XO-1 to switch back to JFFS2

John Watlington wad at laptop.org
Wed Apr 4 22:57:02 EDT 2012

On Apr 4, 2012, at 10:37 PM, Martin Langhoff wrote:

> On Wed, Apr 4, 2012 at 5:33 PM, Daniel Drake <dsd at laptop.org> wrote:
>> Comments/objections?

JFFS2 worked well enough when those laptops were built and tested!

> It's sad that this space (raw NAND filesystems) isn't seeing more
> attention from filesystems people.  But it seems a pretty established
> trend, now that FTLs have gotten better and their cost has for all
> practical purposes disappeared.

I started looking at ubifs expecting to at least have the chance to use
it on larger raw devices.  The nine-month technology cycle time of the
NAND Flash industry just doesn't fit well with the larger SoC design time.

The notable point, IMO, is the growing acceptance of FTLs everywhere,
through SSDs.


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