+extern ssize_t xfs_splice_read(struct bhv_desc *, struct file *, loff_t *,
+ struct pipe_inode_info *, size_t, int, int,
+ struct cred *);
+extern ssize_t xfs_splice_write(struct bhv_desc *, struct pipe_inode_info *,
+ struct file *, loff_t *, size_t, int, int,
+ struct cred *);