raid5 already has this, as does dm.
linear and raid0 do no see completions, only bio_chain_end() or bio_endio()
see those.
So just add it for raid1 and raid10.
Between
Commit: 3a366e614d08 ("block: add missing block_bio_complete() tracepoint")
and
Commit: 0a82a8d132b2 ("Revert "block: add missing block_bio_complete() tracepoint"")
in the 3.9-rc series, this was done centrally in bio_endio().
Until/unless that is resurected, do the tracing in the md/raid code.
Signed-off-by: NeilBrown <neilb@xxxxxxxx>
---
drivers/md/raid1.c | 1 +
drivers/md/raid10.c | 1 +
2 files changed, 2 insertions(+)
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 3710a792a149..0674e5a0142e 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -257,6 +257,7 @@ static void call_bio_endio(struct r1bio *r1_bio)
bio->bi_error = -EIO;
if (done) {
+ trace_block_bio_complete(bdev_get_queue(bio->bi_bdev), bio, bio->bi_error);
bio_endio(bio);
/*
* Wake up any possible resync thread that waits for the device
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index d144c3425824..c3036099ff9a 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -311,6 +311,7 @@ static void raid_end_bio_io(struct r10bio *r10_bio)
if (!test_bit(R10BIO_Uptodate, &r10_bio->state))
bio->bi_error = -EIO;
if (done) {
+ trace_block_bio_complete(bdev_get_queue(bio->bi_bdev), bio, bio->bi_error);
bio_endio(bio);
/*
* Wake up any possible resync thread that waits for the device
--
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