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| author | NeilBrown <neilb@suse.de> | 2012-12-14 20:49:27 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2012-12-14 20:49:27 +0100 |
| commit | cbae8d45d61f3a8c155caf267d01e5e0f0b2f4b7 (patch) | |
| tree | bf5920d41e2f948ce92b9dbe8bf3919290000f4e /block | |
| parent | 0cfbcafcae8b7364b5fa96c2b26ccde7a3a296a9 (diff) | |
| download | lwn-cbae8d45d61f3a8c155caf267d01e5e0f0b2f4b7.tar.gz lwn-cbae8d45d61f3a8c155caf267d01e5e0f0b2f4b7.zip | |
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>
Diffstat (limited to 'block')
| -rw-r--r-- | block/blk-core.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/block/blk-core.c b/block/blk-core.c index 473015ee28a2..c973249d68cd 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); |