Re: [PATCH 2/2] btrfs: tree-checker: Remove comprehensive root owner check

Nikolay Borisov
2019-04-03T14:22:19Z

On 3.04.19 г. 14:59 ч., Qu Wenruo wrote:
> Commit 1ba98d086fe3 ("Btrfs: detect corruption when non-root leaf has
> zero item") introduced comprehensive root owner checker.
>
> However it's pretty expensive tree search to locate the owner root,
> especially when it get reused by mandatory read and write time
> tree-checker.
>
> This patch will remove that check, and completely rely on owner based
> empty leaf check, which is much faster and still works fine for most
> case.
>
> And since we skip the old root owner check, now write time tree check
> can be merged with btrfs_check_leaf_full().
>
> Signed-off-by: Qu Wenruo <wqu@suse.com>

Reviewed-by: Nikolay Borisov <nborisov@suse.com>