Re: [PATCH] ceph: Convert from atomic_t to refcount_t on ceph_snap_realm->nref

[kernel test robot]

Hi Xiyu,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on ceph-client/for-linus]
[also build test WARNING on v5.14-rc1 next-20210716]
[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/Xiyu-Yang/ceph-Convert-from-atomic_t-to-refcount_t-on-ceph_snap_realm-nref/20210718-111108
base:   https://github.com/ceph/ceph-client.git for-linus
config: arc-randconfig-r016-20210718 (attached as .config)
compiler: arceb-elf-gcc (GCC) 10.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/0day-ci/linux/commit/af8e5c68ccb6a1e5aead78e10d6d0441c032ba66
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Xiyu-Yang/ceph-Convert-from-atomic_t-to-refcount_t-on-ceph_snap_realm-nref/20210718-111108
        git checkout af8e5c68ccb6a1e5aead78e10d6d0441c032ba66
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash fs/ceph/

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

All warnings (new ones prefixed by >>):

   In file included from fs/ceph/super.h:6,
                    from fs/ceph/quota.c:10:
>> include/linux/ceph/ceph_debug.h:5: warning: "pr_fmt" redefined
       5 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
         | 
   In file included from include/linux/kernel.h:17,
                    from include/asm-generic/bug.h:20,
                    from arch/arc/include/asm/bug.h:30,
                    from include/linux/bug.h:5,
                    from include/linux/refcount.h:96,
                    from fs/ceph/super.h:5,
                    from fs/ceph/quota.c:10:
   include/linux/printk.h:301: note: this is the location of the previous definition
     301 | #define pr_fmt(fmt) fmt
         | 


vim +/pr_fmt +5 include/linux/ceph/ceph_debug.h

de57606c23afde fs/ceph/ceph_debug.h Sage Weil 2009-10-06  4  
de57606c23afde fs/ceph/ceph_debug.h Sage Weil 2009-10-06 @5  #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
de57606c23afde fs/ceph/ceph_debug.h Sage Weil 2009-10-06  6  

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

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