/archive/20240201/202402011431.c6K3rKZS-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240201/202402011431.c6K3rKZS-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/202402011431.c6K3rKZS-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> fs/tracefs/inode.c:88:27: sparse: sparse: symbol 'global_opts' was not declared. Should it be static?

vim +/global_opts +88 fs/tracefs/inode.c

    87	
  > 88	struct tracefs_mount_opts global_opts = {
    89		.mode	= TRACEFS_DEFAULT_MODE,
    90		.uid	= GLOBAL_ROOT_UID,
    91		.gid	= GLOBAL_ROOT_GID,
    92		.opts	= 0,
    93	};
    94	

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