[vfs:Q33 23/62] fs/fs_context.c:370:3: error: implicit declaration of function 'vprintk_emit'; did you mean 'dev_printk_emit'?

[vfs:Q33 23/62] fs/fs_context.c:370:3: error: implicit declaration of function 'vprintk_emit'; did you mean 'dev_printk_emit'?

[kbuild test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git Q33
head:   7137da19ff622a80c07afb57e5a79794f0d7d54d
commit: 78434c707f30f5464fd1a1b7a7fa1692ded1d30a [23/62] vfs: Implement logging through fs_context
config: riscv-tinyconfig (attached as .config)
compiler: riscv64-linux-gcc (GCC) 8.1.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 78434c707f30f5464fd1a1b7a7fa1692ded1d30a
        # save the attached .config to linux build tree
        GCC_VERSION=8.1.0 make.cross ARCH=riscv 

Note: the vfs/Q33 HEAD 7137da19ff622a80c07afb57e5a79794f0d7d54d builds fine.
      It only hurts bisectibility.

All errors (new ones prefixed by >>):

   fs/fs_context.c: In function 'logfc':
>> fs/fs_context.c:370:3: error: implicit declaration of function 'vprintk_emit'; did you mean 'dev_printk_emit'? [-Werror=implicit-function-declaration]
      vprintk_emit(0, LOGLEVEL_WARNING, NULL, 0, fmt, va);
      ^~~~~~~~~~~~
      dev_printk_emit
   cc1: some warnings being treated as errors

vim +370 fs/fs_context.c

   356	
   357	/**
   358	 * logfc - Log a message to a filesystem context
   359	 * @fc: The filesystem context to log to.
   360	 * @fmt: The format of the buffer.
   361	 */
   362	void logfc(struct fs_context *fc, const char *fmt, ...)
   363	{
   364		va_list va;
   365	
   366		va_start(va, fmt);
   367	
   368		switch (fmt[0]) {
   369		case 'w':
 > 370			vprintk_emit(0, LOGLEVEL_WARNING, NULL, 0, fmt, va);
   371			break;
   372		case 'e':
   373			vprintk_emit(0, LOGLEVEL_ERR, NULL, 0, fmt, va);
   374			break;
   375		default:
   376			vprintk_emit(0, LOGLEVEL_NOTICE, NULL, 0, fmt, va);
   377			break;
   378		}
   379	
   380		pr_cont("\n");
   381		va_end(va);
   382	}
   383	EXPORT_SYMBOL(logfc);
   384	

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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