> Hi Daejun,
> 1. It is not compatible with "F2FS_OPTION(sbi).active_logs == 2".
> 2. Once has_enough_free_secs is false, F2FS cannot restore to multi-node
> sections even after has_enough_free_secs becomes true and the filesystem
> is unmounted and remounted. This seems unreasonable.

Hi Yongpeng Yang,

1. Yes, I will modify it so that it only applies when active_log is 6.
2. This technique is effective when utilization is high. Therefore, in my 
scenario, I assumed that only heavy users would use this option. So I assumed 
that the free section would not be sufficiently secured even after that.
Futhermore, if a new section is allocated to deactivate a single node whenever 
there is free space, then soon again insufficient free space may occur, 
resulting in more unnecessary GC.

Thanks,
Daejun


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