[openeuler:openEuler-1.0-LTS 1343/1343] fs/ext4/mballoc.o: warning: objtool: ext4_mb_complex_scan_group()+0x11a4: unreachable instruction

[openeuler:openEuler-1.0-LTS 1343/1343] fs/ext4/mballoc.o: warning: objtool: ext4_mb_complex_scan_group()+0x11a4: unreachable instruction

[kernel test robot]

Hi Theodore,

First bad commit (maybe != root cause):

tree:   https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS
head:   045418106c25769e424b67183bab8f2333dc6278
commit: 41298197ead9e85ee2ec1d52122f03fd1863cff2 [1343/1343] ext4: convert BUG_ON's to WARN_ON's in mballoc.c
config: x86_64-randconfig-101-20241223 (https://download.01.org/0day-ci/archive/20251018/202510180854.b1yio4sf-lkp@intel.com/config)
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251018/202510180854.b1yio4sf-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/202510180854.b1yio4sf-lkp@intel.com/

All warnings (new ones prefixed by >>):

   fs/ext4/mballoc.c:4734: warning: Function parameter or member 'bh' not described in 'ext4_free_blocks'
>> fs/ext4/mballoc.o: warning: objtool: ext4_mb_complex_scan_group()+0x11a4: unreachable instruction

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

[openeuler:openEuler-1.0-LTS 1343/1343] fs/ext4/mballoc.o: warning: objtool: ext4_mb_complex_scan_group()+0x11a4: unreachable instruction

[kernel test robot]

Hi Theodore,

First bad commit (maybe != root cause):

tree:   https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS
head:   b0534aa9eeb9c05e780430c051477b8eb5768330
commit: 41298197ead9e85ee2ec1d52122f03fd1863cff2 [1343/1343] ext4: convert BUG_ON's to WARN_ON's in mballoc.c
config: x86_64-randconfig-101-20241223 (https://download.01.org/0day-ci/archive/20251009/202510092235.vuhTySNB-lkp@intel.com/config)
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251009/202510092235.vuhTySNB-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/202510092235.vuhTySNB-lkp@intel.com/

All warnings (new ones prefixed by >>):

   fs/ext4/mballoc.c:4734: warning: Function parameter or member 'bh' not described in 'ext4_free_blocks'
>> fs/ext4/mballoc.o: warning: objtool: ext4_mb_complex_scan_group()+0x11a4: unreachable instruction

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

[openeuler:openEuler-1.0-LTS 1343/1343] fs/ext4/mballoc.o: warning: objtool: ext4_mb_complex_scan_group()+0x11a4: unreachable instruction

[kernel test robot]

Hi Theodore,

First bad commit (maybe != root cause):

tree:   https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS
head:   7dd09dff93e7ad921baf5cec4b58301d9aebb79a
commit: 41298197ead9e85ee2ec1d52122f03fd1863cff2 [1343/1343] ext4: convert BUG_ON's to WARN_ON's in mballoc.c
config: x86_64-randconfig-101-20241223 (https://download.01.org/0day-ci/archive/20250901/202509011339.wShfHPCs-lkp@intel.com/config)
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250901/202509011339.wShfHPCs-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/202509011339.wShfHPCs-lkp@intel.com/

All warnings (new ones prefixed by >>):

   fs/ext4/mballoc.c:4734: warning: Function parameter or member 'bh' not described in 'ext4_free_blocks'
>> fs/ext4/mballoc.o: warning: objtool: ext4_mb_complex_scan_group()+0x11a4: unreachable instruction

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

[openeuler:openEuler-1.0-LTS 1343/1343] fs/ext4/mballoc.o: warning: objtool: ext4_mb_complex_scan_group()+0x11a4: unreachable instruction

[kernel test robot]

Hi Theodore,

First bad commit (maybe != root cause):

tree:   https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS
head:   eabd480503b5c662a59778c9fa8c1a8f611d724e
commit: 41298197ead9e85ee2ec1d52122f03fd1863cff2 [1343/1343] ext4: convert BUG_ON's to WARN_ON's in mballoc.c
config: x86_64-randconfig-101-20241223 (https://download.01.org/0day-ci/archive/20250715/202507152317.9HDizx33-lkp@intel.com/config)
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250715/202507152317.9HDizx33-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/202507152317.9HDizx33-lkp@intel.com/

All warnings (new ones prefixed by >>):

   fs/ext4/mballoc.c:4734: warning: Function parameter or member 'bh' not described in 'ext4_free_blocks'
>> fs/ext4/mballoc.o: warning: objtool: ext4_mb_complex_scan_group()+0x11a4: unreachable instruction

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

[openeuler:openEuler-1.0-LTS 1343/1343] fs/ext4/mballoc.o: warning: objtool: ext4_mb_complex_scan_group()+0x11a4: unreachable instruction

[kernel test robot]

Hi Theodore,

FYI, the error/warning still remains.

tree:   https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS
head:   da51139d17e9d53d61a9877d9042e43b85d71ee1
commit: 41298197ead9e85ee2ec1d52122f03fd1863cff2 [1343/1343] ext4: convert BUG_ON's to WARN_ON's in mballoc.c
config: x86_64-randconfig-101-20241223 (https://download.01.org/0day-ci/archive/20250205/202502050119.jyApN4Fx-lkp@intel.com/config)
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250205/202502050119.jyApN4Fx-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/202502050119.jyApN4Fx-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from fs/ext4/mballoc.c:12:
   In file included from fs/ext4/ext4_jbd2.h:16:
   In file included from include/linux/jbd2.h:26:
   In file included from include/linux/buffer_head.h:14:
   include/linux/pagemap.h:425:21: warning: cast from 'int (*)(struct file *, struct page *)' to 'filler_t *' (aka 'int (*)(void *, struct page *)') converts to incompatible function type [-Wcast-function-type-strict]
     425 |         filler_t *filler = (filler_t *)mapping->a_ops->readpage;
         |                            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   1 warning generated.
   fs/ext4/mballoc.c:4734: warning: Function parameter or member 'bh' not described in 'ext4_free_blocks'
>> fs/ext4/mballoc.o: warning: objtool: ext4_mb_complex_scan_group()+0x11a4: unreachable instruction

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

[openeuler:openEuler-1.0-LTS 1343/1343] fs/ext4/mballoc.o: warning: objtool: ext4_mb_complex_scan_group()+0x11a4: unreachable instruction

[kernel test robot]

Hi Theodore,

FYI, the error/warning still remains.

tree:   https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS
head:   da51139d17e9d53d61a9877d9042e43b85d71ee1
commit: 41298197ead9e85ee2ec1d52122f03fd1863cff2 [1343/1343] ext4: convert BUG_ON's to WARN_ON's in mballoc.c
config: x86_64-randconfig-101-20241223 (https://download.01.org/0day-ci/archive/20250128/202501280034.3ctUnk1s-lkp@intel.com/config)
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250128/202501280034.3ctUnk1s-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/202501280034.3ctUnk1s-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from fs/ext4/mballoc.c:12:
   In file included from fs/ext4/ext4_jbd2.h:16:
   In file included from include/linux/jbd2.h:26:
   In file included from include/linux/buffer_head.h:14:
   include/linux/pagemap.h:425:21: warning: cast from 'int (*)(struct file *, struct page *)' to 'filler_t *' (aka 'int (*)(void *, struct page *)') converts to incompatible function type [-Wcast-function-type-strict]
     425 |         filler_t *filler = (filler_t *)mapping->a_ops->readpage;
         |                            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   1 warning generated.
   fs/ext4/mballoc.c:4734: warning: Function parameter or member 'bh' not described in 'ext4_free_blocks'
>> fs/ext4/mballoc.o: warning: objtool: ext4_mb_complex_scan_group()+0x11a4: unreachable instruction

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

[openeuler:openEuler-1.0-LTS 1343/1343] fs/ext4/mballoc.o: warning: objtool: ext4_mb_complex_scan_group()+0x11a4: unreachable instruction

[kernel test robot]

tree:   https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS
head:   765b132216f73bb52fced28360c98a386ee20152
commit: 41298197ead9e85ee2ec1d52122f03fd1863cff2 [1343/1343] ext4: convert BUG_ON's to WARN_ON's in mballoc.c
config: x86_64-randconfig-101-20241223 (https://download.01.org/0day-ci/archive/20241224/202412240236.czAsLPLH-lkp@intel.com/config)
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241224/202412240236.czAsLPLH-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/202412240236.czAsLPLH-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from fs/ext4/mballoc.c:12:
   In file included from fs/ext4/ext4_jbd2.h:16:
   In file included from include/linux/jbd2.h:26:
   In file included from include/linux/buffer_head.h:14:
   include/linux/pagemap.h:425:21: warning: cast from 'int (*)(struct file *, struct page *)' to 'filler_t *' (aka 'int (*)(void *, struct page *)') converts to incompatible function type [-Wcast-function-type-strict]
     425 |         filler_t *filler = (filler_t *)mapping->a_ops->readpage;
         |                            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   1 warning generated.
   fs/ext4/mballoc.c:4734: warning: Function parameter or member 'bh' not described in 'ext4_free_blocks'
>> fs/ext4/mballoc.o: warning: objtool: ext4_mb_complex_scan_group()+0x11a4: unreachable instruction

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