Re: [PATCH v14 031/138] fs/netfs: Add folio fscache functions

kernel test robot
2021-07-15T09:51:46Z

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Hi "Matthew,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v5.14-rc1 next-20210715]
[cannot apply to hnaz-linux-mm/master xfs-linux/for-next tip/perf/core]
[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]

url: https://github.com/0day-ci/linux/commits/Matthew-Wilcox-Oracle/Memory-folios/20210715-133101
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 8096acd7442e613fad0354fc8dfdb2003cceea0b
config: nios2-defconfig (attached as .config)
compiler: nios2-linux-gcc (GCC) 10.3.0
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
# https://github.com/0day-ci/linux/commit/8e4044529261dffc386ab56b6d90e8511c820605
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Matthew-Wilcox-Oracle/Memory-folios/20210715-133101
git checkout 8e4044529261dffc386ab56b6d90e8511c820605
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross ARCH=nios2

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

In file included from include/linux/fscache.h:22,
from fs/nfs/fscache.h:14,
from fs/nfs/client.c:48:
include/linux/netfs.h: In function 'folio_start_fscache':
>> include/linux/netfs.h:43:2: error: implicit declaration of function 'folio_set_private_2_flag'; did you mean 'folio_set_private_2'? [-Werror=implicit-function-declaration]
43 | folio_set_private_2_flag(folio);
| ^~~~~~~~~~~~~~~~~~~~~~~~
| folio_set_private_2
cc1: some warnings being treated as errors

vim +43 include/linux/netfs.h

31
32 /**
33 * folio_start_fscache - Start an fscache write on a folio.
34 * @folio: The folio.
35 *
36 * Call this function before writing a folio to a local cache. Starting a
37 * second write before the first one finishes is not allowed.
38 */
39 static inline void folio_start_fscache(struct folio *folio)
40 {
41 VM_BUG_ON_FOLIO(folio_test_private_2(folio), folio);
42 folio_get(folio);
> 43 folio_set_private_2_flag(folio);
44 }
45

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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