Hi Konstantin,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v5.10-rc1 next-20201030]
[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]

url:    
https://github.com/0day-ci/linux/commits/Konstantin-Komarov/NTFS-read-write-driver-GPL-implementation-by-Paragon-Software/20201030-230756
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
07e0887302450a62f51dba72df6afb5fabb23d1c
config: h8300-randconfig-s031-20201030 (attached as .config)
compiler: h8300-linux-gcc (GCC) 9.3.0
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: v0.6.3-68-g49c98aa3-dirty
        # 
https://github.com/0day-ci/linux/commit/7c34316b6c7f9af2046f8343d3b010c37340ef1d
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review 
Konstantin-Komarov/NTFS-read-write-driver-GPL-implementation-by-Paragon-Software/20201030-230756
        git checkout 7c34316b6c7f9af2046f8343d3b010c37340ef1d
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 
CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=h8300 

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


"sparse warnings: (new ones prefixed by >>)"
>> fs/ntfs3/frecord.c:569:33: sparse: sparse: cast to restricted __le32
>> fs/ntfs3/frecord.c:569:33: sparse: sparse: cast from restricted __le64
>> fs/ntfs3/frecord.c:569:33: sparse: sparse: cast to restricted __le32
>> fs/ntfs3/frecord.c:569:33: sparse: sparse: cast from restricted __le64
>> fs/ntfs3/frecord.c:569:33: sparse: sparse: cast to restricted __le32
>> fs/ntfs3/frecord.c:569:33: sparse: sparse: cast from restricted __le64
>> fs/ntfs3/frecord.c:569:33: sparse: sparse: cast to restricted __le32
>> fs/ntfs3/frecord.c:569:33: sparse: sparse: cast from restricted __le64
>> fs/ntfs3/frecord.c:569:33: sparse: sparse: cast to restricted __le32
>> fs/ntfs3/frecord.c:569:33: sparse: sparse: cast from restricted __le64
>> fs/ntfs3/frecord.c:569:33: sparse: sparse: cast to restricted __le32
>> fs/ntfs3/frecord.c:569:33: sparse: sparse: cast from restricted __le64

vim +569 fs/ntfs3/frecord.c

cbd4257e6d85149 Konstantin Komarov 2020-10-30  532  
cbd4257e6d85149 Konstantin Komarov 2020-10-30  533  /*
cbd4257e6d85149 Konstantin Komarov 2020-10-30  534   * random write access to 
sparsed or compressed file may result to
cbd4257e6d85149 Konstantin Komarov 2020-10-30  535   * not optimized packed 
runs.
cbd4257e6d85149 Konstantin Komarov 2020-10-30  536   * Here it is the place to 
optimize it
cbd4257e6d85149 Konstantin Komarov 2020-10-30  537   */
cbd4257e6d85149 Konstantin Komarov 2020-10-30  538  static int ni_repack(struct 
ntfs_inode *ni)
cbd4257e6d85149 Konstantin Komarov 2020-10-30  539  {
cbd4257e6d85149 Konstantin Komarov 2020-10-30  540      int err = 0;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  541      struct ntfs_sb_info 
*sbi = ni->mi.sbi;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  542      struct mft_inode *mi, 
*mi_p = NULL;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  543      struct ATTRIB *attr = 
NULL, *attr_p;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  544      struct ATTR_LIST_ENTRY 
*le = NULL, *le_p;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  545      CLST alloc = 0;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  546      u8 cluster_bits = 
sbi->cluster_bits;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  547      CLST svcn, evcn = 0, 
svcn_p, evcn_p, next_svcn;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  548      u32 roff, rs = 
sbi->record_size;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  549      struct runs_tree run;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  550  
cbd4257e6d85149 Konstantin Komarov 2020-10-30  551      run_init(&run);
cbd4257e6d85149 Konstantin Komarov 2020-10-30  552  
cbd4257e6d85149 Konstantin Komarov 2020-10-30  553      while ((attr = 
ni_enum_attr_ex(ni, attr, &le))) {
cbd4257e6d85149 Konstantin Komarov 2020-10-30  554              if 
(!attr->non_res)
cbd4257e6d85149 Konstantin Komarov 2020-10-30  555                      
continue;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  556  
cbd4257e6d85149 Konstantin Komarov 2020-10-30  557              if 
(ni_load_mi(ni, le, &mi)) {
cbd4257e6d85149 Konstantin Komarov 2020-10-30  558                      err = 
-EINVAL;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  559                      break;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  560              }
cbd4257e6d85149 Konstantin Komarov 2020-10-30  561  
cbd4257e6d85149 Konstantin Komarov 2020-10-30  562              svcn = 
le64_to_cpu(attr->nres.svcn);
cbd4257e6d85149 Konstantin Komarov 2020-10-30  563              if (svcn != 
le64_to_cpu(le->vcn)) {
cbd4257e6d85149 Konstantin Komarov 2020-10-30  564                      err = 
-EINVAL;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  565                      break;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  566              }
cbd4257e6d85149 Konstantin Komarov 2020-10-30  567  
cbd4257e6d85149 Konstantin Komarov 2020-10-30  568              if (!svcn) {
cbd4257e6d85149 Konstantin Komarov 2020-10-30 @569                      alloc = 
le32_to_cpu(attr->nres.alloc_size) >>
cbd4257e6d85149 Konstantin Komarov 2020-10-30  570                              
cluster_bits;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  571                      mi_p = 
NULL;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  572              } else if (svcn 
!= evcn + 1) {
cbd4257e6d85149 Konstantin Komarov 2020-10-30  573                      err = 
-EINVAL;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  574                      break;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  575              }
cbd4257e6d85149 Konstantin Komarov 2020-10-30  576  
cbd4257e6d85149 Konstantin Komarov 2020-10-30  577              evcn = 
le64_to_cpu(attr->nres.evcn);
cbd4257e6d85149 Konstantin Komarov 2020-10-30  578  
cbd4257e6d85149 Konstantin Komarov 2020-10-30  579              if (svcn > evcn 
+ 1) {
cbd4257e6d85149 Konstantin Komarov 2020-10-30  580                      err = 
-EINVAL;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  581                      break;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  582              }
cbd4257e6d85149 Konstantin Komarov 2020-10-30  583  
cbd4257e6d85149 Konstantin Komarov 2020-10-30  584              if (!mi_p) {
cbd4257e6d85149 Konstantin Komarov 2020-10-30  585                      /* do 
not try if too little free space */
cbd4257e6d85149 Konstantin Komarov 2020-10-30  586                      if 
(le32_to_cpu(mi->mrec->used) + 8 >= rs)
cbd4257e6d85149 Konstantin Komarov 2020-10-30  587                              
continue;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  588  
cbd4257e6d85149 Konstantin Komarov 2020-10-30  589                      /* do 
not try if last attribute segment */
cbd4257e6d85149 Konstantin Komarov 2020-10-30  590                      if 
(evcn + 1 == alloc)
cbd4257e6d85149 Konstantin Komarov 2020-10-30  591                              
continue;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  592                      
run_close(&run);
cbd4257e6d85149 Konstantin Komarov 2020-10-30  593              }
cbd4257e6d85149 Konstantin Komarov 2020-10-30  594  
cbd4257e6d85149 Konstantin Komarov 2020-10-30  595              roff = 
le16_to_cpu(attr->nres.run_off);
cbd4257e6d85149 Konstantin Komarov 2020-10-30  596              err = 
run_unpack(&run, sbi, ni->mi.rno, svcn, evcn, svcn,
cbd4257e6d85149 Konstantin Komarov 2020-10-30  597                              
 Add2Ptr(attr, roff),
cbd4257e6d85149 Konstantin Komarov 2020-10-30  598                              
 le32_to_cpu(attr->size) - roff);
cbd4257e6d85149 Konstantin Komarov 2020-10-30  599              if (err < 0)
cbd4257e6d85149 Konstantin Komarov 2020-10-30  600                      break;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  601  
cbd4257e6d85149 Konstantin Komarov 2020-10-30  602              if (!mi_p) {
cbd4257e6d85149 Konstantin Komarov 2020-10-30  603                      mi_p = 
mi;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  604                      attr_p 
= attr;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  605                      svcn_p 
= svcn;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  606                      evcn_p 
= evcn;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  607                      le_p = 
le;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  608                      
continue;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  609              }
cbd4257e6d85149 Konstantin Komarov 2020-10-30  610  
cbd4257e6d85149 Konstantin Komarov 2020-10-30  611              /*
cbd4257e6d85149 Konstantin Komarov 2020-10-30  612               * run contains 
data from two records: mi_p and mi
cbd4257e6d85149 Konstantin Komarov 2020-10-30  613               * try to pack 
in one
cbd4257e6d85149 Konstantin Komarov 2020-10-30  614               */
cbd4257e6d85149 Konstantin Komarov 2020-10-30  615              err = 
mi_pack_runs(mi_p, attr_p, &run, evcn + 1 - svcn_p);
cbd4257e6d85149 Konstantin Komarov 2020-10-30  616              if (err)
cbd4257e6d85149 Konstantin Komarov 2020-10-30  617                      break;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  618  
cbd4257e6d85149 Konstantin Komarov 2020-10-30  619              next_svcn = 
le64_to_cpu(attr_p->nres.evcn) + 1;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  620  
cbd4257e6d85149 Konstantin Komarov 2020-10-30  621              if (next_svcn 
>= evcn + 1) {
cbd4257e6d85149 Konstantin Komarov 2020-10-30  622                      /* we 
can remove this attribute segment */
cbd4257e6d85149 Konstantin Komarov 2020-10-30  623                      
al_remove_le(ni, le);
cbd4257e6d85149 Konstantin Komarov 2020-10-30  624                      
mi_remove_attr(mi, attr);
cbd4257e6d85149 Konstantin Komarov 2020-10-30  625                      le = 
le_p;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  626                      
continue;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  627              }
cbd4257e6d85149 Konstantin Komarov 2020-10-30  628  
cbd4257e6d85149 Konstantin Komarov 2020-10-30  629              attr->nres.svcn 
= le->vcn = cpu_to_le64(next_svcn);
cbd4257e6d85149 Konstantin Komarov 2020-10-30  630              mi->dirty = 
true;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  631              
ni->attr_list.dirty = true;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  632  
cbd4257e6d85149 Konstantin Komarov 2020-10-30  633              if (evcn + 1 == 
alloc) {
cbd4257e6d85149 Konstantin Komarov 2020-10-30  634                      err = 
mi_pack_runs(mi, attr, &run,
cbd4257e6d85149 Konstantin Komarov 2020-10-30  635                              
           evcn + 1 - next_svcn);
cbd4257e6d85149 Konstantin Komarov 2020-10-30  636                      if (err)
cbd4257e6d85149 Konstantin Komarov 2020-10-30  637                              
break;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  638                      mi_p = 
NULL;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  639              } else {
cbd4257e6d85149 Konstantin Komarov 2020-10-30  640                      mi_p = 
mi;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  641                      attr_p 
= attr;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  642                      svcn_p 
= next_svcn;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  643                      evcn_p 
= evcn;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  644                      le_p = 
le;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  645                      
run_truncate_head(&run, next_svcn);
cbd4257e6d85149 Konstantin Komarov 2020-10-30  646              }
cbd4257e6d85149 Konstantin Komarov 2020-10-30  647      }
cbd4257e6d85149 Konstantin Komarov 2020-10-30  648  
cbd4257e6d85149 Konstantin Komarov 2020-10-30  649      if (err) {
cbd4257e6d85149 Konstantin Komarov 2020-10-30  650              
ntfs_inode_warn(&ni->vfs_inode, "there is a problem");
cbd4257e6d85149 Konstantin Komarov 2020-10-30  651              
ntfs_set_state(sbi, NTFS_DIRTY_ERROR);
cbd4257e6d85149 Konstantin Komarov 2020-10-30  652  
cbd4257e6d85149 Konstantin Komarov 2020-10-30  653              /* Pack loaded 
but not packed runs */
cbd4257e6d85149 Konstantin Komarov 2020-10-30  654              if (mi_p)
cbd4257e6d85149 Konstantin Komarov 2020-10-30  655                      
mi_pack_runs(mi_p, attr_p, &run, evcn_p + 1 - svcn_p);
cbd4257e6d85149 Konstantin Komarov 2020-10-30  656      }
cbd4257e6d85149 Konstantin Komarov 2020-10-30  657  
cbd4257e6d85149 Konstantin Komarov 2020-10-30  658      run_close(&run);
cbd4257e6d85149 Konstantin Komarov 2020-10-30  659      return err;
cbd4257e6d85149 Konstantin Komarov 2020-10-30  660  }
cbd4257e6d85149 Konstantin Komarov 2020-10-30  661  

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