From: Danny Shih <[email protected]>

Use submit_bio_noacct_add_head when sending split bio back to dm device.
Otherwise, it might be handled after the lately split bio.

Signed-off-by: Danny Shih <[email protected]>
Reviewed-by: Allen Peng <[email protected]>
Reviewed-by: Alex Wu <[email protected]>
---
 drivers/md/dm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index b3c3c8b..1a651d5 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -1613,7 +1613,7 @@ static blk_qc_t __split_and_process_bio(struct 
mapped_device *md,
 
                                bio_chain(b, bio);
                                trace_block_split(b, bio->bi_iter.bi_sector);
-                               ret = submit_bio_noacct(bio);
+                               ret = submit_bio_noacct_add_head(bio);
                                break;
                        }
                }
-- 
2.7.4

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