NNPFS_TO_VFS       61 xfs/xfs_node-bsd.c     error = getnewvnode(VT_XFS, NNPFS_TO_VFS(xfsp), xfs_vnodeop_p, vpp);
NNPFS_TO_VFS      211 xfs/xfs_node-bsd.c     struct mount *mp = NNPFS_TO_VFS(xfsp);
NNPFS_TO_VFS      253 xfs/xfs_vfsops-common.c     NNPFS_TO_VFS(xfsp) = NULL;