Hi Satya,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v5.9-rc8]
[cannot apply to f2fs/dev-test linux/master next-20201002]
[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/Satya-Tangirala/add-support-for-metadata-encryption-to-F2FS/20201005-153825
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 549738f15da0e5a00275977623be199fbbf7df50
config: sh-allmodconfig (attached as .config)
compiler: sh4-linux-gcc (GCC) 9.3.0
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/0dcac73b9c53e2f16c8c8ba3a9fc84084ddae25d
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Satya-Tangirala/add-support-for-metadata-encryption-to-F2FS/20201005-153825
        git checkout 0dcac73b9c53e2f16c8c8ba3a9fc84084ddae25d
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sh 

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 >>, old ones prefixed by <<):

ERROR: modpost: "__delay" [drivers/net/phy/mdio-cavium.ko] undefined!
>> ERROR: modpost: "fscrypt_setup_metadata_encryption" [fs/f2fs/f2fs.ko] undefined!
>> ERROR: modpost: "fscrypt_free_metadata_encryption" [fs/f2fs/f2fs.ko] undefined!
>> ERROR: modpost: "fscrypt_metadata_crypt_prepare_all_devices" [fs/f2fs/f2fs.ko] undefined!
>> ERROR: modpost: "fscrypt_metadata_crypt_bio" [fs/f2fs/f2fs.ko] undefined!

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