41 static int prepare_seq_file(struct file *file, struct bpf_iter_link *link,
94 static ssize_t bpf_seq_read(struct file *file, char __user *buf, size_t size,  in bpf_seq_read()  argument
97 	struct seq_file *seq = file->private_data;  in bpf_seq_read()
256 static int iter_open(struct inode *inode, struct file *file)  in iter_open()  argument
260 	return prepare_seq_file(file, link, __get_seq_info(link));  in iter_open()
263 static int iter_release(struct inode *inode, struct file *file)  in iter_release()  argument
268 	seq = file->private_data;  in iter_release()
281 	return seq_release_private(inode, file);  in iter_release()
591 static int prepare_seq_file(struct file *file, struct bpf_iter_link *link,  in prepare_seq_file()  argument
609 	priv_data = __seq_open_private(file, seq_info->seq_ops,  in prepare_seq_file()
623 	seq = file->private_data;  in prepare_seq_file()
629 	seq_release_private(file->f_inode, file);  in prepare_seq_file()
630 	file->private_data = NULL;  in prepare_seq_file()
639 	struct file *file;  in bpf_iter_new_fd()  local
651 	file = anon_inode_getfile("bpf_iter", &bpf_iter_fops, NULL, flags);  in bpf_iter_new_fd()
652 	if (IS_ERR(file)) {  in bpf_iter_new_fd()
653 		err = PTR_ERR(file);  in bpf_iter_new_fd()
658 	err = prepare_seq_file(file, iter_link, __get_seq_info(iter_link));  in bpf_iter_new_fd()
662 	fd_install(fd, file);  in bpf_iter_new_fd()
666 	fput(file);  in bpf_iter_new_fd()
679 	if (seq->file->f_op != &bpf_iter_fops)  in bpf_iter_get_info()