[bcache:for-next 12/14] drivers/md/bcache/journal.c:802:20: warning: cast to pointer from integer of different size

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

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/colyli/linux-bcache.git for-next
head:   a019aef1d302e9dbc0b1d05f3a23d1220592c738
commit: 57f10cce2309fb555394d529e4b2ab9a7cc78f29 [12/14] bcache: support storing bcache journal into NVDIMM meta device
config: arc-allyesconfig (attached as .config)
compiler: arceb-elf-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/colyli/linux-bcache.git/commit/?id=57f10cce2309fb555394d529e4b2ab9a7cc78f29
        git remote add bcache https://git.kernel.org/pub/scm/linux/kernel/git/colyli/linux-bcache.git
        git fetch --no-tags bcache for-next
        git checkout 57f10cce2309fb555394d529e4b2ab9a7cc78f29
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arc 

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

All warnings (new ones prefixed by >>):

   drivers/md/bcache/journal.c: In function '__journal_nvdimm_write_unlocked':
>> drivers/md/bcache/journal.c:802:20: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
     802 |  memcpy_flushcache((void *)c->journal.key.ptr[0], w->data, sectors << 9);
         |                    ^
   drivers/md/bcache/journal.c: In function 'find_journal_nvm_base':
   drivers/md/bcache/journal.c:1041:53: error: dereferencing pointer to incomplete type 'struct bch_nvm_pages_owner_head'
    1041 |  struct bch_nvm_pgalloc_recs *recs_list = owner_list->recs[0];
         |                                                     ^~
   drivers/md/bcache/journal.c:1049:18: error: dereferencing pointer to incomplete type 'struct bch_nvm_pgalloc_recs'
    1049 |   rec = recs_list->recs;
         |                  ^~
   drivers/md/bcache/journal.c:1051:11: error: dereferencing pointer to incomplete type 'struct bch_pgalloc_rec'
    1051 |    if (rec->pgoff == jnl_pgoff)
         |           ^~
   drivers/md/bcache/journal.c:1053:7: error: increment of pointer to an incomplete type 'struct bch_pgalloc_rec'
    1053 |    rec++;
         |       ^~
   drivers/md/bcache/journal.c: In function '__bch_journal_nvdimm_init':
   drivers/md/bcache/journal.c:1105:4: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
    1105 |    (u64)(journal_nvm_base + (ca->sb.bucket_size * i));
         |    ^
--
   drivers/md/bcache/super.c: In function 'cache_set_free':
>> drivers/md/bcache/super.c:1705:6: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
    1705 |      (void *)(ca->sb.d[i] + offset), len);
         |      ^


vim +802 drivers/md/bcache/journal.c

   791	
   792	static void __journal_nvdimm_write_unlocked(struct cache_set *c)
   793		__releases(c->journal.lock)
   794	{
   795		struct journal_write *w = c->journal.cur;
   796		struct cache *ca = c->cache;
   797		unsigned int sectors;
   798	
   799		sectors = set_blocks(w->data, block_bytes(ca)) * ca->sb.block_size;
   800		atomic_long_add(sectors, &ca->meta_sectors_written);
   801	
 > 802		memcpy_flushcache((void *)c->journal.key.ptr[0], w->data, sectors << 9);
   803	
   804		c->journal.key.ptr[0] += sectors << 9;
   805		ca->journal.seq[ca->journal.cur_idx] = w->data->seq;
   806	
   807		atomic_dec_bug(&fifo_back(&c->journal.pin));
   808		bch_journal_next(&c->journal);
   809		journal_reclaim(c);
   810	
   811		spin_unlock(&c->journal.lock);
   812	}
   813	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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