2012/10/11, Changman Lee <cm224.lee@xxxxxxxxx>: > 2012년 10월 11일 목요일에 Namjae Jeon<linkinjeon@xxxxxxxxx>님이 작성: >> 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. > > We can know the physical starting sector address of any partitions from > hdio geometry information got by ioctl. If so, first block and end block of partition are useless ? Thanks. > >>> Thanks, >>> >>> -- >>> To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" > in >>> the body of a message to majordomo@xxxxxxxxxxxxxxx >>> More majordomo info at http://vger.kernel.org/majordomo-info.html >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-kernel" >> in >> the body of a message to majordomo@xxxxxxxxxxxxxxx >> More majordomo info at http://vger.kernel.org/majordomo-info.html >> Please read the FAQ at http://www.tux.org/lkml/ >> > -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
