* [PATCH] Export block tracepoints for use by kernel modules
@ 2014-04-22 14:23 Drew Richardson
2014-04-22 16:01 ` Christoph Hellwig
0 siblings, 1 reply; 2+ messages in thread
From: Drew Richardson @ 2014-04-22 14:23 UTC (permalink / raw)
To: Jens Axboe, linux-kernel, Pawel Moll
After commit de7b2973903c6cc50b31ee5682a69b2219b9919d ("tracepoint:
Use struct pointer instead of name hash for reg/unreg tracepoints"),
any tracepoints used in a kernel module must be exported.
Signed-off-by: Drew Richardson <drew.richardson@arm.com>
Acked-by: Pawel Moll <pawel.moll@arm.com>
---
block/blk-core.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/block/blk-core.c b/block/blk-core.c
index a0e3096c4bb5..a23f958ef20a 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -44,6 +44,21 @@ 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);
+EXPORT_TRACEPOINT_SYMBOL_GPL(block_touch_buffer);
+EXPORT_TRACEPOINT_SYMBOL_GPL(block_dirty_buffer);
+EXPORT_TRACEPOINT_SYMBOL_GPL(block_rq_abort);
+EXPORT_TRACEPOINT_SYMBOL_GPL(block_rq_requeue);
+EXPORT_TRACEPOINT_SYMBOL_GPL(block_rq_complete);
+EXPORT_TRACEPOINT_SYMBOL_GPL(block_rq_insert);
+EXPORT_TRACEPOINT_SYMBOL_GPL(block_rq_issue);
+EXPORT_TRACEPOINT_SYMBOL_GPL(block_bio_bounce);
+EXPORT_TRACEPOINT_SYMBOL_GPL(block_bio_backmerge);
+EXPORT_TRACEPOINT_SYMBOL_GPL(block_bio_frontmerge);
+EXPORT_TRACEPOINT_SYMBOL_GPL(block_bio_queue);
+EXPORT_TRACEPOINT_SYMBOL_GPL(block_getrq);
+EXPORT_TRACEPOINT_SYMBOL_GPL(block_sleeprq);
+EXPORT_TRACEPOINT_SYMBOL_GPL(block_plug);
+EXPORT_TRACEPOINT_SYMBOL_GPL(block_split);
DEFINE_IDA(blk_queue_ida);
--
1.8.3.2
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] Export block tracepoints for use by kernel modules
2014-04-22 14:23 [PATCH] Export block tracepoints for use by kernel modules Drew Richardson
@ 2014-04-22 16:01 ` Christoph Hellwig
0 siblings, 0 replies; 2+ messages in thread
From: Christoph Hellwig @ 2014-04-22 16:01 UTC (permalink / raw)
To: Drew Richardson; +Cc: Jens Axboe, linux-kernel, Pawel Moll
On Tue, Apr 22, 2014 at 07:23:41AM -0700, Drew Richardson wrote:
> After commit de7b2973903c6cc50b31ee5682a69b2219b9919d ("tracepoint:
> Use struct pointer instead of name hash for reg/unreg tracepoints"),
> any tracepoints used in a kernel module must be exported.
NAK due to the lack of in-tree modules actually using it.
^ permalink raw reply [flat|nested] 2+ messages in thread
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2014-04-22 16:01 ` Christoph Hellwig
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