[koverstreet-bcachefs:bcachefs-testing 928/938] fs/bcachefs/data/compress.c:91:13: warning: 'bio_phys_contig' defined but not used

[koverstreet-bcachefs:bcachefs-testing 928/938] fs/bcachefs/data/compress.c:91:13: warning: 'bio_phys_contig' defined but not used

[kernel test robot]

tree:   https://github.com/koverstreet/bcachefs bcachefs-testing
head:   d04553e82dc579b00db91a9bf53d148425c00f7e
commit: 9d8c0abd05770eb55042839e565e3cf44302af44 [928/938] bcachefs: kill off bvec.bv_page uses
config: arm-randconfig-004-20251119 (https://download.01.org/0day-ci/archive/20251119/202511191104.SG9I2ACt-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 13.4.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251119/202511191104.SG9I2ACt-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/202511191104.SG9I2ACt-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> fs/bcachefs/data/compress.c:91:13: warning: 'bio_phys_contig' defined but not used [-Wunused-function]
      91 | static bool bio_phys_contig(struct bio *bio, struct bvec_iter start)
         |             ^~~~~~~~~~~~~~~


vim +/bio_phys_contig +91 fs/bcachefs/data/compress.c

2fa23a10a54b61f fs/bcachefs/data/compress.c Kent Overstreet 2025-10-30   90  
c4dd7871ef71a73 fs/bcachefs/compress.c      Kent Overstreet 2020-05-06  @91  static bool bio_phys_contig(struct bio *bio, struct bvec_iter start)
c4dd7871ef71a73 fs/bcachefs/compress.c      Kent Overstreet 2020-05-06   92  {
c4dd7871ef71a73 fs/bcachefs/compress.c      Kent Overstreet 2020-05-06   93  	struct bio_vec bv;
c4dd7871ef71a73 fs/bcachefs/compress.c      Kent Overstreet 2020-05-06   94  	struct bvec_iter iter;
c4dd7871ef71a73 fs/bcachefs/compress.c      Kent Overstreet 2020-05-06   95  	void *expected_start = NULL;
c4dd7871ef71a73 fs/bcachefs/compress.c      Kent Overstreet 2020-05-06   96  
c4dd7871ef71a73 fs/bcachefs/compress.c      Kent Overstreet 2020-05-06   97  	__bio_for_each_bvec(bv, bio, iter, start) {
9d8c0abd05770eb fs/bcachefs/data/compress.c Kent Overstreet 2025-11-17   98  		void *bv_addr = bvec_virt(&bv);
9d8c0abd05770eb fs/bcachefs/data/compress.c Kent Overstreet 2025-11-17   99  
9d8c0abd05770eb fs/bcachefs/data/compress.c Kent Overstreet 2025-11-17  100  		if (expected_start && expected_start != bv_addr)
c4dd7871ef71a73 fs/bcachefs/compress.c      Kent Overstreet 2020-05-06  101  			return false;
c4dd7871ef71a73 fs/bcachefs/compress.c      Kent Overstreet 2020-05-06  102  
9d8c0abd05770eb fs/bcachefs/data/compress.c Kent Overstreet 2025-11-17  103  		expected_start = bv_addr + bv.bv_len;
c4dd7871ef71a73 fs/bcachefs/compress.c      Kent Overstreet 2020-05-06  104  	}
c4dd7871ef71a73 fs/bcachefs/compress.c      Kent Overstreet 2020-05-06  105  
c4dd7871ef71a73 fs/bcachefs/compress.c      Kent Overstreet 2020-05-06  106  	return true;
c4dd7871ef71a73 fs/bcachefs/compress.c      Kent Overstreet 2020-05-06  107  }
c4dd7871ef71a73 fs/bcachefs/compress.c      Kent Overstreet 2020-05-06  108  

:::::: The code at line 91 was first introduced by commit
:::::: c4dd7871ef71a7327b6b3834e2cdf6777e03eb0a bcachefs: Some compression improvements

:::::: TO: Kent Overstreet <kent.overstreet@gmail.com>
:::::: CC: Kent Overstreet <kent.overstreet@linux.dev>

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