From: Yu Kuai <yukuai3@xxxxxxxxxx>
1) trace_block_split() is missing and blktrace can't catch split events;
2) blkcg_bio_issue_init() is missing, and io-latency will not work
correctly for split bio.
Fixes: 488f6682c832 ("block: blk-crypto-fallback for Inline Encryption")
Signed-off-by: Yu Kuai <yukuai3@xxxxxxxxxx>
---
block/blk-crypto-fallback.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/block/blk-crypto-fallback.c b/block/blk-crypto-fallback.c
index 005c9157ffb3..cae11c2f96c5 100644
--- a/block/blk-crypto-fallback.c
+++ b/block/blk-crypto-fallback.c
@@ -231,7 +231,10 @@ static bool blk_crypto_fallback_split_bio_if_needed(struct bio **bio_ptr)
bio->bi_status = BLK_STS_RESOURCE;
return false;
}
+
+ blkcg_bio_issue_init(split_bio);
bio_chain(split_bio, bio);
+ trace_block_split(split_bio, bio->bi_iter.bi_sector);
submit_bio_noacct(bio);
*bio_ptr = split_bio;
}
--
2.39.2
