[mcgrof-next:20211118-sysctl-cleanups-set-04-v2 28/36] fs/dcache.c:192:63: error: macro "register_sysctl_init" passed 3 arguments, but takes just 2

From: kernel test robot
Date: Fri Nov 19 2021 - 03:37:09 EST

tree: https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git 20211118-sysctl-cleanups-set-04-v2
head: 3110d41a56792588bd2f64621080948b0fceb6ab
commit: 55db5cb7387c09fbdfc731a9ab1573f69d8f1d6d [28/36] fs: move dcache sysctls to its own file
config: nds32-allnoconfig (attached as .config)
compiler: nds32le-linux-gcc (GCC) 11.2.0
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://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git/commit/?id=55db5cb7387c09fbdfc731a9ab1573f69d8f1d6d
git remote add mcgrof-next https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git
git fetch --no-tags mcgrof-next 20211118-sysctl-cleanups-set-04-v2
git checkout 55db5cb7387c09fbdfc731a9ab1573f69d8f1d6d
# save the attached .config to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=nds32 SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

fs/dcache.c: In function 'init_fs_dcache_sysctls':
>> fs/dcache.c:192:63: error: macro "register_sysctl_init" passed 3 arguments, but takes just 2
192 | register_sysctl_init("fs", fs_dcache_sysctls, "dcache");
| ^
In file included from include/linux/key.h:17,
from include/linux/cred.h:13,
from include/linux/sched/signal.h:10,
from include/linux/rcuwait.h:6,
from include/linux/percpu-rwsem.h:7,
from include/linux/fs.h:33,
from include/linux/huge_mm.h:8,
from include/linux/mm.h:717,
from fs/dcache.c:20:
include/linux/sysctl.h:216: note: macro "register_sysctl_init" defined here
216 | #define register_sysctl_init(path, table) __register_sysctl_init(path, table, #table)
>> fs/dcache.c:192:9: error: 'register_sysctl_init' undeclared (first use in this function); did you mean 'register_sysctl_paths'?
192 | register_sysctl_init("fs", fs_dcache_sysctls, "dcache");
| ^~~~~~~~~~~~~~~~~~~~
| register_sysctl_paths
fs/dcache.c:192:9: note: each undeclared identifier is reported only once for each function it appears in
At top level:
fs/dcache.c:179:25: warning: 'fs_dcache_sysctls' defined but not used [-Wunused-variable]
179 | static struct ctl_table fs_dcache_sysctls[] = {
| ^~~~~~~~~~~~~~~~~

vim +/register_sysctl_init +192 fs/dcache.c

190 static int __init init_fs_dcache_sysctls(void)
191 {
> 192 register_sysctl_init("fs", fs_dcache_sysctls, "dcache");
193 return 0;
194 }
195 early_initcall(init_fs_dcache_sysctls);
196 #endif

0-DAY CI Kernel Test Service, Intel Corporation

Attachment: .config.gz
Description: application/gzip