From: Danny Shih <dannyshih@xxxxxxxxxxxx> 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 <dannyshih@xxxxxxxxxxxx> Reviewed-by: Allen Peng <allenpeng@xxxxxxxxxxxx> Reviewed-by: Alex Wu <alexwu@xxxxxxxxxxxx> --- 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
