+extern int splice_from_pipe_feed(struct pipe_inode_info *, struct splice_desc *,
+ splice_actor *);
+extern int splice_from_pipe_next(struct pipe_inode_info *,
+ struct splice_desc *);
+extern void splice_from_pipe_begin(struct splice_desc *);
+extern void splice_from_pipe_end(struct pipe_inode_info *,
+ struct splice_desc *);
+extern int pipe_to_file(struct pipe_inode_info *, struct pipe_buffer *,
+ struct splice_desc *);
+