[GIT PULL] md-6.9 20240305

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Hi Jens, 

Please consider pulling the following fixes for md-6.9 on top of your 
for-6.9/block branch. This set fixes two issues:

1. dmraid regression since 6.7 kernels. This issue was initially 
  reported in [1]. This set of fix has been reviewed and tested by
  md and dm folks. 

2. raid5 hang since 6.7 kernel, reported in [2]. We haven't got a 
  better fix for this issue yet. This revert is a workaround. It has
  been applied to 6.7 stable kernels [3], and proved to be affective.
  We will look more into this issue for a better fix. 

Note: Some recent fixes were shipped via the md-6.8 branch, so the 
md-6.9 branch doesn't have all the fixes. I tested that there is no 
conflict between these fixes and those shipped earlier. I run the 
tests with upstream kernel and changes in block tree and md tree 
(v6.8-rc7 + for-6.9/block + md-6.9).

Thanks,
Song


[1] https://lore.kernel.org/linux-raid/e5e8afe2-e9a8-49a2-5ab0-958d4065c55e@xxxxxxxxxx/
[2] https://lore.kernel.org/linux-raid/20240123005700.9302-1-dan@xxxxxxxx/
[3] 87165c64fe1a in linux-6.7.y branch. 


The following changes since commit 268283244c0f018dec8bf4a9c69ce50684561f46:

  nbd: use the atomic queue limits API in nbd_set_size (2024-03-01 09:08:22 -0700)

are available in the Git repository at:

  https://git.kernel.org/pub/scm/linux/kernel/git/song/md.git tags/md-6.9-20240305

for you to fetch changes up to 3a889fdce7e8927a7d81d11ca3d26608b3be1c31:

  Merge branch 'dmraid-fix-6.9' into md-6.9 (2024-03-05 12:53:55 -0800)

----------------------------------------------------------------
Song Liu (2):
      Revert "Revert "md/raid5: Wait for MD_SB_CHANGE_PENDING in raid5d""
      Merge branch 'dmraid-fix-6.9' into md-6.9

Yu Kuai (9):
      md: don't clear MD_RECOVERY_FROZEN for new dm-raid until resume
      md: export helpers to stop sync_thread
      md: export helper md_is_rdwr()
      md: add a new helper reshape_interrupted()
      dm-raid: really frozen sync_thread during suspend
      md/dm-raid: don't call md_reap_sync_thread() directly
      dm-raid: add a new helper prepare_suspend() in md_personality
      dm-raid456, md/raid456: fix a deadlock for dm-raid456 while io concurrent with reshape
      dm-raid: fix lockdep waring in "pers->hot_add_disk"

 drivers/md/dm-raid.c | 93 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++---------------------
 drivers/md/md.c      | 73 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++----------------
 drivers/md/md.h      | 38 +++++++++++++++++++++++++++++++++++++-
 drivers/md/raid5.c   | 44 ++++++++++++++++++++++++++++++++++++++++++--
 4 files changed, 208 insertions(+), 40 deletions(-)






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