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

From: Johannes Thumshirn
Date: Wed Jul 31 2024 - 16:43:36 EST


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@xxxxxxxxxx

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

---
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@xxxxxxxxxx>