Modularzing USB

C. Scott Ananian cscott at laptop.org
Thu Jun 5 11:42:51 EDT 2008


On Thu, Jun 5, 2008 at 10:33 AM, Chris Ball <cjb at laptop.org> wrote:
> Hi Deepak,
>
>   > So I want to make sure I understand what you need from my end:
>
>   > A git tree kernel that has been configured to modularize the whole
>   > USB stack along with an initramfs that has the proper bits for
>   > usb-storage? Seems easy enough, so I'm thinking I'm missing
>   > something...
>
> Nope, that's everything.  We may even be building the initramfs
> ourselves -- the build system needs to be changed to build

We are.  Don't worry about the initramfs.

> the initrd
> at kernel build time, and I think Scott volunteered to do that, although
> he might appreciate some help with it.  :)

While we're compiling a wishlist, Scott would like FUSE modules (for
various nefarious purposes), squashfs (for USB updates using
olpc-update), and "some additional flash filesystem other than jffs2".
 We'll always use jffs2 for /boot, but UBIFS has been the frontrunner
for / and /home; I don't know whether UBI is compatible with Mitch's
partition scheme, though.  dwmw2 and wmb, could you duke that out and
let me know who wins?  I think logfs is probably the best bet if UBIFS
is unworkable; dwmw2 could you advise?
 --scott

-- 
                         ( http://cscott.net/ )



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