[PATCH v2 03/14] btrfs: fix search when deleting a RAID stripe-extent

From: Johannes Thumshirn
Date: Tue Jan 07 2025 - 07:48:45 EST


From: Johannes Thumshirn <johannes.thumshirn@xxxxxxx>

Only pick the previous slot, when btrfs_search_slot() returned '1'.

Signed-off-by: Johannes Thumshirn <johannes.thumshirn@xxxxxxx>
---
fs/btrfs/raid-stripe-tree.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/fs/btrfs/raid-stripe-tree.c b/fs/btrfs/raid-stripe-tree.c
index 5c6224ed3eda53a11a41bffdf6c789fbd6d3a503..0c4d218a99d4aaea5da6c39624e20e77758a89d3 100644
--- a/fs/btrfs/raid-stripe-tree.c
+++ b/fs/btrfs/raid-stripe-tree.c
@@ -89,8 +89,12 @@ int btrfs_delete_raid_extent(struct btrfs_trans_handle *trans, u64 start, u64 le
if (ret < 0)
break;

- if (path->slots[0] == btrfs_header_nritems(path->nodes[0]))
- path->slots[0]--;
+ if (ret == 1) {
+ ret = 0;
+ if (path->slots[0] ==
+ btrfs_header_nritems(path->nodes[0]))
+ path->slots[0]--;
+ }

leaf = path->nodes[0];
slot = path->slots[0];

--
2.43.0