Re: [PATCH 1/1] blk-mq: fix blk_mq_hw_ctx active request accounting

From: kernel test robot <lkp@intel.com>
To: Tian Lan <tilan7663@gmail.com>,
	axboe@kernel.dk, linux-block@vger.kernel.org
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
	Tian Lan <tian.lan@twosigma.com>
Subject: Re: [PATCH 1/1] blk-mq: fix blk_mq_hw_ctx active request accounting
Date: Sun, 14 May 2023 00:41:24 +0800	[thread overview]
Message-ID: <202305140021.WvuGBjaZ-lkp@intel.com> (raw)
In-Reply-To: <20230513141234.8395-1-tilan7663@gmail.com>

Hi Tian,

kernel test robot noticed the following build errors:

[auto build test ERROR on axboe-block/for-next]
[also build test ERROR on linus/master v6.4-rc1 next-20230512]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Tian-Lan/blk-mq-fix-blk_mq_hw_ctx-active-request-accounting/20230513-221329
base:   https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next
patch link:    https://lore.kernel.org/r/20230513141234.8395-1-tilan7663%40gmail.com
patch subject: [PATCH 1/1] blk-mq: fix blk_mq_hw_ctx active request accounting
config: x86_64-randconfig-a014 (https://download.01.org/0day-ci/archive/20230514/202305140021.WvuGBjaZ-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
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
        # https://github.com/intel-lab-lkp/linux/commit/f958f858d42c76e1439649993bd485ac02200f87
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Tian-Lan/blk-mq-fix-blk_mq_hw_ctx-active-request-accounting/20230513-221329
        git checkout f958f858d42c76e1439649993bd485ac02200f87
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202305140021.WvuGBjaZ-lkp@intel.com/

All errors (new ones prefixed by >>):

>> block/blk-mq.c:1574:45: error: expected ';' after expression
                           __blk_mq_dec_active_requests(rq->mq_hctx)
                                                                    ^
                                                                    ;
   1 error generated.

vim +1574 block/blk-mq.c

  1566	
  1567	void blk_mq_put_rq_ref(struct request *rq)
  1568	{
  1569		if (is_flush_rq(rq)) {
  1570			if (rq->end_io(rq, 0) == RQ_END_IO_FREE)
  1571				blk_mq_free_request(rq);
  1572		} else if (req_ref_put_and_test(rq)) {
  1573			if (rq->rq_flags & RQF_MQ_INFLIGHT)
> 1574				__blk_mq_dec_active_requests(rq->mq_hctx)
  1575	
  1576			__blk_mq_free_request(rq);
  1577		}
  1578	}
  1579	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests