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SubjectRe: [PATCH] ceph: Convert from atomic_t to refcount_t on ceph_snap_realm->nref
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: arm-randconfig-r034-20210718 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 5d5b08761f944d5b9822d582378333cc4b36a0a7)
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
# install arm cross compiling tool for clang build
# apt-get install binutils-arm-linux-gnueabi
# 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
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm

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

All warnings (new ones prefixed by >>):

In file included from fs/ceph/quota.c:10:
In file included from fs/ceph/super.h:6:
>> include/linux/ceph/ceph_debug.h:5:9: warning: 'pr_fmt' macro redefined [-Wmacro-redefined]
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
^
include/linux/printk.h:301:9: note: previous definition is here
#define pr_fmt(fmt) fmt
^
1 warning generated.


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@lists.01.org
[unhandled content-type:application/gzip]
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