Re: [PATCH 11/12] btrfs: move existing remaps before relocating block group

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

Hi Mark,

kernel test robot noticed the following build warnings:

[auto build test WARNING on kdave/for-next]
[also build test WARNING on linus/master next-20250606]
[cannot apply to v6.15]
[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/Mark-Harmstone/btrfs-add-definitions-and-constants-for-remap-tree/20250606-002804
base:   https://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux.git for-next
patch link:    https://lore.kernel.org/r/20250605162345.2561026-12-maharmstone%40fb.com
patch subject: [PATCH 11/12] btrfs: move existing remaps before relocating block group
config: csky-randconfig-r133-20250606 (https://download.01.org/0day-ci/archive/20250606/202506061952.ALl7BezR-lkp@intel.com/config)
compiler: csky-linux-gcc (GCC) 14.3.0
reproduce: (https://download.01.org/0day-ci/archive/20250606/202506061952.ALl7BezR-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/202506061952.ALl7BezR-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> fs/btrfs/relocation.c:4036:27: sparse: sparse: incorrect type in initializer (different base types) @@     expected int op @@     got restricted blk_opf_t @@
   fs/btrfs/relocation.c:4036:27: sparse:     expected int op
   fs/btrfs/relocation.c:4036:27: sparse:     got restricted blk_opf_t
>> fs/btrfs/relocation.c:4042:46: sparse: sparse: incorrect type in argument 2 (different base types) @@     expected restricted blk_opf_t [usertype] opf @@     got int op @@
   fs/btrfs/relocation.c:4042:46: sparse:     expected restricted blk_opf_t [usertype] opf
   fs/btrfs/relocation.c:4042:46: sparse:     got int op
   fs/btrfs/relocation.c:4053:62: sparse: sparse: incorrect type in argument 2 (different base types) @@     expected restricted blk_opf_t [usertype] opf @@     got int op @@
   fs/btrfs/relocation.c:4053:62: sparse:     expected restricted blk_opf_t [usertype] opf
   fs/btrfs/relocation.c:4053:62: sparse:     got int op

vim +4036 fs/btrfs/relocation.c

  4028	
  4029	static int copy_remapped_data_io(struct btrfs_fs_info *fs_info,
  4030					 struct reloc_io_private *priv,
  4031					 struct page **pages, u64 addr, u64 length,
  4032					 bool do_write)
  4033	{
  4034		struct btrfs_bio *bbio;
  4035		unsigned long i = 0;
> 4036		int op = do_write ? REQ_OP_WRITE : REQ_OP_READ;
  4037	
  4038		init_completion(&priv->done);
  4039		refcount_set(&priv->pending_refs, 1);
  4040		priv->status = 0;
  4041	
> 4042		bbio = btrfs_bio_alloc(BIO_MAX_VECS, op, fs_info, reloc_endio,
  4043				       priv);
  4044		bbio->bio.bi_iter.bi_sector = addr >> SECTOR_SHIFT;
  4045	
  4046		do {
  4047			size_t bytes = min_t(u64, length, PAGE_SIZE);
  4048	
  4049			if (bio_add_page(&bbio->bio, pages[i], bytes, 0) < bytes) {
  4050				refcount_inc(&priv->pending_refs);
  4051				btrfs_submit_bbio(bbio, 0);
  4052	
  4053				bbio = btrfs_bio_alloc(BIO_MAX_VECS, op, fs_info,
  4054						       reloc_endio, priv);
  4055				bbio->bio.bi_iter.bi_sector = addr >> SECTOR_SHIFT;
  4056				continue;
  4057			}
  4058	
  4059			i++;
  4060			addr += bytes;
  4061			length -= bytes;
  4062		} while (length);
  4063	
  4064		refcount_inc(&priv->pending_refs);
  4065		btrfs_submit_bbio(bbio, 0);
  4066	
  4067		if (!refcount_dec_and_test(&priv->pending_refs))
  4068			wait_for_completion_io(&priv->done);
  4069	
  4070		return blk_status_to_errno(READ_ONCE(priv->status));
  4071	}
  4072	

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