taglinefilesource code
s_root116fs/nfs/inode.csb->u.nfs_sb.s_root = data->root;
s_root132fs/nfs/inode.cerror = nfs_proc_statfs(&sb->u.nfs_sb.s_server, &sb->u.nfs_sb.s_root,
s_root28include/linux/nfs_fs_sb.hstruct nfs_fh s_root;