block: attempt to merge with existing requests on plug flush

[pandora-kernel.git] / include / linux / elevator.h

diff --git a/include/linux/elevator.h b/include/linux/elevator.h
index ec6f72b..d93efcc 100644 (file)
--- a/include/linux/elevator.h
+++ b/include/linux/elevator.h
@@ -166,6 +166,7 @@ extern struct request *elv_rb_find(struct rb_root *, sector_t);
 #define ELEVATOR_INSERT_SORT   3
 #define ELEVATOR_INSERT_REQUEUE        4
 #define ELEVATOR_INSERT_FLUSH  5
+#define ELEVATOR_INSERT_SORT_MERGE     6
 
 /*
  * return values from elevator_may_queue_fn