netfs_read_sizes
netfs_read_sizes(inode, &i_size, &remote_i_size, &zero_point);
netfs_read_sizes(inode, &i_size, &remote_i_size, &zero_point);
netfs_read_sizes(inode, &i_size, &remote_i_size, &zero_point);
netfs_read_sizes(inode, &i_size, &remote_i_size, &zero_point);