[PATCH v2 00/12] Fix bio chain related issues

[Stephen Zhang]

zhangshida <starzhangzsd at gmail.com> 于2025年11月28日周五 16:32写道：
>
> From: Shida Zhang <zhangshida at kylinos.cn>
>
> Hi all,
>
> While investigating another problem [mentioned in v1], we identified
> some buggy code in the bio chain handling logic. This series addresses
> those issues and performs related code cleanup.
>
> Patches 1-4 fix incorrect usage of bio_chain_endio().
> Patches 5-12 clean up repetitive code patterns in bio chain handling.
>
> v2:
> - Added fix for bcache.
> - Added BUG_ON() in bio_chain_endio().
> - Enhanced commit messages for each patch
>
> v1:
> https://lore.kernel.org/all/20251121081748.1443507-1-zhangshida@kylinos.cn/
>
>
> Shida Zhang (12):
>   block: fix incorrect logic in bio_chain_endio
>   block: prevent race condition on bi_status in __bio_chain_endio
>   md: bcache: fix improper use of bi_end_io
>   block: prohibit calls to bio_chain_endio
>   block: export bio_chain_and_submit
>   gfs2: Replace the repetitive bio chaining code patterns
>   xfs: Replace the repetitive bio chaining code patterns
>   block: Replace the repetitive bio chaining code patterns
>   fs/ntfs3: Replace the repetitive bio chaining code patterns
>   zram: Replace the repetitive bio chaining code patterns
>   nvdimm: Replace the repetitive bio chaining code patterns
>   nvmet: use bio_chain_and_submit to simplify bio chaining
>
>  block/bio.c                       | 15 ++++++++++++---
>  drivers/block/zram/zram_drv.c     |  3 +--
>  drivers/md/bcache/request.c       |  6 +++---
>  drivers/nvdimm/nd_virtio.c        |  3 +--
>  drivers/nvme/target/io-cmd-bdev.c |  3 +--
>  fs/gfs2/lops.c                    |  3 +--
>  fs/ntfs3/fsntfs.c                 | 12 ++----------
>  fs/squashfs/block.c               |  3 +--
>  fs/xfs/xfs_bio_io.c               |  3 +--
>  fs/xfs/xfs_buf.c                  |  3 +--
>  fs/xfs/xfs_log.c                  |  3 +--
>  11 files changed, 25 insertions(+), 32 deletions(-)
>
> --
> 2.34.1
>

Apologies, I missed the 'h' in the email address when CC'ing
hsiangkao at linux.alibaba.com.

Thanks,
Shida