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authorJens Axboe <jaxboe@fusionio.com>2011-04-12 10:12:19 +0200
committerJens Axboe <jaxboe@fusionio.com>2011-04-12 10:12:19 +0200
commit94b5eb28b41cc79d9713696e0005ae167b5afd1b (patch)
tree404680c86a360bfe623b5a287ee87dd5263b5a8e /kernel
parentd9c97833179036408e53ef5f3f5c7eaf781769bc (diff)
block: fixup block IO unplug trace call
It was removed with the on-stack plugging, readd it and track the depth of requests added when flushing the plug. Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/trace/blktrace.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index 824708cbfb7b..3e3970d53d14 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -850,13 +850,13 @@ static void blk_add_trace_plug(void *ignore, struct request_queue *q)
__blk_add_trace(bt, 0, 0, 0, BLK_TA_PLUG, 0, 0, NULL);
}
-static void blk_add_trace_unplug_io(void *ignore, struct request_queue *q)
+static void blk_add_trace_unplug_io(void *ignore, struct request_queue *q,
+ unsigned int depth)
{
struct blk_trace *bt = q->blk_trace;
if (bt) {
- unsigned int pdu = q->rq.count[READ] + q->rq.count[WRITE];
- __be64 rpdu = cpu_to_be64(pdu);
+ __be64 rpdu = cpu_to_be64(depth);
__blk_add_trace(bt, 0, 0, 0, BLK_TA_UNPLUG_IO, 0,
sizeof(rpdu), &rpdu);

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