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-randconfig-a006 (https://download.01.org/0day-ci/archive/20220113/202201130325.UBjYGkoh-lk...) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 244dd2913a43a200f5a6544d424cdc37b771028b) 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/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 COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash 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 >>): dout("do_getvxattr xattr_value_len:%lu, size:%lu\n", xattr_value_len, size); ~~~ ^~~~~~~~~~~~~~~ %u include/linux/ceph/ceph_debug.h:35:45: note: expanded from macro 'dout' # define dout(fmt, ...) pr_debug(" " fmt, ##__VA_ARGS__) ~~~ ^~~~~~~~~~~ include/linux/printk.h:580:38: note: expanded from macro 'pr_debug' no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__) ~~~ ^~~~~~~~~~~ include/linux/printk.h:132:17: note: expanded from macro 'no_printk' printk(fmt, ##__VA_ARGS__); \ ~~~ ^~~~~~~~~~~ include/linux/printk.h:450:60: note: expanded from macro 'printk' #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__) ~~~ ^~~~~~~~~~~ include/linux/printk.h:422:19: note: expanded from macro 'printk_index_wrap' _p_func(_fmt, ##__VA_ARGS__); \ ~~~~ ^~~~~~~~~~~ fs/ceph/inode.c:2326:72: warning: format specifies type 'unsigned long' but the argument has type 'size_t' (aka 'unsigned int') [-Wformat] dout("do_getvxattr xattr_value_len:%lu, size:%lu\n", xattr_value_len, size); ~~~ ^~~~ %u include/linux/ceph/ceph_debug.h:35:45: note: expanded from macro 'dout' # define dout(fmt, ...) pr_debug(" " fmt, ##__VA_ARGS__) ~~~ ^~~~~~~~~~~ include/linux/printk.h:580:38: note: expanded from macro 'pr_debug' no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__) ~~~ ^~~~~~~~~~~ include/linux/printk.h:132:17: note: expanded from macro 'no_printk' printk(fmt, ##__VA_ARGS__); \ ~~~ ^~~~~~~~~~~ include/linux/printk.h:450:60: note: expanded from macro 'printk' #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__) ~~~ ^~~~~~~~~~~ include/linux/printk.h:422:19: note: expanded from macro 'printk_index_wrap' _p_func(_fmt, ##__VA_ARGS__); \ ~~~~ ^~~~~~~~~~~ 2 warnings generated. vim +2326 fs/ceph/inode.c 2293 2294 int ceph_do_getvxattr(struct inode *inode, const char *name, void *value, 2295 size_t size) 2296 { 2297 struct ceph_fs_client *fsc = ceph_sb_to_client(inode->i_sb); 2298 struct ceph_mds_client *mdsc = fsc->mdsc; 2299 struct ceph_mds_request *req; 2300 int mode = USE_AUTH_MDS; 2301 int err; 2302 char *xattr_value; 2303 size_t xattr_value_len; 2304 2305 req = ceph_mdsc_create_request(mdsc, CEPH_MDS_OP_GETVXATTR, mode); 2306 if (IS_ERR(req)) { 2307 err = -ENOMEM; 2308 goto out; 2309 } 2310 2311 req->r_path2 = kstrdup(name, GFP_NOFS); 2312 if (!req->r_path2) { 2313 err = -ENOMEM; 2314 goto put; 2315 } 2316 2317 ihold(inode); 2318 req->r_inode = inode; 2319 err = ceph_mdsc_do_request(mdsc, NULL, req); 2320 if (err < 0) 2321 goto put; 2322 2323 xattr_value = req->r_reply_info.xattr_info.xattr_value; 2324 xattr_value_len = req->r_reply_info.xattr_info.xattr_value_len; 2325 2327 2328 err = xattr_value_len; 2329 if (size == 0) 2330 goto put; 2331 2332 if (xattr_value_len > size) { 2333 err = -ERANGE; 2334 goto put; 2335 } 2336 2337 memcpy(value, xattr_value, xattr_value_len); 2338 put: 2339 ceph_mdsc_put_request(req); 2340 out: 2341 dout("do_getvxattr result=%d\n", err); 2342 return err; 2343 } 2344 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org