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SubjectRe: [PATCH v3] f2fs: warn on when fsck flag is set
On 08/11, 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.

Can we add an error history and expose it in sysfs?

>
> Signed-off-by: Yangtao Li <frank.li@vivo.com>
> ---
> v3:
> -Remove extra parentheses
> v2:
> -Convert to WARN_ON
> -One more blank
> fs/f2fs/f2fs.h | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
> index 67faa43cc141..0d08e31214a3 100644
> --- a/fs/f2fs/f2fs.h
> +++ b/fs/f2fs/f2fs.h
> @@ -33,7 +33,7 @@
> #else
> #define f2fs_bug_on(sbi, condition) \
> do { \
> - if (WARN_ON(condition)) \
> + if (condition) \
> set_sbi_flag(sbi, SBI_NEED_FSCK); \
> } while (0)
> #endif
> @@ -1999,6 +1999,8 @@ 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(type == SBI_NEED_FSCK);
> +
> set_bit(type, &sbi->s_flag);
> }
>
> --
> 2.32.0

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