[hch-block:remove-blk_get_request 13/18] block/blk-mq.c:2464:14: warning: no previous prototype for function 'blk_mq_request_issue_directly'

[hch-block:remove-blk_get_request 13/18] block/blk-mq.c:2464:14: warning: no previous prototype for function 'blk_mq_request_issue_directly'

[kernel test robot]

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tree:   git://git.infradead.org/users/hch/block.git remove-blk_get_request
head:   466175155bbbc600d2493d2e69518cd0fe84bce0
commit: d6c17b39384f838a79faff786e94da3b693ed0dc [13/18] block: move request based cloning helpers to blk-mq.c
config: hexagon-randconfig-r045-20211021 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 3cea2505fd8d99a9ba0cb625aecfe28a47c4e3f8)
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
        git remote add hch-block git://git.infradead.org/users/hch/block.git
        git fetch --no-tags hch-block remove-blk_get_request
        git checkout d6c17b39384f838a79faff786e94da3b693ed0dc
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=hexagon 

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

All warnings (new ones prefixed by >>):

>> block/blk-mq.c:2464:14: warning: no previous prototype for function 'blk_mq_request_issue_directly' [-Wmissing-prototypes]
   blk_status_t blk_mq_request_issue_directly(struct request *rq, bool last)
                ^
   block/blk-mq.c:2464:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   blk_status_t blk_mq_request_issue_directly(struct request *rq, bool last)
   ^
   static 
   1 warning generated.


vim +/blk_mq_request_issue_directly +2464 block/blk-mq.c

0f95549c0ea1e8 Mike Snitzer      2018-01-17  2463  
fd9c40f64c514b Bart Van Assche   2019-04-04 @2464  blk_status_t blk_mq_request_issue_directly(struct request *rq, bool last)
fd9c40f64c514b Bart Van Assche   2019-04-04  2465  {
fd9c40f64c514b Bart Van Assche   2019-04-04  2466  	blk_status_t ret;
fd9c40f64c514b Bart Van Assche   2019-04-04  2467  	int srcu_idx;
fd9c40f64c514b Bart Van Assche   2019-04-04  2468  	struct blk_mq_hw_ctx *hctx = rq->mq_hctx;
fd9c40f64c514b Bart Van Assche   2019-04-04  2469  
fd9c40f64c514b Bart Van Assche   2019-04-04  2470  	hctx_lock(hctx, &srcu_idx);
3e08773c3841e9 Christoph Hellwig 2021-10-12  2471  	ret = __blk_mq_try_issue_directly(hctx, rq, true, last);
fd9c40f64c514b Bart Van Assche   2019-04-04  2472  	hctx_unlock(hctx, srcu_idx);
fd9c40f64c514b Bart Van Assche   2019-04-04  2473  
7f556a44e61d0b Jianchao Wang     2018-12-14  2474  	return ret;
07068d5b8ed8fa Jens Axboe        2014-05-22  2475  }
07068d5b8ed8fa Jens Axboe        2014-05-22  2476  

:::::: The code at line 2464 was first introduced by commit
:::::: fd9c40f64c514bdc585a21e2e33fa5f83ca8811b block: Revert v5.0 blk_mq_request_issue_directly() changes

:::::: TO: Bart Van Assche <bvanassche@acm.org>
:::::: CC: Jens Axboe <axboe@kernel.dk>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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