lkml.org 
[lkml]   [2025]   [Sep]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Subject[PATCH RFC v3 00/15] block: fix disordered IO in the case recursive split
Date
From: Yu Kuai <yukuai3@huawei.com>

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


\
 
 \ /
  Last update: 2025-09-01 05:41    [from the cache]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and my Meterkast|Read the blog