From 54f66b608d37dd2587a7d2b316e6ee721abe2cd3 Mon Sep 17 00:00:00 2001 From: NeilBrown Date: Tue, 25 Sep 2012 17:00:44 +1000 Subject: [PATCH] block: export trace_block_unplug This allows stacked devices (like md/raid5) to provide blktrace tracing, including unplug events. Reported-by: Fengguang Wu Signed-off-by: NeilBrown --- block/blk-core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/block/blk-core.c b/block/blk-core.c index 4b4dbdfbca89..ef55ae0f58ac 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -40,6 +40,7 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(block_bio_remap); EXPORT_TRACEPOINT_SYMBOL_GPL(block_rq_remap); EXPORT_TRACEPOINT_SYMBOL_GPL(block_bio_complete); +EXPORT_TRACEPOINT_SYMBOL_GPL(block_unplug); DEFINE_IDA(blk_queue_ida); -- 2.39.5