-/*
- * splice is tied to pipes as a transport (at least for now), so we'll just
- * add the splice flags here.
- */
-#define SPLICE_F_MOVE (0x01) /* move pages instead of copying */
-#define SPLICE_F_NONBLOCK (0x02) /* don't block on the pipe splicing (but */
- /* we may still block on the fd we splice */
- /* from/to, of course */
-#define SPLICE_F_MORE (0x04) /* expect more data */
-#define SPLICE_F_GIFT (0x08) /* pages passed in are a gift */
-
-/*
- * Passed to the actors
- */
-struct splice_desc {
- unsigned int len, total_len; /* current and remaining length */
- unsigned int flags; /* splice flags */
- struct file *file; /* file to read/write */
- loff_t pos; /* file position */
-};
-
-typedef int (splice_actor)(struct pipe_inode_info *, struct pipe_buffer *,
- struct splice_desc *);
+/* Drop the inode semaphore and wait for a pipe event, atomically */
+void pipe_wait(struct inode * inode);