Re: [PATCH v2 1/6] maple_tree: convert mas_prealloc_calc() to take in a maple write state

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* Sidhartha Kumar <sidhartha.kumar@xxxxxxxxxx> [250221 11:36]:
> In a subsequent patch, mas_prealloc_calc() will need to access fields only
> in the ma_wr_state. Convert the function to take in a ma_wr_state and
> modify all callers. There is no functional change.
> 
> Signed-off-by: Sidhartha Kumar <sidhartha.kumar@xxxxxxxxxx>

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

> ---
>  lib/maple_tree.c | 16 ++++++++--------
>  1 file changed, 8 insertions(+), 8 deletions(-)
> 
> diff --git a/lib/maple_tree.c b/lib/maple_tree.c
> index 42c65974a56c..0410e13a099e 100644
> --- a/lib/maple_tree.c
> +++ b/lib/maple_tree.c
> @@ -4144,13 +4144,14 @@ static inline void mas_wr_prealloc_setup(struct ma_wr_state *wr_mas)
>  /**
>   * mas_prealloc_calc() - Calculate number of nodes needed for a
>   * given store oepration
> - * @mas: The maple state
> + * @wr_mas: The maple write state
>   * @entry: The entry to store into the tree
>   *
>   * Return: Number of nodes required for preallocation.
>   */
> -static inline int mas_prealloc_calc(struct ma_state *mas, void *entry)
> +static inline int mas_prealloc_calc(struct ma_wr_state *wr_mas, void *entry)
>  {
> +	struct ma_state *mas = wr_mas->mas;
>  	int ret = mas_mt_height(mas) * 3 + 1;
>  
>  	switch (mas->store_type) {
> @@ -4247,16 +4248,15 @@ static inline enum store_type mas_wr_store_type(struct ma_wr_state *wr_mas)
>   */
>  static inline void mas_wr_preallocate(struct ma_wr_state *wr_mas, void *entry)
>  {
> -	struct ma_state *mas = wr_mas->mas;
>  	int request;
>  
>  	mas_wr_prealloc_setup(wr_mas);
> -	mas->store_type = mas_wr_store_type(wr_mas);
> -	request = mas_prealloc_calc(mas, entry);
> +	wr_mas->mas->store_type = mas_wr_store_type(wr_mas);
> +	request = mas_prealloc_calc(wr_mas, entry);
>  	if (!request)
>  		return;
>  
> -	mas_node_count(mas, request);
> +	mas_node_count(wr_mas->mas, request);
>  }
>  
>  /**
> @@ -5401,7 +5401,7 @@ void *mas_store(struct ma_state *mas, void *entry)
>  		return wr_mas.content;
>  	}
>  
> -	request = mas_prealloc_calc(mas, entry);
> +	request = mas_prealloc_calc(&wr_mas, entry);
>  	if (!request)
>  		goto store;
>  
> @@ -5498,7 +5498,7 @@ int mas_preallocate(struct ma_state *mas, void *entry, gfp_t gfp)
>  
>  	mas_wr_prealloc_setup(&wr_mas);
>  	mas->store_type = mas_wr_store_type(&wr_mas);
> -	request = mas_prealloc_calc(mas, entry);
> +	request = mas_prealloc_calc(&wr_mas, entry);
>  	if (!request)
>  		return ret;
>  
> -- 
> 2.43.0
> 




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