Re: [PATCH] maple_tree: use mas_next_slot() directly

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* Wei Yang <richard.weiyang@xxxxxxxxx> [241124 21:42]:
> The loop condition makes sure (mas.last < max), so we can directly use
> mas_next_slot() here.
> 
> Since no other use of mas_next_entry(), it is removed.
> 
> Signed-off-by: Wei Yang <richard.weiyang@xxxxxxxxx>
> CC: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx>
> CC: Sidhartha Kumar <sidhartha.kumar@xxxxxxxxxx>
> CC: Lorenzo Stoakes <lorenzo.stoakes@xxxxxxxxxx>


Reviewed-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx>

> ---
>  lib/maple_tree.c | 25 +------------------------
>  1 file changed, 1 insertion(+), 24 deletions(-)
> 
> diff --git a/lib/maple_tree.c b/lib/maple_tree.c
> index b67dae356182..7efb1520f9bd 100644
> --- a/lib/maple_tree.c
> +++ b/lib/maple_tree.c
> @@ -4733,29 +4733,6 @@ static void *mas_next_slot(struct ma_state *mas, unsigned long max, bool empty)
>  	return entry;
>  }
>  
> -/*
> - * mas_next_entry() - Internal function to get the next entry.
> - * @mas: The maple state
> - * @limit: The maximum range start.
> - *
> - * Set the @mas->node to the next entry and the range_start to
> - * the beginning value for the entry.  Does not check beyond @limit.
> - * Sets @mas->index and @mas->last to the range, Does not update @mas->index and
> - * @mas->last on overflow.
> - * Restarts on dead nodes.
> - *
> - * Return: the next entry or %NULL.
> - */
> -static inline void *mas_next_entry(struct ma_state *mas, unsigned long limit)
> -{
> -	if (mas->last >= limit) {
> -		mas->status = ma_overflow;
> -		return NULL;
> -	}
> -
> -	return mas_next_slot(mas, limit, false);
> -}
> -
>  /*
>   * mas_rev_awalk() - Internal function.  Reverse allocation walk.  Find the
>   * highest gap address of a given size in a given node and descend.
> @@ -6919,7 +6896,7 @@ void *mt_find(struct maple_tree *mt, unsigned long *index, unsigned long max)
>  		goto unlock;
>  
>  	while (mas_is_active(&mas) && (mas.last < max)) {
> -		entry = mas_next_entry(&mas, max);
> +		entry = mas_next_slot(&mas, max, false);
>  		if (likely(entry && !xa_is_zero(entry)))
>  			break;
>  	}
> -- 
> 2.34.1
> 




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