fd_prepare_file
fd_prepare_file(fdf)->f_op = &spufs_context_fops;
fd_prepare_file(fdf)->f_op = &spufs_gang_fops;
fd_prepare_file(fdf)->private_data = req;
obj->file = fd_prepare_file(fdf);
ep->file = fd_prepare_file(fdf);
__receive_sock(fd_prepare_file(fdf));
fd_prepare_file(fdf)->f_mode |= FMODE_NEED_UNMOUNT;
struct file *file = fd_prepare_file(fdf);
fd_prepare_file(fdf)->f_mode |= FMODE_NOWAIT;
struct file *filp = fd_prepare_file(fdf);
file = fd_prepare_file(fdf);
err = prepare_seq_file(fd_prepare_file(fdf), iter_link);
fd_prepare_file(fdf)->private_data = no_free_ptr(token);