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Date:   Thu, 17 Jun 2021 14:56:35 +0800
From:   kernel test robot <lkp@...el.com>
To:     Jan Kara <jack@...e.cz>, Ted Tso <tytso@....edu>
Cc:     kbuild-all@...ts.01.org, linux-ext4@...r.kernel.org,
        Jan Kara <jack@...e.cz>
Subject: Re: [PATCH 2/4] ext4: Move orphan inode handling into a separate file

Hi Jan,

I love your patch! Perhaps something to improve:

[auto build test WARNING on ext4/dev]
[also build test WARNING on ext3/for_next linus/master v5.13-rc6 next-20210616]
[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]

url:    https://github.com/0day-ci/linux/commits/Jan-Kara/ext4-Speedup-orphan-file-handling/20210617-034806
base:   https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git dev
config: i386-randconfig-s002-20210617 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.3-341-g8af24329-dirty
        # https://github.com/0day-ci/linux/commit/6b60fad4c555893cdd03e91dbfe31aa6fa9c25e7
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Jan-Kara/ext4-Speedup-orphan-file-handling/20210617-034806
        git checkout 6b60fad4c555893cdd03e91dbfe31aa6fa9c25e7
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=i386 

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


sparse warnings: (new ones prefixed by >>)
>> fs/ext4/orphan.c:195:64: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected char *qf_name @@     got char [noderef] __rcu * @@
   fs/ext4/orphan.c:195:64: sparse:     expected char *qf_name
   fs/ext4/orphan.c:195:64: sparse:     got char [noderef] __rcu *

vim +195 fs/ext4/orphan.c

   192	
   193	static int ext4_quota_on_mount(struct super_block *sb, int type)
   194	{
 > 195		return dquot_quota_on_mount(sb, EXT4_SB(sb)->s_qf_names[type],
   196						EXT4_SB(sb)->s_jquota_fmt, type);
   197	}
   198	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (39334 bytes)

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