Hi Milind, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on ceph-client/for-linus] [also build test WARNING on v5.16 next-20220112] [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/Milind-Changire/ceph-add-getvxat... base: https://github.com/ceph/ceph-client.git for-linus config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20220112/202201122237.Lspc8TH5-lk...) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/9e670d02ce9f9d6e1ac3e234a89d305c8... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Milind-Changire/ceph-add-getvxattr-support/20220111-202533 git checkout 9e670d02ce9f9d6e1ac3e234a89d305c85302338 # save the config file to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/gpu/drm/vmwgfx/ drivers/iio/ fs/ceph/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): fs/ceph/inode.c: In function 'ceph_do_getvxattr': include/linux/ceph/ceph_debug.h:5:21: note: in expansion of macro 'KBUILD_MODNAME' 5 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | ^~~~~~~~~~~~~~ include/linux/dynamic_debug.h:134:15: note: in expansion of macro 'pr_fmt' 134 | func(&id, ##__VA_ARGS__); \ | ^~~~~~~~~~~ include/linux/dynamic_debug.h:152:2: note: in expansion of macro '__dynamic_func_call' 152 | __dynamic_func_call(__UNIQUE_ID(ddebug), fmt, func, ##__VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~ include/linux/dynamic_debug.h:162:2: note: in expansion of macro '_dynamic_func_call' 162 | _dynamic_func_call(fmt, __dynamic_pr_debug, \ | ^~~~~~~~~~~~~~~~~~ include/linux/printk.h:574:2: note: in expansion of macro 'dynamic_pr_debug' 574 | dynamic_pr_debug(fmt, ##__VA_ARGS__) | ^~~~~~~~~~~~~~~~ include/linux/ceph/ceph_debug.h:19:2: note: in expansion of macro 'pr_debug' 19 | pr_debug("%.*s %12.12s:%-4d : " fmt, \ | ^~~~~~~~ fs/ceph/inode.c:2326:2: note: in expansion of macro 'dout' 2326 | dout("do_getvxattr xattr_value_len:%lu, size:%lu\n", xattr_value_len, size); | ^~~~ <command-line>: warning: format '%lu' expects argument of type 'long unsigned int', but argument 8 has type 'size_t' {aka 'unsigned int'} [-Wformat=] include/linux/ceph/ceph_debug.h:5:21: note: in expansion of macro 'KBUILD_MODNAME' 5 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | ^~~~~~~~~~~~~~ include/linux/dynamic_debug.h:134:15: note: in expansion of macro 'pr_fmt' 134 | func(&id, ##__VA_ARGS__); \ | ^~~~~~~~~~~ include/linux/dynamic_debug.h:152:2: note: in expansion of macro '__dynamic_func_call' 152 | __dynamic_func_call(__UNIQUE_ID(ddebug), fmt, func, ##__VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~ include/linux/dynamic_debug.h:162:2: note: in expansion of macro '_dynamic_func_call' 162 | _dynamic_func_call(fmt, __dynamic_pr_debug, \ | ^~~~~~~~~~~~~~~~~~ include/linux/printk.h:574:2: note: in expansion of macro 'dynamic_pr_debug' 574 | dynamic_pr_debug(fmt, ##__VA_ARGS__) | ^~~~~~~~~~~~~~~~ include/linux/ceph/ceph_debug.h:19:2: note: in expansion of macro 'pr_debug' 19 | pr_debug("%.*s %12.12s:%-4d : " fmt, \ | ^~~~~~~~ fs/ceph/inode.c:2326:2: note: in expansion of macro 'dout' 2326 | dout("do_getvxattr xattr_value_len:%lu, size:%lu\n", xattr_value_len, size); | ^~~~ --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org