Re: [PATCH v2 0/4] md/raid1,raid10: fix write-path reference leaks and clean up error handling

在 2026/6/14 2:28, Abd-Alrhman Masalkhi 写道:

> Hi,
>
> This series fixes several write-path failure handling issues in raid1 and
> raid10 and then follows up with a cleanup of raid1_write_request().
>
> The first two patches fix writes_pending leaks caused by failure paths
> that complete bios without reaching the normal write completion path.
> The raid1 fix also addresses a barrier reference leak when
> wait_blocked_rdev() fails after wait_barrier() succeeds.
>
> The third patch fixes additional writes_pending and barrier reference
> leaks in raid10 discard handling.
>
> The final patch simplifies raid1_write_request() error handling.
>
> Patches:
> 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
>
> Changes in v2:
>   - fix writes_pending leaks in addition to the barrier reference leaks
>   - add raid10 fixes for analogous write and discard failure paths
>   - add a follow-up cleanup patch to simplify raid1_write_request()
>   - simplifies raid1_write_request() error handling.
>   - Link v1: https://lore.kernel.org/linux-raid/[email protected]/
>
> Thanks,
> Abd-Alrhman
>
> Abd-Alrhman Masalkhi (4):
>    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
>
>   drivers/md/raid1.c  | 74 ++++++++++++++++++++++++---------------------
>   drivers/md/raid10.c | 28 ++++++++++++-----
>   2 files changed, 60 insertions(+), 42 deletions(-)
Applied to md-7.2

-- 
Thanks,
Kuai