Re: [RFC v2 05/11] block: add infra to handle dmabuf tokens

[kernel test robot <lkp@intel.com>]

Hi Pavel,

[This is a private test report for your RFC patch.]
kernel test robot noticed the following build errors:

[auto build test ERROR on axboe/for-next]
[also build test ERROR on akpm-mm/mm-nonmm-unstable linus/master v6.18-rc7 next-20251126]
[cannot apply to linux-nvme/for-next]
[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/Pavel-Begunkov/file-add-callback-for-pre-mapping-dmabuf/20251124-065343
base:   https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux.git for-next
patch link:    https://lore.kernel.org/r/51cddd97b31d80ec8842a88b9f3c9881419e8a7b.1763725387.git.asml.silence%40gmail.com
patch subject: [RFC v2 05/11] block: add infra to handle dmabuf tokens
config: microblaze-defconfig (https://download.01.org/0day-ci/archive/20251127/202511270709.eD9unauR-lkp@intel.com/config)
compiler: microblaze-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251127/202511270709.eD9unauR-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202511270709.eD9unauR-lkp@intel.com/

All errors (new ones prefixed by >>):

   microblaze-linux-ld: block/bdev.o: in function `blkdev_dma_map':
   block/bdev.c:76:(.text+0x1708): undefined reference to `blk_mq_dma_map'
   microblaze-linux-ld: block/blk-mq.o: in function `blk_mq_submit_bio':
>> block/blk-rq-qos.h:117:(.text+0x8210): undefined reference to `blk_rq_assign_dma_map'


vim +117 block/blk-rq-qos.h

e504545446e4be Jens Axboe   2018-11-15  112  
e504545446e4be Jens Axboe   2018-11-15  113  static inline void rq_qos_cleanup(struct request_queue *q, struct bio *bio)
e504545446e4be Jens Axboe   2018-11-15  114  {
370ac285f23aec Nilay Shroff 2025-08-14  115  	if (unlikely(test_bit(QUEUE_FLAG_QOS_ENABLED, &q->queue_flags)) &&
370ac285f23aec Nilay Shroff 2025-08-14  116  			q->rq_qos)
e504545446e4be Jens Axboe   2018-11-15 @117  		__rq_qos_cleanup(q->rq_qos, bio);
e504545446e4be Jens Axboe   2018-11-15  118  }
e504545446e4be Jens Axboe   2018-11-15  119  

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