From: Yu Kuai 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 --- 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