Re: [PATCH v1 05/14] fs: split off __alloc_page_buffers function

kernel test robot
2022-02-15T02:42:34Z

Hi Stefan,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on f1baf68e1383f6ed93eb9cff2866d46562607a43]

url: https://github.com/0day-ci/linux/commits/Stefan-Roesch/Support-sync-buffered-writes-for-io-uring/20220215-014908
base: f1baf68e1383f6ed93eb9cff2866d46562607a43
config: i386-randconfig-s002-20220214 (https://download.01.org/0day-ci/archive/20220215/202202151030.Z3rVrN17-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.4-dirty
# https://github.com/0day-ci/linux/commit/e8b24c1ab111c127cbe1daaac3b607c626fb03a8
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Stefan-Roesch/Support-sync-buffered-writes-for-io-uring/20220215-014908
git checkout e8b24c1ab111c127cbe1daaac3b607c626fb03a8
# save the config file to linux build tree
mkdir build_dir
make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' 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@intel.com>

sparse warnings: (new ones prefixed by >>)
>> fs/buffer.c:805:20: sparse: sparse: symbol '__alloc_page_buffers' was not declared. Should it be static?

Please review and possibly fold the followup patch.

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0-DAY CI Kernel Test Service, Intel Corporation