[GIT PULL] md-7.2-20260623

[GIT PULL] md-7.2-20260623

[Yu Kuai]

Hi Jens,

Please consider pulling the following changes into your block-7.2
branch.

This pull request contains:

Bug Fixes:
- Fix raid1 writes_pending and barrier reference leaks on write failures.
  (Abd-Alrhman Masalkhi)
- Fix raid10 writes_pending leak on write request failures.
  (Abd-Alrhman Masalkhi)
- Fix raid10 writes_pending and barrier reference leaks on discard failures.
  (Abd-Alrhman Masalkhi)
- Fix raid1 REQ_NOWAIT handling while waiting for behind writes.
  (Abd-Alrhman Masalkhi)
- Fix raid1 r1_bio leak when a REQ_NOWAIT retry would block.
  (Abd-Alrhman Masalkhi)
- Fix raid1 read-balance head_position data race. (Chen Cheng)
- Fix raid5 stripe batch bm_seq wraparound comparison. (Chen Cheng)
- Fix raid5 stripe batch state snapshot KCSAN noise. (Chen Cheng)
- Fix raid5 R5_Overlap races while breaking stripe batches. (Chen Cheng)

Improvements:
- Add raid5 discard IO accounting. (Yu Kuai)
- Always convert raid5 llbitmap bits for discard. (Yu Kuai)

Cleanups:
- Simplify raid1_write_request() error handling. (Abd-Alrhman Masalkhi)

Thanks,
Kuai

---

The following changes since commit d5b58fbb2fd7ac25fcd7e1c14730f998a90b0322:

  block: respect iov_iter::nofault flag in bio_iov_iter_bounce_write() (2026-06-16 14:48:35 -0600)

are available in the Git repository at:

  https://git.kernel.org/pub/scm/linux/kernel/git/mdraid/linux.git md-7.2

for you to fetch changes up to 55b77337bdd088c77461588e5ec094421b89911b:

  md/raid5: avoid R5_Overlap races while breaking stripe batches (2026-06-23 09:44:11 +0800)

----------------------------------------------------------------
Abd-Alrhman Masalkhi (6):
      md/raid1: fix writes_pending and barrier reference leaks on write failures
      md/raid10: fix writes_pending leak on write request failures
      md/raid10: fix writes_pending and barrier reference leaks on discard failures
      md/raid1: simplify raid1_write_request() error handling
      md/raid1: honor REQ_NOWAIT when waiting for behind writes
      md/raid1: free r1_bio when REQ_NOWAIT is set and read would block on retry

Chen Cheng (4):
      md/raid1: protect head_position for read balance
      md/raid5: let stripe batch bm_seq comparison wrap-safe
      md/raid5: use stripe state snapshot in break_stripe_batch_list()
      md/raid5: avoid R5_Overlap races while breaking stripe batches

Yu Kuai (3):
      md/raid5: account discard IO
      md/raid5: validate discard support at request time
      md/raid5: always convert llbitmap bits for discard

 drivers/md/md-bitmap.c   |   9 +++-
 drivers/md/md-bitmap.h   |   2 +-
 drivers/md/md-llbitmap.c |  13 +++--
 drivers/md/md.c          |   2 +-
 drivers/md/raid1.c       |  99 ++++++++++++++++++++---------------
 drivers/md/raid10.c      |  28 +++++++---
 drivers/md/raid5.c       | 131 +++++++++++++++++++++++++++++------------------
 drivers/md/raid5.h       |   1 +
 8 files changed, 178 insertions(+), 107 deletions(-)

Re: [GIT PULL] md-7.2-20260623

[Jens Axboe]

On 6/23/26 3:03 AM, Yu Kuai wrote:
> Hi Jens,
> 
> Please consider pulling the following changes into your block-7.2
> branch.
> 
> This pull request contains:
> 
> Bug Fixes:
> - Fix raid1 writes_pending and barrier reference leaks on write failures.
>   (Abd-Alrhman Masalkhi)
> - Fix raid10 writes_pending leak on write request failures.
>   (Abd-Alrhman Masalkhi)
> - Fix raid10 writes_pending and barrier reference leaks on discard failures.
>   (Abd-Alrhman Masalkhi)
> - Fix raid1 REQ_NOWAIT handling while waiting for behind writes.
>   (Abd-Alrhman Masalkhi)
> - Fix raid1 r1_bio leak when a REQ_NOWAIT retry would block.
>   (Abd-Alrhman Masalkhi)
> - Fix raid1 read-balance head_position data race. (Chen Cheng)
> - Fix raid5 stripe batch bm_seq wraparound comparison. (Chen Cheng)
> - Fix raid5 stripe batch state snapshot KCSAN noise. (Chen Cheng)
> - Fix raid5 R5_Overlap races while breaking stripe batches. (Chen Cheng)
> 
> Improvements:
> - Add raid5 discard IO accounting. (Yu Kuai)
> - Always convert raid5 llbitmap bits for discard. (Yu Kuai)
> 
> Cleanups:
> - Simplify raid1_write_request() error handling. (Abd-Alrhman Masalkhi)

Pulled, thanks.

-- 
Jens Axboe