From: Yu Kuai yukuai3@huawei.com
[ Upstream commit 06d712d297649f48ebf1381d19bd24e942813b37 ]
trace_block_split() is missing, resulting in blktrace inability to catch BIO split events and making it harder to analyze the BIO sequence.
Cc: stable@vger.kernel.org Fixes: 488f6682c832 ("block: blk-crypto-fallback for Inline Encryption") Signed-off-by: Yu Kuai yukuai3@huawei.com Reviewed-by: Bart Van Assche bvanassche@acm.org Reviewed-by: Christoph Hellwig hch@lst.de Signed-off-by: Jens Axboe axboe@kernel.dk [ changed blk_crypto_fallback_split_bio_if_needed() to blk_crypto_split_bio_if_needed() ] Signed-off-by: Sasha Levin sashal@kernel.org --- 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 c322176a1e099..e47716fe289dd 100644 --- a/block/blk-crypto-fallback.c +++ b/block/blk-crypto-fallback.c @@ -18,6 +18,7 @@ #include <linux/mempool.h> #include <linux/module.h> #include <linux/random.h> +#include <trace/events/block.h>
#include "blk-crypto-internal.h"
@@ -231,7 +232,9 @@ static bool blk_crypto_split_bio_if_needed(struct bio **bio_ptr) bio->bi_status = BLK_STS_RESOURCE; return false; } + bio_chain(split_bio, bio); + trace_block_split(split_bio, bio->bi_iter.bi_sector); submit_bio_noacct(bio); *bio_ptr = split_bio; }