Hi Sargun, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on miklos-vfs/overlayfs-next] [also build test WARNING on linus/master v5.10-rc5 next-20201125] [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/Sargun-Dhillon/Make-overlayfs-volatile-mounts-reusable/20201125-184754 base: https://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs.git overlayfs-next config: parisc-randconfig-r001-20201125 (attached as .config) compiler: hppa-linux-gcc (GCC) 9.3.0 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/2fee0f742c2bb44771e51ed73ec7faf50165832a git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Sargun-Dhillon/Make-overlayfs-volatile-mounts-reusable/20201125-184754 git checkout 2fee0f742c2bb44771e51ed73ec7faf50165832a # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=parisc 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/overlayfs/readdir.c:16: fs/overlayfs/readdir.c: In function 'ovl_verify_volatile_info': >> fs/overlayfs/overlayfs.h:13:21: warning: format '%ld' expects argument of type 'long int', but argument 4 has type 'unsigned int' [-Wformat=] 13 | #define pr_fmt(fmt) "overlayfs: " fmt | ^~~~~~~~~~~~~ include/linux/dynamic_debug.h:129:15: note: in expansion of macro 'pr_fmt' 129 | func(&id, ##__VA_ARGS__); \ | ^~~~~~~~~~~ include/linux/dynamic_debug.h:147:2: note: in expansion of macro '__dynamic_func_call' 147 | __dynamic_func_call(__UNIQUE_ID(ddebug), fmt, func, ##__VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~ include/linux/dynamic_debug.h:157:2: note: in expansion of macro '_dynamic_func_call' 157 | _dynamic_func_call(fmt, __dynamic_pr_debug, \ | ^~~~~~~~~~~~~~~~~~ include/linux/printk.h:424:2: note: in expansion of macro 'dynamic_pr_debug' 424 | dynamic_pr_debug(fmt, ##__VA_ARGS__) | ^~~~~~~~~~~~~~~~ fs/overlayfs/readdir.c:1097:3: note: in expansion of macro 'pr_debug' 1097 | pr_debug("ovl_volatile_info is of size %d expected %ld\n", err, | ^~~~~~~~ fs/overlayfs/readdir.c:1097:56: note: format string is defined here 1097 | pr_debug("ovl_volatile_info is of size %d expected %ld\n", err, | ~~^ | | | long int | %d vim +13 fs/overlayfs/overlayfs.h e9be9d5e76e3487 Miklos Szeredi 2014-10-24 11 1bd0a3aea4357e1 lijiazi 2019-12-16 12 #undef pr_fmt 1bd0a3aea4357e1 lijiazi 2019-12-16 @13 #define pr_fmt(fmt) "overlayfs: " fmt 1bd0a3aea4357e1 lijiazi 2019-12-16 14 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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