linux-kernel - [bvanassche:block-bitwise-opf 15/15] block/blk-wbt.c:677:11: error: call to __compiletime_assert_332 declared with 'error' attribute: BUILD_BUG_ON failed: !__same_type(op, blk_mq_opf_t) && !__same_type(op, enum req

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Message-ID: <202206171642.Dj2zJ4rt-lkp@intel.com>
Date:   Fri, 17 Jun 2022 16:09:05 +0800
From:   kernel test robot <lkp@...el.com>
To:     Bart Van Assche <bvanassche@....org>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: [bvanassche:block-bitwise-opf 15/15] block/blk-wbt.c:677:11: error:
 call to __compiletime_assert_332 declared with 'error' attribute:
 BUILD_BUG_ON failed: !__same_type(op, blk_mq_opf_t) && !__same_type(op, enum
 req_op)

tree:   https://github.com/bvanassche/linux block-bitwise-opf
head:   031ccdd616b11c4e774e56aa7eae906188ab24cc
commit: 031ccdd616b11c4e774e56aa7eae906188ab24cc [15/15] block: Introduce the type blk_mq_opf_t
config: hexagon-randconfig-r045-20220617 (https://download.01.org/0day-ci/archive/20220617/202206171642.Dj2zJ4rt-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d764aa7fc6b9cc3fbe960019018f5f9e941eb0a6)
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/bvanassche/linux/commit/031ccdd616b11c4e774e56aa7eae906188ab24cc
        git remote add bvanassche https://github.com/bvanassche/linux
        git fetch --no-tags bvanassche block-bitwise-opf
        git checkout 031ccdd616b11c4e774e56aa7eae906188ab24cc
        # 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=hexagon SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

>> block/blk-wbt.c:677:11: error: call to __compiletime_assert_332 declared with 'error' attribute: BUILD_BUG_ON failed: !__same_type(op, blk_mq_opf_t) && !__same_type(op, enum req_op)
           else if (op_is_write(op))
                    ^
   include/linux/blk_types.h:487:3: note: expanded from macro 'op_is_write'
                   BUILD_BUG_ON(!__same_type(op, blk_mq_opf_t) &&  \
                   ^
   include/linux/build_bug.h:50:2: note: expanded from macro 'BUILD_BUG_ON'
           BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
           ^
   include/linux/build_bug.h:39:37: note: expanded from macro 'BUILD_BUG_ON_MSG'
   #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
                                       ^
   note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
   include/linux/compiler_types.h:340:2: note: expanded from macro '_compiletime_assert'
           __compiletime_assert(condition, msg, prefix, suffix)
           ^
   include/linux/compiler_types.h:333:4: note: expanded from macro '__compiletime_assert'
                           prefix ## suffix();                             \
                           ^
   <scratch space>:89:1: note: expanded from here
   __compiletime_assert_332
   ^
   1 error generated.


vim +/error +677 block/blk-wbt.c

80e091d10e8bf7 Jens Axboe 2016-11-28  670  
99c749a4c4f4ea Jens Axboe 2017-04-21  671  static int wbt_data_dir(const struct request *rq)
99c749a4c4f4ea Jens Axboe 2017-04-21  672  {
5235553d821433 Jens Axboe 2018-02-05  673  	const int op = req_op(rq);
5235553d821433 Jens Axboe 2018-02-05  674  
5235553d821433 Jens Axboe 2018-02-05  675  	if (op == REQ_OP_READ)
5235553d821433 Jens Axboe 2018-02-05  676  		return READ;
825843b0adb7c9 Jens Axboe 2018-05-03 @677  	else if (op_is_write(op))
5235553d821433 Jens Axboe 2018-02-05  678  		return WRITE;
5235553d821433 Jens Axboe 2018-02-05  679  
5235553d821433 Jens Axboe 2018-02-05  680  	/* don't account */
5235553d821433 Jens Axboe 2018-02-05  681  	return -1;
99c749a4c4f4ea Jens Axboe 2017-04-21  682  }
99c749a4c4f4ea Jens Axboe 2017-04-21  683  

:::::: The code at line 677 was first introduced by commit
:::::: 825843b0adb7c95e8cbab35e6fee64980e29ade8 blk-wbt: account any writing command as a write

:::::: TO: Jens Axboe <axboe@...nel.dk>
:::::: CC: Jens Axboe <axboe@...nel.dk>

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