Re: [PATCHv4 6/8] blk-mq-dma: add support for mapping integrity metadata

Re: [PATCHv4 6/8] blk-mq-dma: add support for mapping integrity metadata

[kernel test robot]

Hi Keith,

kernel test robot noticed the following build errors:

[auto build test ERROR on axboe-block/for-next]
[also build test ERROR on linus/master next-20250801]
[cannot apply to linux-nvme/for-next hch-configfs/for-next v6.16]
[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/Keith-Busch/blk-mq-dma-introduce-blk_map_iter/20250731-230719
base:   https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next
patch link:    https://lore.kernel.org/r/20250731150513.220395-7-kbusch%40meta.com
patch subject: [PATCHv4 6/8] blk-mq-dma: add support for mapping integrity metadata
config: x86_64-kexec (https://download.01.org/0day-ci/archive/20250803/202508030710.X3P9snty-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250803/202508030710.X3P9snty-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/202508030710.X3P9snty-lkp@intel.com/

All errors (new ones prefixed by >>):

>> block/blk-mq-dma.c:18:27: error: no member named 'bi_integrity' in 'struct bio'
      18 |                 iter->iter = iter->bio->bi_integrity->bip_iter;
         |                              ~~~~~~~~~  ^
   block/blk-mq-dma.c:19:27: error: no member named 'bi_integrity' in 'struct bio'
      19 |                 iter->bvec = iter->bio->bi_integrity->bip_vec;
         |                              ~~~~~~~~~  ^
   2 errors generated.


vim +18 block/blk-mq-dma.c

     8	
     9	static bool __blk_map_iter_next(struct blk_map_iter *iter)
    10	{
    11		if (iter->iter.bi_size)
    12			return true;
    13		if (!iter->bio || !iter->bio->bi_next)
    14			return false;
    15	
    16		iter->bio = iter->bio->bi_next;
    17		if (iter->is_integrity) {
  > 18			iter->iter = iter->bio->bi_integrity->bip_iter;
    19			iter->bvec = iter->bio->bi_integrity->bip_vec;
    20		} else {
    21			iter->iter = iter->bio->bi_iter;
    22			iter->bvec = iter->bio->bi_io_vec;
    23		}
    24		return true;
    25	}
    26	

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