Hi Nitesh,

kernel test robot noticed the following build warnings:

[auto build test WARNING on next-20230418]
[cannot apply to axboe-block/for-next device-mapper-dm/for-next linus/master 
v6.3-rc7 v6.3-rc6 v6.3-rc5 v6.3-rc7]
[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/Nitesh-Shetty/block-Add-copy-offload-support-infrastructure/20230419-204352
patch link:    
https://lore.kernel.org/r/20230419114320.13674-7-nj.shetty%40samsung.com
patch subject: [PATCH v10 6/9] nvmet: add copy command support for bdev and 
file ns
config: m68k-randconfig-s032-20230416 
(https://download.01.org/0day-ci/archive/20230420/202304200240.fslkpzvk-...@intel.com/config)
compiler: m68k-linux-gcc (GCC) 12.1.0
reproduce:
        wget 
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O 
~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.4-39-gce1a6720-dirty
        # 
https://github.com/intel-lab-lkp/linux/commit/420b04f7ba9a54898d62c1d60905f8cf952afde2
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review 
Nitesh-Shetty/block-Add-copy-offload-support-infrastructure/20230419-204352
        git checkout 420b04f7ba9a54898d62c1d60905f8cf952afde2
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 
CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=m68k olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 
CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=m68k 
SHELL=/bin/bash drivers/nvme/target/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <l...@intel.com>
| Link: 
https://lore.kernel.org/oe-kbuild-all/202304200240.fslkpzvk-...@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/nvme/target/io-cmd-bdev.c:55:27: sparse: sparse: incorrect type in 
>> argument 1 (different base types) @@     expected unsigned int [usertype] 
>> val @@     got restricted __le16 [usertype] mssrl @@
   drivers/nvme/target/io-cmd-bdev.c:55:27: sparse:     expected unsigned int 
[usertype] val
   drivers/nvme/target/io-cmd-bdev.c:55:27: sparse:     got restricted __le16 
[usertype] mssrl
>> drivers/nvme/target/io-cmd-bdev.c:55:27: sparse: sparse: cast from 
>> restricted __le16
>> drivers/nvme/target/io-cmd-bdev.c:55:27: sparse: sparse: cast from 
>> restricted __le16
>> drivers/nvme/target/io-cmd-bdev.c:55:27: sparse: sparse: cast from 
>> restricted __le16
>> drivers/nvme/target/io-cmd-bdev.c:55:27: sparse: sparse: cast from 
>> restricted __le16
   drivers/nvme/target/io-cmd-bdev.c:57:29: sparse: sparse: cast from 
restricted __le16
   drivers/nvme/target/io-cmd-bdev.c:60:27: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected unsigned int [usertype] val 
@@     got restricted __le16 [usertype] mssrl @@
   drivers/nvme/target/io-cmd-bdev.c:60:27: sparse:     expected unsigned int 
[usertype] val
   drivers/nvme/target/io-cmd-bdev.c:60:27: sparse:     got restricted __le16 
[usertype] mssrl
   drivers/nvme/target/io-cmd-bdev.c:60:27: sparse: sparse: cast from 
restricted __le16
   drivers/nvme/target/io-cmd-bdev.c:60:27: sparse: sparse: cast from 
restricted __le16
   drivers/nvme/target/io-cmd-bdev.c:60:27: sparse: sparse: cast from 
restricted __le16
   drivers/nvme/target/io-cmd-bdev.c:60:27: sparse: sparse: cast from 
restricted __le16

vim +55 drivers/nvme/target/io-cmd-bdev.c

    12  
    13  void nvmet_bdev_set_limits(struct block_device *bdev, struct nvme_id_ns 
*id)
    14  {
    15          /* Logical blocks per physical block, 0's based. */
    16          const __le16 lpp0b = to0based(bdev_physical_block_size(bdev) /
    17                                        bdev_logical_block_size(bdev));
    18  
    19          /*
    20           * For NVMe 1.2 and later, bit 1 indicates that the fields 
NAWUN,
    21           * NAWUPF, and NACWU are defined for this namespace and should 
be
    22           * used by the host for this namespace instead of the AWUN, 
AWUPF,
    23           * and ACWU fields in the Identify Controller data structure. If
    24           * any of these fields are zero that means that the 
corresponding
    25           * field from the identify controller data structure should be 
used.
    26           */
    27          id->nsfeat |= 1 << 1;
    28          id->nawun = lpp0b;
    29          id->nawupf = lpp0b;
    30          id->nacwu = lpp0b;
    31  
    32          /*
    33           * Bit 4 indicates that the fields NPWG, NPWA, NPDG, NPDA, and
    34           * NOWS are defined for this namespace and should be used by
    35           * the host for I/O optimization.
    36           */
    37          id->nsfeat |= 1 << 4;
    38          /* NPWG = Namespace Preferred Write Granularity. 0's based */
    39          id->npwg = lpp0b;
    40          /* NPWA = Namespace Preferred Write Alignment. 0's based */
    41          id->npwa = id->npwg;
    42          /* NPDG = Namespace Preferred Deallocate Granularity. 0's based 
*/
    43          id->npdg = to0based(bdev_discard_granularity(bdev) /
    44                              bdev_logical_block_size(bdev));
    45          /* NPDG = Namespace Preferred Deallocate Alignment */
    46          id->npda = id->npdg;
    47          /* NOWS = Namespace Optimal Write Size */
    48          id->nows = to0based(bdev_io_opt(bdev) / 
bdev_logical_block_size(bdev));
    49  
    50          /*Copy limits*/
    51          if (bdev_max_copy_sectors(bdev)) {
    52                  id->msrc = id->msrc;
    53                  id->mssrl = cpu_to_le16((bdev_max_copy_sectors(bdev) <<
    54                                  SECTOR_SHIFT) / 
bdev_logical_block_size(bdev));
  > 55                  id->mcl = cpu_to_le32(id->mssrl);
    56          } else {
    57                  id->msrc = (u8)to0based(BIO_MAX_VECS - 1);
    58                  id->mssrl = cpu_to_le16((BIO_MAX_VECS << PAGE_SHIFT) /
    59                                  bdev_logical_block_size(bdev));
    60                  id->mcl = cpu_to_le32(id->mssrl);
    61          }
    62  }
    63  

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

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