9:12 a.m.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm.git libnvdimm-fixes
head: d4c5da5049ac27c6ef8f6f98548c3a1ade352d25
commit: e2ec5128254518cae320d5dc631b71b94160f663 [2/3] dm: Call proper helper to determine
dax support
config: x86_64-randconfig-a011-20200920 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project
f4e554180962aa6bc93678898b6933ea712bde50)
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
# install x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
git checkout e2ec5128254518cae320d5dc631b71b94160f663
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All errors (new ones prefixed by >>):
> drivers/dax/super.c:325:6: error: redefinition of
'dax_supported'
bool dax_supported(struct dax_device *dax_dev, struct
block_device *bdev,
^
include/linux/dax.h:162:20: note: previous definition is here
static inline bool dax_supported(struct dax_device *dax_dev,
^
drivers/dax/super.c:451:6: warning: no previous prototype for function
'run_dax' [-Wmissing-prototypes]
void run_dax(struct dax_device *dax_dev)
^
drivers/dax/super.c:451:1: note: declare 'static' if the function is not
intended to be used outside of this translation unit
void run_dax(struct dax_device *dax_dev)
^
static
1 warning and 1 error generated.
#
https://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm.git/commit/...
git remote add linux-nvdimm
https://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm.git
git fetch --no-tags linux-nvdimm libnvdimm-fixes
git checkout e2ec5128254518cae320d5dc631b71b94160f663
vim +/dax_supported +325 drivers/dax/super.c
b0686260fecaa9 Dan Williams 2017-01-26 324
7bf7eac8d64805 Dan Williams 2019-05-16 @325 bool dax_supported(struct dax_device
*dax_dev, struct block_device *bdev,
7bf7eac8d64805 Dan Williams 2019-05-16 326 int blocksize, sector_t start, sector_t
len)
7bf7eac8d64805 Dan Williams 2019-05-16 327 {
e2ec5128254518 Jan Kara 2020-09-20 328 if (!dax_dev)
e2ec5128254518 Jan Kara 2020-09-20 329 return false;
e2ec5128254518 Jan Kara 2020-09-20 330
7bf7eac8d64805 Dan Williams 2019-05-16 331 if (!dax_alive(dax_dev))
7bf7eac8d64805 Dan Williams 2019-05-16 332 return false;
7bf7eac8d64805 Dan Williams 2019-05-16 333
7bf7eac8d64805 Dan Williams 2019-05-16 334 return
dax_dev->ops->dax_supported(dax_dev, bdev, blocksize, start, len);
7bf7eac8d64805 Dan Williams 2019-05-16 335 }
e2ec5128254518 Jan Kara 2020-09-20 336 EXPORT_SYMBOL_GPL(dax_supported);
7bf7eac8d64805 Dan Williams 2019-05-16 337
:::::: The code at line 325 was first introduced by commit
:::::: 7bf7eac8d648057519adb6fce1e31458c902212c dax: Arrange for dax_supported check to
span multiple devices
:::::: TO: Dan Williams <dan.j.williams(a)intel.com>
:::::: CC: Dan Williams <dan.j.williams(a)intel.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org