On 2020/4/4 0:12, Jaegeuk Kim wrote:
> This patch introduces a way to attach REQ_META/FUA explicitly
> to all the data writes given temperature.
> 
> -> attach REQ_FUA to Hot Data writes
> 
> -> attach REQ_FUA to Hot|Warm Data writes
> 
> -> attach REQ_FUA to Hot|Warm|Cold Data writes
> 
> -> attach REQ_FUA to Hot|Warm|Cold Data writes as well as
>           REQ_META to Hot Data writes

Out of curiosity, what scenario it is used for?

Thanks,


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