[GIT PULL] md-7.1-20260407

[GIT PULL] md-7.1-20260407

[Yu Kuai]

Hi Jens,

Please consider pulling the following changes into your for-7.1/block branch.

This pull request contains:

Bug Fixes:
- avoid a sysfs deadlock when clearing array state (Yu Kuai)
- validate raid5 journal payloads before reading metadata (Junrui Luo)
- fall back to the correct bitmap operations after version mismatches (Yu Kuai)
- serialize overlapping writes on writemostly raid1 disks (Xiao Ni)
- wake raid456 reshape waiters before suspend (Yu Kuai)
- prevent retry_aligned_read() from triggering soft lockups (Chia-Ming Chang)

Improvements:
- switch raid0 strip zone and devlist allocations to kvmalloc helpers (Gregory Price)
- track clean unwritten stripes for proactive RAID5 parity building (Yu Kuai)
- speed up initial llbitmap sync with write_zeroes_unmap support (Yu Kuai)

Cleanups:
- remove the unused static md workqueue definition (Abd-Alrhman Masalkhi)

Thanks,
Kuai

---

The following changes since commit 8b155f2e4a91f3507951e6ace4b413688ac28b96:

  block: remove unused BVEC_ITER_ALL_INIT (2026-04-04 08:10:37 -0600)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/mdraid/linux.git tags/md-7.1-20260407

for you to fetch changes up to 7f9f7c697474268d9ef9479df3ddfe7cdcfbbffc:

  md/raid5: fix soft lockup in retry_aligned_read() (2026-04-07 15:13:52 +0800)

----------------------------------------------------------------
Abd-Alrhman Masalkhi (1):
      md: remove unused static md_wq workqueue

Chia-Ming Chang (1):
      md/raid5: fix soft lockup in retry_aligned_read()

Gregory Price (1):
      md/raid0: use kvzalloc/kvfree for strip_zone and devlist allocations

Junrui Luo (1):
      md/raid5: validate payload size before accessing journal metadata

Xiao Ni (1):
      md/raid1: serialize overlap io for writemostly disk

Yu Kuai (5):
      md: fix array_state=clear sysfs deadlock
      md: add fallback to correct bitmap_ops on version mismatch
      md/md-llbitmap: add CleanUnwritten state for RAID-5 proactive parity building
      md/md-llbitmap: optimize initial sync with write_zeroes_unmap support
      md: wake raid456 reshape waiters before suspend

 drivers/md/md-llbitmap.c | 202 ++++++++++++++++++++++++++++++++++++++++++++---
 drivers/md/md.c          | 139 +++++++++++++++++++++++++++++---
 drivers/md/md.h          |   5 +-
 drivers/md/raid0.c       |  18 ++---
 drivers/md/raid1.c       |  47 ++++++++---
 drivers/md/raid5-cache.c |  48 +++++++----
 drivers/md/raid5.c       |   8 +-
 7 files changed, 405 insertions(+), 62 deletions(-)

Re: [GIT PULL] md-7.1-20260407

[Jens Axboe]

On 4/7/26 11:05 PM, Yu Kuai wrote:
> Hi Jens,
> 
> Please consider pulling the following changes into your for-7.1/block branch.
> 
> This pull request contains:
> 
> Bug Fixes:
> - avoid a sysfs deadlock when clearing array state (Yu Kuai)
> - validate raid5 journal payloads before reading metadata (Junrui Luo)
> - fall back to the correct bitmap operations after version mismatches (Yu Kuai)
> - serialize overlapping writes on writemostly raid1 disks (Xiao Ni)
> - wake raid456 reshape waiters before suspend (Yu Kuai)
> - prevent retry_aligned_read() from triggering soft lockups (Chia-Ming Chang)
> 
> Improvements:
> - switch raid0 strip zone and devlist allocations to kvmalloc helpers (Gregory Price)
> - track clean unwritten stripes for proactive RAID5 parity building (Yu Kuai)
> - speed up initial llbitmap sync with write_zeroes_unmap support (Yu Kuai)
> 
> Cleanups:
> - remove the unused static md workqueue definition (Abd-Alrhman Masalkhi)

Pulled, thanks.

-- 
Jens Axboe