Re: f2fs: set *_data_age_threshold according to user_block_count

[Yangtao Li]

Hi qixiaoyu,

> The block age here refers to total data blocks allocated of filesystem between two consecutive updates.

Yes, you are right.

> So, it has nothing to do with storage size.

But I think that the total data blocks allocated of filesystem between two consecutive updates
has something to do with the storage size. For example, for a 60M f2fs image, the lifetime_write_kbytes
will hardly reach 10G, or even 1G.

Thx,
Yangtao