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authorArnaldo Carvalho de Melo <acme@redhat.com>2008-10-30 08:34:33 +0100
committerIngo Molnar <mingo@elte.hu>2008-11-26 12:13:34 +0100
commit5f3ea37c7716db4e894a480e0c18b24399595b6b (patch)
treedb6784635d024894f641b340dcd7c5060c446077 /drivers/md/dm.c
parent509dceef6470442d8c7b8a43ec34125205840b3c (diff)
downloadop-kernel-dev-5f3ea37c7716db4e894a480e0c18b24399595b6b.zip
op-kernel-dev-5f3ea37c7716db4e894a480e0c18b24399595b6b.tar.gz
blktrace: port to tracepoints
This was a forward port of work done by Mathieu Desnoyers, I changed it to encode the 'what' parameter on the tracepoint name, so that one can register interest in specific events and not on classes of events to then check the 'what' parameter. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/md/dm.c')
-rw-r--r--drivers/md/dm.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index c99e4728..d23fda1 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -21,6 +21,7 @@
#include <linux/idr.h>
#include <linux/hdreg.h>
#include <linux/blktrace_api.h>
+#include <trace/block.h>
#define DM_MSG_PREFIX "core"
@@ -504,8 +505,7 @@ static void dec_pending(struct dm_io *io, int error)
end_io_acct(io);
if (io->error != DM_ENDIO_REQUEUE) {
- blk_add_trace_bio(io->md->queue, io->bio,
- BLK_TA_COMPLETE);
+ trace_block_bio_complete(io->md->queue, io->bio);
bio_endio(io->bio, io->error);
}
@@ -598,7 +598,7 @@ static void __map_bio(struct dm_target *ti, struct bio *clone,
if (r == DM_MAPIO_REMAPPED) {
/* the bio has been remapped so dispatch it */
- blk_add_trace_remap(bdev_get_queue(clone->bi_bdev), clone,
+ trace_block_remap(bdev_get_queue(clone->bi_bdev), clone,
tio->io->bio->bi_bdev->bd_dev,
clone->bi_sector, sector);
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