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Subject[hch-block:blkdev.h-includes 14/16] include/linux/blk_types.h:434:8: error: invalid use of undefined type 'struct request'
tree:   git://git.infradead.org/users/hch/block.git blkdev.h-includes
head: db08f634bead64da6de80830782f3c339fc41b11
commit: be3ba4f465ffc4c2ae10a1556ae6b80bcce17235 [14/16] block: move struct request to blk-mq.h
config: h8300-randconfig-r001-20210725 (attached as .config)
compiler: h8300-linux-gcc (GCC) 10.3.0
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 blkdev.h-includes
git checkout be3ba4f465ffc4c2ae10a1556ae6b80bcce17235
# save the attached .config to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross O=build_dir ARCH=h8300 SHELL=/bin/bash drivers/block/

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

All errors (new ones prefixed by >>):

In file included from include/linux/genhd.h:19,
from include/linux/blkdev.h:7,
from drivers/block/rnbd/rnbd-proto.h:13,
from drivers/block/rnbd/rnbd-common.c:9:
drivers/block/rnbd/rnbd-proto.h: In function 'rq_to_rnbd_flags':
>> include/linux/blk_types.h:434:8: error: invalid use of undefined type 'struct request'
434 | ((req)->cmd_flags & REQ_OP_MASK)
| ^~
drivers/block/rnbd/rnbd-proto.h:274:10: note: in expansion of macro 'req_op'
274 | switch (req_op(rq)) {
| ^~~~~~
In file included from arch/h8300/include/asm/bug.h:8,
from include/linux/bug.h:5,
from include/linux/thread_info.h:13,
from include/asm-generic/current.h:5,
from ./arch/h8300/include/generated/asm/current.h:1,
from include/linux/sched.h:12,
from include/linux/blkdev.h:5,
from drivers/block/rnbd/rnbd-proto.h:13,
from drivers/block/rnbd/rnbd-common.c:9:
>> include/linux/blk_types.h:434:8: error: invalid use of undefined type 'struct request'
434 | ((req)->cmd_flags & REQ_OP_MASK)
| ^~
include/asm-generic/bug.h:91:48: note: in definition of macro '__WARN_printf'
91 | warn_slowpath_fmt(__FILE__, __LINE__, taint, arg); \
| ^~~
drivers/block/rnbd/rnbd-proto.h:294:3: note: in expansion of macro 'WARN'
294 | WARN(1, "Unknown request type %d (flags %llu)\n",
| ^~~~
drivers/block/rnbd/rnbd-proto.h:295:8: note: in expansion of macro 'req_op'
295 | req_op(rq), (unsigned long long)rq->cmd_flags);
| ^~~~~~
>> drivers/block/rnbd/rnbd-proto.h:295:42: error: invalid use of undefined type 'struct request'
295 | req_op(rq), (unsigned long long)rq->cmd_flags);
| ^~
include/asm-generic/bug.h:91:48: note: in definition of macro '__WARN_printf'
91 | warn_slowpath_fmt(__FILE__, __LINE__, taint, arg); \
| ^~~
drivers/block/rnbd/rnbd-proto.h:294:3: note: in expansion of macro 'WARN'
294 | WARN(1, "Unknown request type %d (flags %llu)\n",
| ^~~~
In file included from drivers/block/rnbd/rnbd-common.c:9:
drivers/block/rnbd/rnbd-proto.h:299:19: error: invalid use of undefined type 'struct request'
299 | if (op_is_sync(rq->cmd_flags))
| ^~
drivers/block/rnbd/rnbd-proto.h:302:20: error: invalid use of undefined type 'struct request'
302 | if (op_is_flush(rq->cmd_flags))
| ^~


vim +434 include/linux/blk_types.h

dbae2c551377b6 Michael Callahan 2018-07-18 430
ef295ecf090d3e Christoph Hellwig 2016-10-28 431 #define bio_op(bio) \
ef295ecf090d3e Christoph Hellwig 2016-10-28 432 ((bio)->bi_opf & REQ_OP_MASK)
ef295ecf090d3e Christoph Hellwig 2016-10-28 433 #define req_op(req) \
ef295ecf090d3e Christoph Hellwig 2016-10-28 @434 ((req)->cmd_flags & REQ_OP_MASK)
7cc015811ef899 Tejun Heo 2010-08-03 435

:::::: The code at line 434 was first introduced by commit
:::::: ef295ecf090d3e86e5b742fc6ab34f1122a43773 block: better op and flags encoding

:::::: TO: Christoph Hellwig <hch@lst.de>
:::::: CC: Jens Axboe <axboe@fb.com>

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