linux-kernel - Re: [PATCH] f2fs: change value of recovery to bool

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Message-ID: <YRsDKWcghjEXr1Ro@google.com>
Date:   Mon, 16 Aug 2021 17:30:33 -0700
From:   Jaegeuk Kim <jaegeuk@...nel.org>
To:     Yangtao Li <frank.li@...o.com>
Cc:     chao@...nel.org, linux-f2fs-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] f2fs: change value of recovery to bool

Hmm, I don't see a great benefit of this patch. Do we have a chance to use
integer to get more specifics of the recovery reason in future?

On 08/16, Yangtao Li wrote:
> Recovery has only two values, 0 and 1, let's change it to bool type.
> 
> Signed-off-by: Yangtao Li <frank.li@...o.com>
> ---
>  fs/f2fs/super.c | 11 ++++++-----
>  1 file changed, 6 insertions(+), 5 deletions(-)
> 
> diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
> index 8fecd3050ccd..98727e04d271 100644
> --- a/fs/f2fs/super.c
> +++ b/fs/f2fs/super.c
> @@ -3541,7 +3541,7 @@ static int init_blkz_info(struct f2fs_sb_info *sbi, int devi)
>   */
>  static int read_raw_super_block(struct f2fs_sb_info *sbi,
>  			struct f2fs_super_block **raw_super,
> -			int *valid_super_block, int *recovery)
> +			int *valid_super_block, bool *recovery)
>  {
>  	struct super_block *sb = sbi->sb;
>  	int block;
> @@ -3559,7 +3559,7 @@ static int read_raw_super_block(struct f2fs_sb_info *sbi,
>  			f2fs_err(sbi, "Unable to read %dth superblock",
>  				 block + 1);
>  			err = -EIO;
> -			*recovery = 1;
> +			*recovery = true;
>  			continue;
>  		}
>  
> @@ -3569,7 +3569,7 @@ static int read_raw_super_block(struct f2fs_sb_info *sbi,
>  			f2fs_err(sbi, "Can't find valid F2FS filesystem in %dth superblock",
>  				 block + 1);
>  			brelse(bh);
> -			*recovery = 1;
> +			*recovery = true;
>  			continue;
>  		}
>  
> @@ -3784,15 +3784,16 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
>  	int err;
>  	bool skip_recovery = false, need_fsck = false;
>  	char *options = NULL;
> -	int recovery, i, valid_super_block;
> +	int i, valid_super_block;
>  	struct curseg_info *seg_i;
>  	int retry_cnt = 1;
> +	bool recovery;
>  
>  try_onemore:
>  	err = -EINVAL;
>  	raw_super = NULL;
>  	valid_super_block = -1;
> -	recovery = 0;
> +	recovery = false;
>  
>  	/* allocate memory for f2fs-specific super block info */
>  	sbi = kzalloc(sizeof(struct f2fs_sb_info), GFP_KERNEL);
> -- 
> 2.32.0