Hi, There are some duplicated code when trying to merge bio from pluged list and software queue, thus this patch set did some clean-ups when merging a bio. Any comments are welcome. Thanks. Baolin Wang (5): block: Move bio merge related functions into blk-merge.c block: Remove redundant blk_mq_sched_allow_merge() validation block: Add a new helper to attempt to merge a bio block: Remove blk_mq_attempt_merge() function block: Remove __blk_mq_sched_bio_merge() helper block/blk-core.c | 156 ----------------------------------------------- block/blk-merge.c | 168 +++++++++++++++++++++++++++++++++++++++++++++++++++ block/blk-mq-sched.c | 64 ++++++-------------- block/blk-mq-sched.h | 13 +--- block/blk.h | 9 +++ 5 files changed, 197 insertions(+), 213 deletions(-) -- 1.8.3.1