On 21.09.2018 10:20, Qu Wenruo wrote:
> Commit 581c1760415c ("btrfs: Validate child tree block's level and first
> key") has made tree block level check mandatory.
>
> So if tree block level doesn't match, we won't get a valid extent
> buffer.
> The extra WARN_ON() check can be removed completely.
>
> Signed-off-by: Qu Wenruo <wqu@xxxxxxxx>
> ---
> Changelog:
> v2:
> Added tags.
Nope you didn't :)
> ---
> fs/btrfs/relocation.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
> index 94aa148ccde6..a554e7861b6e 100644
> --- a/fs/btrfs/relocation.c
> +++ b/fs/btrfs/relocation.c
> @@ -2911,7 +2911,6 @@ static int get_tree_block_key(struct btrfs_fs_info *fs_info,
> free_extent_buffer(eb);
> return -EIO;
> }
> - WARN_ON(btrfs_header_level(eb) != block->level);
> if (block->level == 0)
> btrfs_item_key_to_cpu(eb, &block->key, 0);
> else
>
