Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block

* 'for-linus' of git://git.kernel.dk/linux-2.6-block:
  block: only force kblockd unplugging from the schedule() path
  block: cleanup the block plug helper functions
  block, blk-sysfs: Use the variable directly instead of a function call
  block: move queue run on unplug to kblockd
  block: kill queue_sync_plugs()
  block: readd plug trace event
  block: add callback function for unplug notification
  block: add comment on why we save and disable interrupts in flush_plug_list()
  block: fixup block IO unplug trace call
  block: remove block_unplug_timer() trace point
  block: splice plug list to local context

1 files changed, 6 insertions, 19 deletions

diff --git a/include/trace/events/block.h b/include/trace/events/block.h
index 78f18adb49c8..006e60b58306 100644
--- a/include/trace/events/block.h
+++ b/include/trace/events/block.h
@@ -401,9 +401,9 @@ TRACE_EVENT(block_plug,
 
 DECLARE_EVENT_CLASS(block_unplug,
 
-        TP_PROTO(struct request_queue *q),
+        TP_PROTO(struct request_queue *q, unsigned int depth),
 
-        TP_ARGS(q),
+        TP_ARGS(q, depth),
 
         TP_STRUCT__entry(
                 __field( int,           nr_rq                   )
@@ -411,7 +411,7 @@ DECLARE_EVENT_CLASS(block_unplug,
         ),
 
         TP_fast_assign(
-                __entry->nr_rq  = q->rq.count[READ] + q->rq.count[WRITE];
+                __entry->nr_rq = depth;
                 memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
         ),
 
@@ -419,31 +419,18 @@ DECLARE_EVENT_CLASS(block_unplug,
 );
 
 /**
- * block_unplug_timer - timed release of operations requests in queue to device driver
- * @q: request queue to unplug
- *
- * Unplug the request queue @q because a timer expired and allow block
- * operation requests to be sent to the device driver.
- */
-DEFINE_EVENT(block_unplug, block_unplug_timer,
-
-        TP_PROTO(struct request_queue *q),
-
-        TP_ARGS(q)
-);
-
-/**
  * block_unplug_io - release of operations requests in request queue
  * @q: request queue to unplug
+ * @depth: number of requests just added to the queue
  *
  * Unplug request queue @q because device driver is scheduled to work
  * on elements in the request queue.
  */
 DEFINE_EVENT(block_unplug, block_unplug_io,
 
-        TP_PROTO(struct request_queue *q),
+        TP_PROTO(struct request_queue *q, unsigned int depth),
 
-        TP_ARGS(q)
+        TP_ARGS(q, depth)
 );
 
 /**