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SubjectRe: [PATCH] f2fs: add missing doc for fault injection sysfs
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On 2022/12/15 22:14, Yangtao Li wrote:
> Hi Chao,
>
>> -What: /sys/fs/f2fs/<disk>/gc_mode
>> -Date: October 2022
>> -Contact: "Yangtao Li" <frank.li@vivo.com>
>> -Description: Show the current gc_mode as a string.
>> - This is a read-only entry.
>
>> -What: /sys/fs/f2fs/<disk>/discard_urgent_util
>> -Date: November 2022
>> -Contact: "Yangtao Li" <frank.li@vivo.com>
>> -Description: When space utilization exceeds this, do background DISCARD aggressively.
>> - Does DISCARD forcibly in a period of given min_discard_issue_time when the number
>> - of discards is not 0 and set discard granularity to 1.
>> - Default: 80
>> -
>> -What: /sys/fs/f2fs/<disk>/hot_data_age_threshold
>> -Date: November 2022
>> -Contact: "Ping Xiong" <xiongping1@xiaomi.com>
>> -Description: When DATA SEPARATION is on, it controls the age threshold to indicate
>> - the data blocks as hot. By default it was initialized as 262144 blocks
>> - (equals to 1GB).
>> -
>> -What: /sys/fs/f2fs/<disk>/warm_data_age_threshold
>> -Date: November 2022
>> -Contact: "Ping Xiong" <xiongping1@xiaomi.com>
>> -Description: When DATA SEPARATION is on, it controls the age threshold to indicate
>> - the data blocks as warm. By default it was initialized as 2621440 blocks
>> - (equals to 10GB).
>
> Why delete other node descriptions, mistake?

Oh, my bad, I missed to handle merge confilct correctly, will
fix in v2.

Thanks,

>
> Thx,
> Yangtao

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