linux-kernel - Re: [PATCH] f2fs: warn on when fsck flag is set

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Date:   Wed, 11 Aug 2021 20:50:07 +0800
From:   Chao Yu <chao@...nel.org>
To:     Yangtao Li <frank.li@...o.com>, jaegeuk@...nel.org
Cc:     linux-f2fs-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] f2fs: warn on when fsck flag is set

On 2021/8/11 18:16, Yangtao Li wrote:
> SBI_NEED_FSCK is an indicator that fsck.f2fs needs to be triggered,
> this flag is set in too many places. For some scenes that are not very
> reproducible, adding stack information will help locate the problem.
> 
> Signed-off-by: Yangtao Li <frank.li@...o.com>
> ---
>   fs/f2fs/f2fs.h | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
> index 67faa43cc141..7e185446d2df 100644
> --- a/fs/f2fs/f2fs.h
> +++ b/fs/f2fs/f2fs.h
> @@ -1999,6 +1999,7 @@ static inline bool is_sbi_flag_set(struct f2fs_sb_info *sbi, unsigned int type)
>   
>   static inline void set_sbi_flag(struct f2fs_sb_info *sbi, unsigned int type)
>   {
> +	WARN_ON_ONCE(type ==  SBI_NEED_FSCK);

One more blank character.

>   	set_bit(type, &sbi->s_flag);
>   }
>   
>