Hi David,

I love your patch! Yet something to improve:

[auto build test ERROR on next-20200219]
[cannot apply to tip/x86/asm nfs/linux-next ext4/dev linus/master v5.6-rc2 v5.6-rc1 v5.5 v5.6-rc2]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/David-Howells/VFS-Filesystem-information-and-notifications-ver-16/20200220-072538
base:    1d7f85df0f9c0456520ae86dc597bca87980d253
config: mips-nlm_xlr_defconfig (attached as .config)
compiler: mips-linux-gcc (GCC) 7.5.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=7.5.0 make.cross ARCH=mips 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <redacted>

All errors (new ones prefixed by >>):

quoted

fs/nfs/nfs4super.c:29:3: error: 'const struct super_operations' has no member named 'fsinfo_attributes'

     .fsinfo_attributes = nfs_fsinfo_attributes,
      ^~~~~~~~~~~~~~~~~

vim +29 fs/nfs/nfs4super.c

    22	
    23	static const struct super_operations nfs4_sops = {
    24		.alloc_inode	= nfs_alloc_inode,
    25		.free_inode	= nfs_free_inode,
    26		.write_inode	= nfs4_write_inode,
    27		.drop_inode	= nfs_drop_inode,
    28		.statfs		= nfs_statfs,
  > 29		.fsinfo_attributes = nfs_fsinfo_attributes,
    30		.evict_inode	= nfs4_evict_inode,
    31		.umount_begin	= nfs_umount_begin,
    32		.show_options	= nfs_show_options,
    33		.show_devname	= nfs_show_devname,
    34		.show_path	= nfs_show_path,
    35		.show_stats	= nfs_show_stats,
    36	};
    37	

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