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@gmail.com>
---
[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

在 2026/3/12 11:03, ZhengYuan Huang 写道:
> 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@gmail.com>

Reviewed-by: Qu Wenruo <wqu@suse.com>

Thanks,
Qu

> ---
> [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;
>   	}