Re: [PATCH 4/5] io_uring: support nonblock try for splicing from pipe to pipe

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Hi Hao,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on d8271bf021438f468dab3cd84fe5279b5bbcead8]

url:    https://github.com/intel-lab-lkp/linux/commits/Hao-Xu/support-nonblock-submission-for-splice-pipe-to-pipe/20220607-161605
base:   d8271bf021438f468dab3cd84fe5279b5bbcead8
config: i386-randconfig-s001 (https://download.01.org/0day-ci/archive/20220609/202206090959.CEWN5SEB-lkp@xxxxxxxxx/config)
compiler: gcc-11 (Debian 11.3.0-1) 11.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.4-26-gb3cf30ba-dirty
        # https://github.com/intel-lab-lkp/linux/commit/96683840c3f19b77a536a259094d24e0cd93ebc0
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Hao-Xu/support-nonblock-submission-for-splice-pipe-to-pipe/20220607-161605
        git checkout 96683840c3f19b77a536a259094d24e0cd93ebc0
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        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 where applicable
Reported-by: kernel test robot <lkp@xxxxxxxxx>


sparse warnings: (new ones prefixed by >>)
>> io_uring/splice.c:91:6: sparse: sparse: symbol 'io_splice_support_nowait' was not declared. Should it be static?

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp



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