* Wei Yang <richard.weiyang@xxxxxxxxx> [240913 02:31]:
> For a root node, mte_parent_slot() return 0, this exactly fits the
> following !p_slot check.
This sounds right, I will have to look deeper at it though.
Thanks,
Liam
>
> So we can remove the special handling for root node.
>
> Signed-off-by: Wei Yang <richard.weiyang@xxxxxxxxx>
> CC: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx>
> ---
> lib/maple_tree.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/lib/maple_tree.c b/lib/maple_tree.c
> index 85bd651e7770..b5dde94cc7a9 100644
> --- a/lib/maple_tree.c
> +++ b/lib/maple_tree.c
> @@ -2100,9 +2100,7 @@ static inline bool mas_prev_sibling(struct ma_state *mas)
> {
> unsigned int p_slot = mte_parent_slot(mas->node);
>
> - if (mte_is_root(mas->node))
> - return false;
> -
> + /* For root node, p_slot is set to 0 by mte_parent_slot(). */
> if (!p_slot)
> return false;
>
> --
> 2.34.1
>
