[00/12] md: refacotor and some fixes related to sync_thread

Message

Yu Kuai June 3, 2024, 12:58 p.m. UTC

Changes from RFC:
 - fix some typos;
 - add patch 7 to prevent some mdadm tests failure;
 - add patch 12 to fix BUG_ON() panic by mdadm test 07revert-grow;

Yu Kuai (12):
  md: rearrange recovery_flags
  md: add a new enum type sync_action
  md: add new helpers for sync_action
  md: factor out helper to start reshape from action_store()
  md: replace sysfs api sync_action with new helpers
  md: remove parameter check_seq for stop_sync_thread()
  md: don't fail action_store() if sync_thread is not registered
  md: use new helers in md_do_sync()
  md: replace last_sync_action with new enum type
  md: factor out helpers for different sync_action in md_do_sync()
  md: pass in max_sectors for pers->sync_request()
  md/raid5: avoid BUG_ON() while continue reshape after reassembling

 drivers/md/dm-raid.c |   2 +-
 drivers/md/md.c      | 437 ++++++++++++++++++++++++++-----------------
 drivers/md/md.h      | 124 +++++++++---
 drivers/md/raid1.c   |   5 +-
 drivers/md/raid10.c  |   8 +-
 drivers/md/raid5.c   |  23 ++-
 6 files changed, 388 insertions(+), 211 deletions(-)