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SubjectRe: [dm-devel] [PATCH RFC v1 00/01] dm-lightnvm introduction
On Tue, Mar 25, 2014 at 4:56 AM, Matias Bjorling <> wrote:
> On 03/24/2014 08:08 PM, David Lang wrote:
>> On Fri, 21 Mar 2014, Matias Bjorling wrote:
>>> On 03/21/2014 02:06 AM, Joe Thornber wrote:
>>>> Hi Matias,
>>>> This looks really interesting and I'd love to get involved. Do you
>>>> have any recommendations for what hardware I should pick up?
>>> Hi Joe,
>>> The most easily available platform is OpenSSD
>>> ( It's a little old, but still very
>>> functional. When there's a good firmware implementation, I think it will
>>> be easier for the custom SSD vendor's to jump on board with their own
>>> firmware.
>> Is this something that would make sense to use for accessing the NAND
>> flash that's being used on routers nowdays? Talking with the OpenWRT
>> folks, they are having trouble supporting those devices because the
>> flash may contain defects and squashfs doesn't work in such an
>> environment. This appears to be the one remaining problem preventing a
>> lot of new routers from working.
>> If this can work as a shim layer between the hardware and the filesystem
>> for OpenWRT, you would gain a very large userbase rather quickly.
> It's possible and would make sense. However, I'm not sure that its the
> best choice.
> From what I can see, OpenWRT routers expose their flash through mtd.
> Couldn't UBIFS be a better choice for this, instead of squashfs?

Using ubiblock you can also run squashfs ontop of UBI.
Hopefully it will be merged in 3.15.


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