From: kernel test robot <lkp@intel.com>
To: Kent Overstreet <kent.overstreet@linux.dev>
Cc: oe-kbuild-all@lists.linux.dev
Subject: [koverstreet-bcachefs:bcachefs-testing 928/938] fs/bcachefs/data/compress.c:91:13: warning: 'bio_phys_contig' defined but not used
Date: Wed, 19 Nov 2025 11:25:08 +0800 [thread overview]
Message-ID: <202511191104.SG9I2ACt-lkp@intel.com> (raw)
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
reply other threads:[~2025-11-19 3:25 UTC|newest]
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