[PATCH v3 0/5] btrfs: fix relocation on RAID stripe-tree filesystems

[Johannes Thumshirn <jth@kernel.org>]

When doing relocation on RST backed filesystems, there is a possibility of
a scatter-gather list corruption.

See patch 4 for details.

CI Link: https://github.com/btrfs/linux/actions/runs/10143804038

---
Changes in v3:
- Re-base onto for-next with folio->page conversion applied.
- Collected reviews.
- Link to v2: https://lore.kernel.org/r/20240730-debug-v2-0-38e6607ecba6@kernel.org

Changes in v2:
- Change RST lookup error message to debug
- Link to v1: https://lore.kernel.org/r/20240729-debug-v1-0-f0b3d78d9438@kernel.org

---
Johannes Thumshirn (5):
      btrfs: don't dump stripe-tree on lookup error
      btrfs: rename btrfs_io_stripe::is_scrub to rst_search_commit_root
      btrfs: set rst_search_commit_root in case of relocation
      btrfs: don't readahead the relocation inode on RST
      btrfs: change RST lookup error message to debug

 fs/btrfs/bio.c              |  3 ++-
 fs/btrfs/raid-stripe-tree.c |  8 +++-----
 fs/btrfs/relocation.c       | 14 ++++++++++----
 fs/btrfs/scrub.c            |  2 +-
 fs/btrfs/volumes.h          |  2 +-
 5 files changed, 17 insertions(+), 12 deletions(-)
---
base-commit: 27d58e7d992b58ae7091270dc179e1dcbd6561f8
change-id: 20240726-debug-f1fe805ea37b

Best regards,
-- 
Johannes Thumshirn <jth@kernel.org>