[GIT PULL] md-6.19-20251230

Hi Jens,

Please consider pulling the following changes into your block-6.19 branch.

This pull request contains:

- Fix null-pointer dereference in raid5 sysfs group_thread_cnt store
  (Tuo Li)
- Fix possible mempool corruption during raid1 raid_disks update via
  sysfs (FengWei Shih)
- Fix logical_block_size configuration being overwritten during
  super_1_validate() (Li Nan)
- Fix forward incompatibility with configurable logical block size:
  arrays assembled on new kernels could not be assembled on kernels
  <=6.18 due to non-zero reserved pad rejection (Li Nan)
- Fix static checker warning about iterator not incremented (Li Nan)

Thanks,
Kuai

The following changes since commit 1ddb815fdfd45613c32e9bd1f7137428f298e541:

  block: rnbd-clt: Fix signedness bug in init_dev() (2025-12-20 12:56:48 -0700)

are available in the Git repository at:

  [email protected]:pub/scm/linux/kernel/git/mdraid/linux.git tags/md-6.19-20251231

for you to fetch changes up to a4166f1c4893a9a620507255b9d1ccab44fab189:

  md: Fix forward incompatibility from configurable logical block size (2025-12-27 10:14:07 +0800)

----------------------------------------------------------------
FengWei Shih (1):
      md: suspend array while updating raid_disks via sysfs

Li Nan (3):
      md: Fix static checker warning in analyze_sbs
      md: Fix logical_block_size configuration being overwritten
      md: Fix forward incompatibility from configurable logical block size

Tuo Li (1):
      md/raid5: fix possible null-pointer dereferences in raid5_store_group_thread_cnt()

 drivers/md/md.c    | 61 ++++++++++++++++++++++++++++++++++++++++++++++++++-----------
 drivers/md/raid5.c | 10 ++++++----
 2 files changed, 56 insertions(+), 15 deletions(-)