linux-kernel - Re: [PATCH 2/5] jbd2: remove unused feature macros

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Message-ID: <20230313105254.czim7srj6ivcxhzy@quack3>
Date:   Mon, 13 Mar 2023 11:52:54 +0100
From:   Jan Kara <jack@...e.cz>
To:     Zhihao Cheng <chengzhihao1@...wei.com>
Cc:     tytso@....edu, adilger.kernel@...ger.ca, jack@...e.com,
        linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org,
        yi.zhang@...wei.com
Subject: Re: [PATCH 2/5] jbd2: remove unused feature macros

On Fri 10-03-23 20:52:03, Zhihao Cheng wrote:
> From: Zhang Yi <yi.zhang@...wei.com>
> 
> JBD2_HAS_[IN|RO_]COMPAT_FEATURE macros are no longer used, just remove
> them.
> 
> Signed-off-by: Zhang Yi <yi.zhang@...wei.com>
> Signed-off-by: Zhihao Cheng <chengzhihao1@...wei.com>
> ---
>  include/linux/jbd2.h | 11 -----------
>  1 file changed, 11 deletions(-)

Nice. Feel free to add:

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

								Honza

> 
> diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
> index 5962072a4b19..ad7bb6861143 100644
> --- a/include/linux/jbd2.h
> +++ b/include/linux/jbd2.h
> @@ -274,17 +274,6 @@ typedef struct journal_superblock_s
>  /* 0x0400 */
>  } journal_superblock_t;
>  
> -/* Use the jbd2_{has,set,clear}_feature_* helpers; these will be removed */
> -#define JBD2_HAS_COMPAT_FEATURE(j,mask)					\
> -	((j)->j_format_version >= 2 &&					\
> -	 ((j)->j_superblock->s_feature_compat & cpu_to_be32((mask))))
> -#define JBD2_HAS_RO_COMPAT_FEATURE(j,mask)				\
> -	((j)->j_format_version >= 2 &&					\
> -	 ((j)->j_superblock->s_feature_ro_compat & cpu_to_be32((mask))))
> -#define JBD2_HAS_INCOMPAT_FEATURE(j,mask)				\
> -	((j)->j_format_version >= 2 &&					\
> -	 ((j)->j_superblock->s_feature_incompat & cpu_to_be32((mask))))
> -
>  #define JBD2_FEATURE_COMPAT_CHECKSUM		0x00000001
>  
>  #define JBD2_FEATURE_INCOMPAT_REVOKE		0x00000001
> -- 
> 2.31.1
> 
-- 
Jan Kara <jack@...e.com>
SUSE Labs, CR