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Subject[axboe-block:for-5.20/io_uring 61/69] io_uring/io_uring.c:3795:6: warning: no previous prototype for function 'io_assign_file'
tree:   https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-5.20/io_uring
head: 35527d1da9a7caedd07ab1b0a2176ea80bbdf692
commit: 7d8795a4e662b005b70330c8038f486f4465e4de [61/69] io_uring: move poll handling into its own file
config: arm-buildonly-randconfig-r004-20220531 (https://download.01.org/0day-ci/archive/20220602/202206022034.TQhzh79T-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project b364c76683f8ef241025a9556300778c07b590c2)
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
# install arm cross compiling tool for clang build
# apt-get install binutils-arm-linux-gnueabi
# https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git/commit/?id=7d8795a4e662b005b70330c8038f486f4465e4de
git remote add axboe-block https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git
git fetch --no-tags axboe-block for-5.20/io_uring
git checkout 7d8795a4e662b005b70330c8038f486f4465e4de
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> io_uring/io_uring.c:3795:6: warning: no previous prototype for function 'io_assign_file' [-Wmissing-prototypes]
bool io_assign_file(struct io_kiocb *req, unsigned int issue_flags)
^
io_uring/io_uring.c:3795:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
bool io_assign_file(struct io_kiocb *req, unsigned int issue_flags)
^
static
1 warning generated.


vim +/io_assign_file +3795 io_uring/io_uring.c

3794
> 3795 bool io_assign_file(struct io_kiocb *req, unsigned int issue_flags)
3796 {
3797 if (req->file || !io_op_defs[req->opcode].needs_file)
3798 return true;
3799
3800 if (req->flags & REQ_F_FIXED_FILE)
3801 req->file = io_file_get_fixed(req, req->cqe.fd, issue_flags);
3802 else
3803 req->file = io_file_get_normal(req, req->cqe.fd);
3804
3805 return !!req->file;
3806 }
3807

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

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