[PATCH] splice: add a SPLICE_F_MORE flag

This lets userspace indicate whether more data will be coming in a
subsequent splice call.

Signed-off-by: Jens Axboe <axboe@suse.de>

include/linux/pipe_fs_i.h

@@ -62,5 +62,6 @@ void free_pipe_info(struct inode* inode);
 #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 */
 
 #endif