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>
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@ -40,6 +40,7 @@
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EXPORT_TRACEPOINT_SYMBOL_GPL(block_bio_remap);
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EXPORT_TRACEPOINT_SYMBOL_GPL(block_bio_remap);
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EXPORT_TRACEPOINT_SYMBOL_GPL(block_rq_remap);
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EXPORT_TRACEPOINT_SYMBOL_GPL(block_rq_remap);
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EXPORT_TRACEPOINT_SYMBOL_GPL(block_bio_complete);
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EXPORT_TRACEPOINT_SYMBOL_GPL(block_bio_complete);
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EXPORT_TRACEPOINT_SYMBOL_GPL(block_unplug);
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DEFINE_IDA(blk_queue_ida);
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DEFINE_IDA(blk_queue_ida);
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