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Date: Thu, 11 Oct 2012 12:14:58 +0900
Message-ID: <CAKYAXd_6MheUVRm7HVofXVp-HWStZNVw2GCqXNfKukxbJ5rG5g@mail.gmail.com>
Subject: Re: [PATCH 00/16] f2fs: introduce flash-friendly file system
From: Namjae Jeon <linkinjeon@gmail.com>
To: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Cc: Vyacheslav Dubeyko <slava@dubeyko.com>,
        Marco Stornelli <marco.stornelli@gmail.com>,
        Jaegeuk Kim <jaegeuk.kim@gmail.com>, Al Viro <viro@zeniv.linux.org.uk>,
        tytso@mit.edu, gregkh@linuxfoundation.org,
        linux-kernel@vger.kernel.org, chur.lee@samsung.com,
        cm224.lee@samsung.com, jooyoung.hwang@samsung.com,
        linux-fsdevel@vger.kernel.org
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2012/10/10 Jaegeuk Kim <jaegeuk.kim@samsung.com>:

>>
>> 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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