Hi Nitesh,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 7fc7222d9680366edeecc219c21ca96310bdbc10]

url:    
https://github.com/intel-lab-lkp/linux/commits/Nitesh-Shetty/block-Introduce-queue-limits-and-sysfs-for-copy-offload-support/20230920-170132
base:   7fc7222d9680366edeecc219c21ca96310bdbc10
patch link:    
https://lore.kernel.org/r/20230920080756.11919-9-nj.shetty%40samsung.com
patch subject: [PATCH v16 08/12] nvmet: add copy command support for bdev and 
file ns
config: i386-randconfig-061-20231002 
(https://download.01.org/0day-ci/archive/20231002/202310020910.tasoiepo-...@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): 
(https://download.01.org/0day-ci/archive/20231002/202310020910.tasoiepo-...@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 <l...@intel.com>
| Closes: 
https://lore.kernel.org/oe-kbuild-all/202310020910.tasoiepo-...@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/nvme/target/io-cmd-bdev.c:498:30: sparse: sparse: restricted __le16 
>> degrades to integer
>> drivers/nvme/target/io-cmd-bdev.c:514:41: sparse: sparse: incorrect type in 
>> argument 2 (different base types) @@     expected restricted blk_status_t 
>> [usertype] blk_sts @@     got int [assigned] [usertype] ret @@
   drivers/nvme/target/io-cmd-bdev.c:514:41: sparse:     expected restricted 
blk_status_t [usertype] blk_sts
   drivers/nvme/target/io-cmd-bdev.c:514:41: sparse:     got int [assigned] 
[usertype] ret

vim +498 drivers/nvme/target/io-cmd-bdev.c

   478  
   479  /*
   480   * At present we handle only one range entry, since copy offload is 
aligned with
   481   * copy_file_range, only one entry is passed from block layer.
   482   */
   483  static void nvmet_bdev_execute_copy(struct nvmet_req *rq)
   484  {
   485          struct nvme_copy_range range;
   486          struct nvme_command *cmd = rq->cmd;
   487          ssize_t ret;
   488          off_t dst, src;
   489  
   490          u16 status;
   491  
   492          status = nvmet_copy_from_sgl(rq, 0, &range, sizeof(range));
   493          if (status)
   494                  goto err_rq_complete;
   495  
   496          dst = le64_to_cpu(cmd->copy.sdlba) << rq->ns->blksize_shift;
   497          src = le64_to_cpu(range.slba) << rq->ns->blksize_shift;
 > 498          rq->copy_len = (range.nlb + 1) << rq->ns->blksize_shift;
   499  
   500          if (bdev_max_copy_sectors(rq->ns->bdev)) {
   501                  ret = blkdev_copy_offload(rq->ns->bdev, dst, src, 
rq->copy_len,
   502                                            nvmet_bdev_copy_endio,
   503                                            (void *)rq, GFP_KERNEL);
   504          } else {
   505                  ret = blkdev_copy_emulation(rq->ns->bdev, dst,
   506                                              rq->ns->bdev, src, 
rq->copy_len,
   507                                              nvmet_bdev_copy_endio,
   508                                              (void *)rq, GFP_KERNEL);
   509          }
   510          if (ret == -EIOCBQUEUED)
   511                  return;
   512  
   513          rq->cqe->result.u32 = cpu_to_le32(0);
 > 514          status = blk_to_nvme_status(rq, ret);
   515  err_rq_complete:
   516          nvmet_req_complete(rq, status);
   517  }
   518  

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

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