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authorLinus Torvalds <torvalds@linux-foundation.org>2011-04-15 08:01:13 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-04-15 08:01:13 -0700
commit5853b4f06f7b9b56f37f457d7923f7b96496074e (patch)
tree8cf850e91b26af25071f00055fa89fb924796de6 /include/trace/events/block.h
parenta970f5d513163a305d46f330d0a7d2dd4c4506f1 (diff)
parentf6603783f9f099bf7a83b3f6c689bbbf74f0e96e (diff)
downloadlinux-5853b4f06f7b9b56f37f457d7923f7b96496074e.tar.bz2
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
Diffstat (limited to 'include/trace/events/block.h')
-rw-r--r--include/trace/events/block.h25
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)
);
/**