From: Yu Kuai <yukuai3@xxxxxxxxxx> patch 1 export a bio split helper; patch 2-6 unfiy bio split code from mdraid to use the helper; patch 7 convert the helper to insert split bio to the head of current bio_list This set is just test for raid5 for now, see details in patch 7; Yu Kuai (7): block: export helper bio_submit_split() md/raid0: convert raid0_handle_discard() to use bio_submit_split() md/raid1: convert to use bio_submit_split() md/raid10: convert read/write to use bio_submit_split() md/raid5: convert to use bio_submit_split() md/md-linear: convert to use bio_submit_split() block: fix disordered IO in the case recursive split block/blk-core.c | 54 ++++++++++++++++++++++++------------- block/blk-merge.c | 60 +++++++++++++++++++++++++++--------------- block/blk-throttle.c | 2 +- block/blk.h | 3 ++- drivers/md/md-linear.c | 14 +++------- drivers/md/raid0.c | 20 ++++++-------- drivers/md/raid1.c | 35 ++++++++++-------------- drivers/md/raid10.c | 53 ++++++++++++++++--------------------- drivers/md/raid10.h | 1 + drivers/md/raid5.c | 12 +++++---- include/linux/bio.h | 2 ++ 11 files changed, 135 insertions(+), 121 deletions(-) -- 2.39.2
