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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 /fs
parent509dceef6470442d8c7b8a43ec34125205840b3c (diff)
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 'fs')
-rw-r--r--fs/bio.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/bio.c b/fs/bio.c
index 77a55bcceedb..060859c69092 100644
--- a/fs/bio.c
+++ b/fs/bio.c
@@ -26,6 +26,7 @@
#include <linux/mempool.h>
#include <linux/workqueue.h>
#include <linux/blktrace_api.h>
+#include <trace/block.h>
#include <scsi/sg.h> /* for struct sg_iovec */
static struct kmem_cache *bio_slab __read_mostly;
@@ -1263,7 +1264,7 @@ struct bio_pair *bio_split(struct bio *bi, int first_sectors)
if (!bp)
return bp;
- blk_add_trace_pdu_int(bdev_get_queue(bi->bi_bdev), BLK_TA_SPLIT, bi,
+ trace_block_split(bdev_get_queue(bi->bi_bdev), bi,
bi->bi_sector + first_sectors);
BUG_ON(bi->bi_vcnt != 1);