Ideal NAND flashes for JFFS2 or YAFFS

[JiSheng Zhang]

2009/9/9 Bill Gatliff <bgat at billgatliff.com>:
> Justin Treon wrote:
>>
>> For NAND I think there is a simple flow chart to pick your filing system.
>>
>> Do you have a partition bigger than 256 MBytes?
>> If YES: Use UBIFS (@128 MB you can argue the point)
>> If NO: Do you have a LOT of RAM?
>>        If YES: Use YAFFS2 (It is fast, but RAM hungry)
>>        If NO: Use JFFS2
>>
>
> With 128MB and/or 1GB partitions, does YAFFS2 use more memory than UBIFS?
>  It does seem to me that YAFFS2 mounts a tad faster, though I haven't broken
> out the stopwatch or anything (yet).

Once UBI2 implemented, ubi attach + ubifs mount will be faster than
yaffs2. Currently it seems that yaffs2 faster.

B.R,
jisheng