[Buildroot] Creating JFFS2 rootfs to SPI flash, and mounting it from kernel

Carlo Caione carlo.caione at gmail.com
Mon Mar 18 08:00:34 UTC 2013


On Mon, Mar 18, 2013 at 7:45 AM, Juha Lumme <juha.lumme at gmail.com> wrote:
> Hi,
>
> Sorry for asking not directly buildroot question, but I thought this forum
> would have many members who knows answer to this one.
> In my project, I'm trying to migrate my file system to spi flash from memory
> card, and I seem to have created filesystem image successfully. I want my
> rootfs to be read-only to avoid corruption issues, and only have application
> files reside on a writable file system.
[cut]

For this point you can take a look to overlayfs:

http://lwn.net/Articles/447650/
http://wiki.openwrt.org/doc/techref/flash.layout

Best,

--
Carlo Caione


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