[PATCH v2] btrfs: tree-checker: fix misleading root drop_level error message

From: ZhengYuan Huang

Date: Wed Mar 11 2026 - 20:33:46 EST


Fix tree-checker error message to report "invalid root drop_level"
instead of the misleading "invalid root level".

Fixes: 259ee7754b67 ("btrfs: tree-checker: Add ROOT_ITEM check")
Signed-off-by: ZhengYuan Huang <gality369@xxxxxxxxx>
---
[CHANGELOG]
v2:
- Split out the error message fix from the previous patch, as requested
during review.
---
fs/btrfs/tree-checker.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/btrfs/tree-checker.c b/fs/btrfs/tree-checker.c
index 1e052c3303b3..a8c568b10432 100644
--- a/fs/btrfs/tree-checker.c
+++ b/fs/btrfs/tree-checker.c
@@ -1256,7 +1256,7 @@ static int check_root_item(struct extent_buffer *leaf, struct btrfs_key *key,
}
if (unlikely(btrfs_root_drop_level(&ri) >= BTRFS_MAX_LEVEL)) {
generic_err(leaf, slot,
- "invalid root level, have %u expect [0, %u]",
+ "invalid root drop_level, have %u expect [0, %u]",
btrfs_root_drop_level(&ri), BTRFS_MAX_LEVEL - 1);
return -EUCLEAN;
}
--
2.43.0