[djwong-xfs:report-refcounts 312/312] ./usr/include/linux/fsrefcounts.h:68:19: error: unknown type name 'size_t'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux.git report-refcounts
head:   56237c29d5b332d3769b6ef0f3451ce7299a6430
commit: 56237c29d5b332d3769b6ef0f3451ce7299a6430 [312/312] xfs: export reference count information to userspace
config: i386-randconfig-m021-20210730 (attached as .config)
compiler: gcc-10 (Ubuntu 10.3.0-1ubuntu1~20.04) 10.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux.git/commit/?id=56237c29d5b332d3769b6ef0f3451ce7299a6430
        git remote add djwong-xfs https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux.git
        git fetch --no-tags djwong-xfs report-refcounts
        git checkout 56237c29d5b332d3769b6ef0f3451ce7299a6430
        # save the attached .config to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=i386 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 >>):

   In file included from <command-line>:32:
>> ./usr/include/linux/fsrefcounts.h:68:19: error: unknown type name 'size_t'
      68 | static __inline__ size_t
         |                   ^~~~~~

---
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Attachment: .config.gz
Description: application/gzip