* [PATCH] block: export trace_block_unplug
@ 2012-09-24 23:57 NeilBrown
2012-09-25 12:50 ` Jens Axboe
0 siblings, 1 reply; 3+ messages in thread
From: NeilBrown @ 2012-09-24 23:57 UTC (permalink / raw)
To: Jens Axboe; +Cc: lkml, Fengguang Wu
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Hi Jens,
is there any chance this can be in the next merge window? I'm
adding block tracing to md and found I need another export.
Thanks,
NeilBrown
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>
diff --git a/block/blk-core.c b/block/blk-core.c
index 4b4dbdf..ef55ae0 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);
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^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] block: export trace_block_unplug
2012-09-24 23:57 [PATCH] block: export trace_block_unplug NeilBrown
@ 2012-09-25 12:50 ` Jens Axboe
2012-09-26 1:27 ` NeilBrown
0 siblings, 1 reply; 3+ messages in thread
From: Jens Axboe @ 2012-09-25 12:50 UTC (permalink / raw)
To: NeilBrown; +Cc: lkml, Fengguang Wu
On 09/25/2012 01:57 AM, NeilBrown wrote:
>
> Hi Jens,
> is there any chance this can be in the next merge window? I'm
> adding block tracing to md and found I need another export.
No problem, applied.
--
Jens Axboe
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] block: export trace_block_unplug
2012-09-25 12:50 ` Jens Axboe
@ 2012-09-26 1:27 ` NeilBrown
0 siblings, 0 replies; 3+ messages in thread
From: NeilBrown @ 2012-09-26 1:27 UTC (permalink / raw)
To: Jens Axboe; +Cc: lkml, Fengguang Wu
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On Tue, 25 Sep 2012 14:50:34 +0200 Jens Axboe <axboe@kernel.dk> wrote:
> On 09/25/2012 01:57 AM, NeilBrown wrote:
> >
> > Hi Jens,
> > is there any chance this can be in the next merge window? I'm
> > adding block tracing to md and found I need another export.
>
> No problem, applied.
>
Thanks.
NeilBrown
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^ permalink raw reply [flat|nested] 3+ messages in thread
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2012-09-24 23:57 [PATCH] block: export trace_block_unplug NeilBrown
2012-09-25 12:50 ` Jens Axboe
2012-09-26 1:27 ` NeilBrown
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