Re: [PATCH 00/16] f2fs: introduce flash-friendly file system

From: Namjae Jeon
Date: Wed Oct 10 2012 - 23:15:05 EST


2012/10/10 Jaegeuk Kim <jaegeuk.kim@xxxxxxxxxxx>:

>>
>> I mean that every volume is placed inside any partition (MTD or GPT). Every partition begins from any
>> physical sector. So, as I can understand, f2fs volume can begin from physical sector that is laid
>> inside physical erase block. Thereby, in such case of formating the f2fs's operation units will be
>> unaligned in relation of physical erase blocks, from my point of view. Maybe, I misunderstand
>> something but it can lead to additional FTL operations and performance degradation, from my point of
>> view.
>
> I think mkfs already calculates the offset to align that.
I think this answer is not what he want.
If you don't use partition table such as dos partition table or gpt, I
think that it is possible to align using mkfs.
But If we should consider partition table space in storage, I don't
understand how it could be align using mkfs.

Thanks.
> Thanks,
>
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