block: export block_unplug tracepoint · cbae8d45d6 - Gogs

block: export block_unplug tracepoint

This allows stacked devices (like md/raid5) to provide blktrace
tracing, including unplug events.

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

NeilBrown 12 years ago

parent

0cfbcafcae

commit

cbae8d45d6

1 changed files with 1 additions and 0 deletions

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							- 0
						
block/blk-core.c
							 
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				@@ -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);