linux-kernel - Re: [PATCH 2/8] ext4: remove unused parameter group in ext4_mb_choose_next_group

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Date: Tue, 2 Jan 2024 14:01:43 +0100
From: Jan Kara <jack@...e.cz>
To: Kemeng Shi <shikemeng@...weicloud.com>
Cc: tytso@....edu, adilger.kernel@...ger.ca, linux-ext4@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/8] ext4: remove unused parameter group in
 ext4_mb_choose_next_group_*()

On Sun 26-11-23 00:11:37, Kemeng Shi wrote:
> Remove unused parameter group in ext4_mb_choose_next_group_*().
> 
> Signed-off-by: Kemeng Shi <shikemeng@...weicloud.com>

Makes sense. Feel free to add:

Reviewed-by: Jan Kara <jack@...e.cz>

								Honza

> ---
>  fs/ext4/mballoc.c | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
> index 9f9b8dd06..765b62729 100644
> --- a/fs/ext4/mballoc.c
> +++ b/fs/ext4/mballoc.c
> @@ -870,7 +870,7 @@ mb_update_avg_fragment_size(struct super_block *sb, struct ext4_group_info *grp)
>   * cr level needs an update.
>   */
>  static void ext4_mb_choose_next_group_p2_aligned(struct ext4_allocation_context *ac,
> -			enum criteria *new_cr, ext4_group_t *group, ext4_group_t ngroups)
> +			enum criteria *new_cr, ext4_group_t *group)
>  {
>  	struct ext4_sb_info *sbi = EXT4_SB(ac->ac_sb);
>  	struct ext4_group_info *iter;
> @@ -944,7 +944,7 @@ ext4_mb_find_good_group_avg_frag_lists(struct ext4_allocation_context *ac, int o
>   * order. Updates *new_cr if cr level needs an update.
>   */
>  static void ext4_mb_choose_next_group_goal_fast(struct ext4_allocation_context *ac,
> -		enum criteria *new_cr, ext4_group_t *group, ext4_group_t ngroups)
> +		enum criteria *new_cr, ext4_group_t *group)
>  {
>  	struct ext4_sb_info *sbi = EXT4_SB(ac->ac_sb);
>  	struct ext4_group_info *grp = NULL;
> @@ -989,7 +989,7 @@ static void ext4_mb_choose_next_group_goal_fast(struct ext4_allocation_context *
>   * much and fall to CR_GOAL_LEN_SLOW in that case.
>   */
>  static void ext4_mb_choose_next_group_best_avail(struct ext4_allocation_context *ac,
> -		enum criteria *new_cr, ext4_group_t *group, ext4_group_t ngroups)
> +		enum criteria *new_cr, ext4_group_t *group)
>  {
>  	struct ext4_sb_info *sbi = EXT4_SB(ac->ac_sb);
>  	struct ext4_group_info *grp = NULL;
> @@ -1124,11 +1124,11 @@ static void ext4_mb_choose_next_group(struct ext4_allocation_context *ac,
>  	}
>  
>  	if (*new_cr == CR_POWER2_ALIGNED) {
> -		ext4_mb_choose_next_group_p2_aligned(ac, new_cr, group, ngroups);
> +		ext4_mb_choose_next_group_p2_aligned(ac, new_cr, group);
>  	} else if (*new_cr == CR_GOAL_LEN_FAST) {
> -		ext4_mb_choose_next_group_goal_fast(ac, new_cr, group, ngroups);
> +		ext4_mb_choose_next_group_goal_fast(ac, new_cr, group);
>  	} else if (*new_cr == CR_BEST_AVAIL_LEN) {
> -		ext4_mb_choose_next_group_best_avail(ac, new_cr, group, ngroups);
> +		ext4_mb_choose_next_group_best_avail(ac, new_cr, group);
>  	} else {
>  		/*
>  		 * TODO: For CR=2, we can arrange groups in an rb tree sorted by
> -- 
> 2.30.0
> 
> 
-- 
Jan Kara <jack@...e.com>
SUSE Labs, CR