From: Yu Kuai <yukuai3@xxxxxxxxxx> Changes in v3: - add patch 1,2 to cleanup bio_issue; - add patch 3,4 to fix missing processing for split bio first; - bypass zoned device in patch 14; Changes in v2: - export a new helper bio_submit_split_bioset() instead of export bio_submit_split() directly; - don't set no merge flag in the new helper; - add patch 7 and patch 10; - add patch 8 to skip bio checks for resubmitting split bio; patch 1,2 cleanup bio_issue; patch 3,4 to fix missing processing for split bio; patch 5 export a bio split helper; patch 6-12 unify bio split code; path 13,14 convert the helper to insert split bio to the head of current bio list; patch 15 is a follow cleanup for raid0; This set is just test for raid5 for now, see details in patch 9; Yu Kuai (15): block: cleanup bio_issue block: add QUEUE_FLAG_BIO_ISSUE md: fix mssing blktrace bio split events blk-crypto: fix missing processing for split bio block: factor out a helper bio_submit_split_bioset() md/raid0: convert raid0_handle_discard() to use bio_submit_split_bioset() md/raid1: convert to use bio_submit_split_bioset() md/raid10: add a new r10bio flag R10BIO_Returned md/raid10: convert read/write to use bio_submit_split_bioset() md/raid5: convert to use bio_submit_split_bioset() md/md-linear: convert to use bio_submit_split_bioset() blk-crypto: convert to use bio_submit_split_bioset() block: skip unnecessary checks for split bio block: fix disordered IO in the case recursive split md/raid0: convert raid0_make_request() to use bio_submit_split_bioset() block/bio.c | 2 +- block/blk-cgroup.h | 5 ++- block/blk-core.c | 35 +++++++++++++++++---- block/blk-crypto-fallback.c | 15 +++------ block/blk-iolatency.c | 15 +++------ block/blk-merge.c | 63 ++++++++++++++++++++++++------------- block/blk-mq-debugfs.c | 1 + block/blk-throttle.c | 2 +- block/blk.h | 45 ++------------------------ drivers/md/md-linear.c | 11 ++----- drivers/md/raid0.c | 30 ++++++------------ drivers/md/raid1.c | 38 ++++++++-------------- drivers/md/raid1.h | 4 ++- drivers/md/raid10.c | 54 ++++++++++++++----------------- drivers/md/raid10.h | 2 ++ drivers/md/raid5.c | 10 +++--- include/linux/blk_types.h | 7 ++--- include/linux/blkdev.h | 3 ++ 18 files changed, 152 insertions(+), 190 deletions(-) -- 2.39.2